Engine Control Module (ECM) - Diagnostic Trouble Codes And Associated Procedures - 4 Of 14

• ECM-250A: Long-Term Fuel Trim. Upper Limit (B5244S6; 2003-2006)
  • Reading diagnostic trouble code (DTC) information ECM-250A
  • Upper limit
• ECM-2600: Fuel Pressure Sensor. Signal Too High (B5244S; B5244S6; 2003-2006)
  • Diagnostic trouble code (DTC) information ECM-2600
  • Signal too high
    • Checking
      • Checking components and connections
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-2600: Fuel Pressure Sensor. Signal Too Low (B5244S; B5244S6; 2003-2006)
  • Diagnostic trouble code (DTC) information ECM-2600
  • Signal too low
    • Checking
      • Checking components and connections
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-260A: Fuel Pressure Sensor. Faulty Signal (B5244S; B5244S6; 2003-2006)
  • Diagnostic trouble code (DTC) information ECM-260A
  • Faulty signal
    • Checking
      • Checking components and connections
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-260A: Long-Term Fuel Trim. Lower Limit (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Lower limit
    • Checking
      • Checking fuel injection system
      • Checking mass air flow (MAF) sensor
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-260A: Long-Term Fuel Trim. Lower Limit (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Lower limit
• ECM-260A: Long-Term Fuel Trim. Lower Limit (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Lower limit
• ECM-260A: Long-Term Fuel Trim. Lower Limit (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Lower limit
• ECM-260A: Long-Term Fuel Trim. Upper Limit (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Upper limit
    • Checking
      • Checking fuel injection system
      • Checking the fuel injection system
    • Verification
      • Verification
    • Information
      • Fault-tracing information
    • Checking the fuel pressure and residual pressure in the workshop
      • Choosing a method for taking a reading
      • Measuring the line pressure
      • Checking the residual pressure
• ECM-260A: Long-Term Fuel Trim. Upper Limit (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Upper limit
• ECM-260A: Long-Term Fuel Trim. Upper Limit (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Upper limit
• ECM-260A: Long-Term Fuel Trim. Upper Limit (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Upper limit
• ECM-2610: Fuel Pump Control Module. Signal Too High (B5244S; B5244S6; 2003-2006)
  • Diagnostic trouble code (DTC) information ECM-2610
  • Signal too high
    • Checking
      • Checking components and connections
    • Information
      • Fault-tracing information
• ECM-2610: Fuel Pump Control Module. Signal Too Low (B5244S; B5244S6; 2003-2004)
  • Diagnostic trouble code (DTC) information ECM-2610
  • Signal too low
    • Checking
      • Checking components and connections
    • Information
      • Fault-tracing information
• ECM-261A: Fuel Pressure System. Faulty Signal (B5244S; B5244S6; 2003-2004)
  • Diagnostic trouble code (DTC) information ECM-261A
  • Faulty signal
    • Checking
      • Checking the fuel pump unit and the fuel pressure sensor
    • Information
      • Fault-tracing information
    • Level sensor, fuel tank, right-hand/fuel tank, replacing
• ECM-261A: Fuel Pressure System. Faulty Signal (B5244S; 2005-2006)
  • Diagnostic trouble code (DTC) information ECM-261A
  • Faulty signal
    • Checking
      • Checking the fuel pressure sensor
      • Checking components
      • Checking components and wiring
    • Verification with manometer
      • Verification with manometer
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-261A: Fuel Pressure System. Faulty Signal (B5244S6; 2005-2006)
  • Diagnostic trouble code (DTC) information ECM-261A
  • Faulty signal
    • Checking
      • Checking the fuel pressure sensor
      • Checking components
      • Checking components and wiring
    • Verification with manometer
      • Verification with manometer
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-261A: Fuel Pressure System. Signal Too High (B5244S; B5244S6; 2005-2006)
  • Diagnostic trouble code (DTC) information ECM-261A
  • Signal too high
    • Checking
      • Checking the fuel pressure sensor
      • Checking components
      • Checking components and wiring
    • Verification with manometer
      • Verification with manometer
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-261A: Fuel Pressure System. Signal Too Low (B5244S; 2005-2006)
  • Diagnostic trouble code (DTC) information ECM-261A
  • Signal too low
    • Checking
      • Checking the fuel pressure sensor
      • Checking regulation of the fuel pressure
      • Checking components
      • Checking components and wiring
    • Information
      • Fault-tracing information
    • Verification with manometer
      • Verification with manometer
    • Verification
      • Verification
• ECM-261A: Fuel Pressure System. Signal Too Low (B5244S6; 2005-2006)
  • Diagnostic trouble code (DTC) information ECM-261A
  • Signal too low
    • Checking
      • Checking the fuel pressure sensor
      • Checking regulation of the fuel pressure
      • Checking components
      • Checking components and wiring
    • Information
      • Fault-tracing information
    • Verification with manometer
      • Verification with manometer
    • Verification
      • Verification
• ECM-261A: Long-Term Fuel Trim. Lower Limit (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Lower limit
    • Checking
      • Checking fuel injection system
      • Checking mass air flow (MAF) sensor
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-261A: Long-Term Fuel Trim. Lower Limit (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Lower limit
• ECM-261A: Long-Term Fuel Trim. Lower Limit (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Lower limit
• ECM-261A: Long-Term Fuel Trim. Lower Limit (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Lower limit
• ECM-261A: Long-Term Fuel Trim. Upper Limit (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Upper limit
    • Checking
      • Checking for air leakage in the intake system
      • Checking the fuel injection system
    • Checking the fuel pressure and residual pressure in the workshop
      • Choosing a method for taking a reading
      • Measuring the line pressure
      • Checking the residual pressure
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-261A: Long-Term Fuel Trim. Upper Limit (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Upper limit
• ECM-261A: Long-Term Fuel Trim. Upper Limit (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Upper limit
• ECM-261A: Long-Term Fuel Trim. Upper Limit (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Upper limit
• ECM-262A: Long-Term Fuel Trim. Lower Limit (B5204T5; 2004)
  • Diagnostic trouble code (DTC) information
  • Lower limit
    • Checking
      • Checking fuel injection system
      • Checking mass air flow (MAF) sensor
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-262A: Long-Term Fuel Trim. Lower Limit (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Lower limit
• ECM-262A: Long-Term Fuel Trim. Lower Limit (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Lower limit
• ECM-262A: Long-Term Fuel Trim. Lower Limit (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Lower limit
• ECM-262A: Long-Term Fuel Trim. Lower Limit (B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Lower limit
    • Checking
      • Checking fuel injection system
      • Checking mass air flow (MAF) sensor
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-262A: Long-Term Fuel Trim. Upper Limit (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Upper limit
    • Checking
      • Checking fuel injection system
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-262A: Long-Term Fuel Trim. Upper Limit (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Upper limit
• ECM-262A: Long-Term Fuel Trim. Upper Limit (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Upper limit
• ECM-262A: Long-Term Fuel Trim. Upper Limit (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Upper limit
• ECM-268A: Long-Term Fuel Trim. Faulty Signal (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
    • Fault-tracing information
      • Information
• ECM-268A: Long-Term Fuel Trim. Faulty Signal (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-268A: Long-Term Fuel Trim. Faulty Signal (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-268A: Long-Term Fuel Trim. Faulty Signal (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-268A: Long-Term Fuel Trim. Lower Limit (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-268A: Long-Term Fuel Trim. Lower Limit (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-268A: Long-Term Fuel Trim. Lower Limit (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-268A: Long-Term Fuel Trim. Lower Limit (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-268A: Long-Term Fuel Trim. Upper Limit (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-268A: Long-Term Fuel Trim. Upper Limit (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-268A: Long-Term Fuel Trim. Upper Limit (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-268A: Long-Term Fuel Trim. Upper Limit (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-2720: Engine Coolant Temperature (ECT) Sensor. Faulty Signal (B5204T5; B5244T5; B5254T2; B5254T4; 2005)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
    • Checking
      • Checking the component
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-272D: Engine Coolant Temperature (ECT) Sensor. Signal Too Low (B5204T5; B5244T5; B5254T2; B5254T4; 2005)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
• ECM-273C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5204T5; B5244T5; B5254T2; B5254T4; 2005)
  • Diagnostic trouble code (DTC) information ECM-273C
  • Signal too high
    • Checking
      • Checking the wiring and component
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-273C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5204T5; 2007)
  • Diagnostic trouble code (DTC) information ECM-273C
  • Signal too high
    • Checking
      • Checking the component and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-273C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5244T5; B5254T2; 2007-2009)
  • Diagnostic trouble code (DTC) information ECM-273C
  • Signal too high
• ECM-273C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5254T4; 2007)
  • Diagnostic trouble code (DTC) information ECM-273C
  • Signal too high
    • Checking
      • Checking the component and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-273D: Engine Coolant Temperature (ECT) Sensor. Signal Too Low (B5204T5; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-273D
  • Signal too low
    • Checking
      • Checking the connector
      • Checking the wiring and component
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-273D: Engine Coolant Temperature (ECT) Sensor. Signal Too Low (B5244T5; B5254T2; 2005-2009)
  • Diagnostic trouble code (DTC) information ECM-273D
  • Signal too low
• ECM-2740: Engine Coolant Temperature (ECT) Sensor. Faulty Signal (B5204T5; B5254T4; 2006-2007)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
• ECM-2740: Engine Coolant Temperature (ECT) Sensor. Faulty Signal (B5244T5; B5254T2; 2006-2009)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
• ECM-274C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5204T5; B5254T4; 2006-2007)
  • Diagnostic trouble code (DTC) information ECM-274C
  • Fault-tracing
• ECM-274C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5244T5; B5254T2; 2006-2009)
  • Diagnostic trouble code (DTC) information ECM-274C
  • Fault-tracing
• ECM-274D: Engine Coolant Temperature (ECT) Sensor. Signal Too Low (B5204T5; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
• ECM-274D: Engine Coolant Temperature (ECT) Sensor. Signal Too Low (B5244T5; B5254T2; 2005-2009)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
• ECM-275C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5204T5; B5254T4; 2006-2007)
  • Diagnostic trouble code (DTC) information ECM-275C
  • Fault-tracing
    • Checking
      • Checking the status
      • Checking the component and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-275C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5244T5; B5254T2; 2006-2009)
  • Diagnostic trouble code (DTC) information ECM-275C
  • Fault-tracing
• ECM-275D: Engine Coolant Temperature (ECT) Sensor. Signal Too Low (B5204T5; B5254T4; 2006-2007)
  • Diagnostic trouble code (DTC) information ECM-275D
  • Fault-tracing
• ECM-275D: Engine Coolant Temperature (ECT) Sensor. Signal Too Low (B5244T5; B5254T2; 2006-2009)
  • Diagnostic trouble code (DTC) information ECM-275D
  • Fault-tracing
• ECM-2800: Fuel Pressure Sensor. Signal Too Low (B5204T5; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-2800
  • Signal too low
• ECM-2800: Fuel Pressure Sensor. Signal Too Low (B5244T5; B5254T2; 2005-2009)
  • Diagnostic trouble code (DTC) information ECM-2800
  • Signal too low
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal. Intermittent Fault (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Intermittent fault
    • Checking
      • Checking connectors and wiring
    • Information
      • Fault-tracing information
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal. Intermittent Fault (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Intermittent fault
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal. Intermittent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Intermittent fault
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal. Intermittent Fault (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Intermittent fault
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal. Permanent Fault (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Permanent fault
    • Checking
      • Checking connector, wiring and components
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal. Permanent Fault (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Permanent fault
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal. Permanent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Permanent fault
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal. Permanent Fault (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Permanent fault
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing. Intermittent Fault (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Intermittent fault
    • Checking
      • Checking the wiring
    • Information
      • Fault-tracing information
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing. Intermittent Fault (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Intermittent fault
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing. Intermittent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Intermittent fault
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing. Intermittent Fault (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Intermittent fault
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing. Permanent Fault (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Permanent fault
    • Checking
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing. Permanent Fault (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Permanent fault
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing. Permanent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Permanent fault
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing. Permanent Fault (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Permanent fault
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High. Intermittent Fault (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Signal too high
    • Checking
      • Air-leakage: in the exhaust system, checking
      • Checking components and wiring
      • Verification
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High. Intermittent Fault (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too high
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High. Intermittent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Signal too high
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High. Intermittent Fault (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too high
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High. Permanent Fault (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Signal too high
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High. Permanent Fault (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too high
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High. Permanent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Signal too high
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High. Permanent Fault (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too high
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low. Intermittent Fault (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Signal too low. Intermittent fault
    • Checking
      • Checking connectors and wiring
    • Information
      • Fault-tracing information
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low. Intermittent Fault (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too low. Intermittent fault
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low. Intermittent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Signal too low. Intermittent fault
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low. Intermittent Fault (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too low. Intermittent fault
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low. Permanent Fault (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Signal too low. Permanent fault
    • Checking
      • Checking connector, wiring and components
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low. Permanent Fault (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too low. Permanent fault
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low. Permanent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Signal too low. Permanent fault
• ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low. Permanent Fault (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too low. Permanent fault
• ECM-280B: Fuel Pressure Sensor. Signal Missing (B5204T5; B5244T5; B5254T2; B5254T4; 2005-2006)
  • Diagnostic trouble code (DTC) information ECM-280B
  • Signal missing / signal too low
    • Checking
      • Checking the status
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-280B: Fuel Pressure Sensor. Signal Missing (B5204T5; B5254T4; 2007)
  • Diagnostic trouble code (DTC) information ECM-280B
  • Signal missing / signal too high
    • Checking
      • Checking the status
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-280B: Fuel Pressure Sensor. Signal Missing (B5244T5; B5254T2; 2007-2009)
  • Diagnostic trouble code (DTC) information ECM-280B
  • Signal missing
• ECM-280C: Fuel Pressure Sensor. Signal Too High (B5204T5; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-280C
  • Signal too high
• ECM-280C: Fuel Pressure Sensor. Signal Too High (B5244T5; B5254T2; 2005-2009)
  • Diagnostic trouble code (DTC) information ECM-280C
  • Signal too high
• ECM-280D: Fuel Pressure Sensor. Signal Too Low (B5204T5; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-280D
  • Signal too low
• ECM-280D: Fuel Pressure Sensor. Signal Too Low (B5244T5; B5254T2; 2005-2009)
  • Diagnostic trouble code (DTC) information ECM-280D
  • Signal too low
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Faulty Signal. Intermittent Fault (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Intermittent fault
    • Information, fault no longer present
      • Fault-tracing information, fault no longer present
    • Information, fault does not recur
      • Fault-tracing information, fault does not recur
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Faulty Signal. Intermittent Fault (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Intermittent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Faulty Signal. Intermittent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Intermittent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Faulty Signal. Intermittent Fault (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Intermittent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Faulty Signal. Permanent Fault (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Permanent fault
    • Replacing the heated oxygen sensor (HO2S)
      • Replacing the heated oxygen sensor (HO2S)
    • Information
      • Fault-tracing information
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Faulty Signal. Permanent Fault (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Permanent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Faulty Signal. Permanent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Permanent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Faulty Signal. Permanent Fault (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Permanent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Missing. Intermittent Fault (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Intermittent fault
    • Checking
      • Checking wiring and connectors
    • Information
      • Fault-tracing information
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Missing. Intermittent Fault (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Intermittent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Missing. Intermittent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Intermittent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Missing. Intermittent Fault (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Intermittent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Missing. Permanent Fault (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Permanent fault
    • Checking
      • Checking the connector
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Missing. Permanent Fault (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Permanent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Missing. Permanent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Permanent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Missing. Permanent Fault (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Permanent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too High. Intermittent Fault (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Signal too high. Intermittent fault
    • Checking
      • Checking the wiring
    • Information
      • Fault-tracing information
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too High. Intermittent Fault (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too high. Intermittent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too High. Intermittent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Signal too high. Intermittent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too High. Intermittent Fault (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too high. Intermittent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too High. Permanent Fault (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Signal too high. Permanent fault
    • Checking
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too High. Permanent Fault (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too high. Permanent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too High. Permanent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Signal too high. Permanent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too High. Permanent Fault (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too high. Permanent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too Low. Intermittent Fault (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Signal too low. Intermittent fault
    • Checking
      • Checking the wiring
    • Information
      • Fault-tracing information
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too Low. Intermittent Fault (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too low. Intermittent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too Low. Intermittent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Signal too low. Intermittent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too Low. Intermittent Fault (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too low. Intermittent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too Low. Permanent Fault (B5204T5; B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Signal too low. Permanent fault
    • Checking
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too Low. Permanent Fault (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too low. Permanent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too Low. Permanent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Signal too low. Permanent fault
• ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too Low. Permanent Fault (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too low. Permanent fault
• ECM-281C: Text Message. Pressure Too High (B5204T5; 2007)
  • Diagnostic trouble code (DTC) information ECM-281C
  • Fault-tracing
    • Checking
      • Checking the fuel injection system
      • Checking the fuel pressure sensor
      • Checking components
      • Checking the component and wiring
    • Verification with manometer
      • Verification with manometer
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-281C: Text Message. Pressure Too High (B5244T5; B5254T2; 2007-2009)
  • Diagnostic trouble code (DTC) information ECM-281C
  • Fault-tracing
• ECM-281C: Text Message. Pressure Too High (B5254T4; 2007)
  • Diagnostic trouble code (DTC) information ECM-281C
  • Fault-tracing
    • Checking
      • Checking the fuel injection system
      • Checking the fuel pressure sensor
      • Checking components
      • Checking the component and wiring
    • Verification with manometer
      • Verification with manometer
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-2820: Heated Oxygen Sensor (Ho2S) Bank 1, Preheating. Faulty Signal. Intermittent Fault (B5234T3; B5244T3; 2002)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Intermittent fault
• ECM-2820: Heated Oxygen Sensor (Ho2S) Bank 1, Preheating. Faulty Signal. Permanent Fault (B5234T3; B5244T3; 2002)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Permanent fault
• ECM-2820: Heated Oxygen Sensor (Ho2S) Bank 1, Preheating. Signal Missing. Intermittent Fault (B5234T3; B5244T3; 2002)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Intermittent fault
• ECM-2820: Heated Oxygen Sensor (Ho2S) Bank 1, Preheating. Signal Missing. Permanent Fault (B5234T3; B5244T3; 2002)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Permanent fault
    • Checking
      • Checking the connector
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-2820: Heated Oxygen Sensor (Ho2S) Bank 1, Preheating. Signal Too High. Intermittent Fault (B5234T3; B5244T3; 2002)
  • Diagnostic trouble code (DTC) information
  • Signal too high. Intermittent fault
• ECM-2820: Heated Oxygen Sensor (Ho2S) Bank 1, Preheating. Signal Too High. Permanent Fault (B5234T3; B5244T3; 2002)
  • Diagnostic trouble code (DTC) information
  • Signal too high. Permanent fault
    • Checking
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-2820: Heated Oxygen Sensor (Ho2S) Bank 1, Preheating. Signal Too Low. Intermittent Fault (B5234T3; B5244T3; 2002)
  • Diagnostic trouble code (DTC) information
  • Signal too low. Intermittent fault
• ECM-2820: Heated Oxygen Sensor (Ho2S) Bank 1, Preheating. Signal Too Low. Permanent Fault (B5234T3; B5244T3; 2002)
  • Diagnostic trouble code (DTC) information
  • Signal too low. Permanent fault
    • Checking
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-2900: Fuel Pressure. Faulty Signal (B5204T5; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-2900
  • Faulty signal
• ECM-2900: Fuel Pressure. Faulty Signal (B5244T5; B5254T2; 2005-2009)
  • Diagnostic trouble code (DTC) information ECM-2900
  • Faulty signal
• ECM-290B: Fuel Pressure. Signal Missing (B5204T5; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-290B
  • Signal missing
  • Signal missing / faulty signal
    • Checking
      • Checking the diagnostic trouble codes (DTCs)
      • Checking the fuel pressure sensor
      • Checking components
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-290B: Fuel Pressure. Signal Missing (B5244T5; B5254T2; 2005-2009)
  • Diagnostic trouble code (DTC) information ECM-290B
  • Signal missing / faulty signal
• ECM-290B: Fuel Pressure. Signal Missing (B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-290B
  • Signal missing
• ECM-290C: Fuel Pressure. Signal Too High (B5204T5; B5244T5; B5254T2; B5254T4; 2005-2006)
  • Diagnostic trouble code (DTC) information ECM-290C
  • Signal too high
• ECM-290C: Fuel Pressure. Signal Too High (B5204T5; 2007)
  • Diagnostic trouble code (DTC) information ECM-290C
  • Signal too high
    • Checking
      • Checking the diagnostic trouble codes (DTCs)
      • Checking the fuel pressure sensor
      • Checking components
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-290C: Fuel Pressure. Signal Too High (B5244T5; B5254T2; 2007-2009)
  • Diagnostic trouble code (DTC) information ECM-290C
  • Signal too high
• ECM-290C: Fuel Pressure. Signal Too High (B5254T4; 2007)
  • Diagnostic trouble code (DTC) information ECM-290C
  • Signal too high
    • Checking
      • Checking the diagnostic trouble codes (DTCs)
      • Checking the fuel pressure sensor
      • Checking components
      • Checking components and wiring
    • Verification with manometer
      • Verification with manometer
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-290D: Fuel Pressure. Signal Too Low (B5204T5; 2007)
  • Diagnostic trouble code (DTC) information ECM-290D
  • Signal too low
    • Checking
      • Checking the diagnostic trouble codes (DTCs)
      • Checking the fuel pressure sensor
      • Checking regulation of the fuel pressure
      • Checking components
      • Checking components and wiring
    • Information
      • Fault-tracing information
    • Verification with manometer
      • Verification with manometer
    • Verification
      • Verification
• ECM-290D: Fuel Pressure. Signal Too Low (B5204T5; B5244T5; B5254T2; B5254T4; 2005-2006)
  • Diagnostic trouble code (DTC) information ECM-290D
  • Signal too low
• ECM-290D: Fuel Pressure. Signal Too Low (B5244T5; B5254T2; 2007-2009)
  • Diagnostic trouble code (DTC) information ECM-290D
  • Signal too low
• ECM-290D: Fuel Pressure. Signal Too Low (B5254T4; 2007)
  • Diagnostic trouble code (DTC) information ECM-290D
  • Signal too low
    • Checking
      • Checking the diagnostic trouble codes (DTCs)
      • Checking the fuel pressure sensor
      • Checking regulation of the fuel pressure
      • Checking components
      • Checking components and wiring
    • Information
      • Fault-tracing information
    • Verification with manometer
      • Verification with manometer
    • Verification
      • Verification
• ECM-291B: Fuel Pump Control Module. Signal Missing (B5204T5; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-291B
  • Signal too high/signal too low/signal missing
    • Overview
    • Checking
      • Checking the status
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-291B: Fuel Pump Control Module. Signal Missing (B5244T5; B5254T2; 2005-2009)
  • Diagnostic trouble code (DTC) information ECM-291B
  • Signal too high/signal too low/signal missing
• ECM-291B: Fuel Pump Control Module. Signal Missing (B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-291B
  • Signal too high/signal too low/signal missing
    • Checking
      • Checking the status
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-291C: Fuel Pump Control Module. Signal Too High (B5204T5; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-291C
  • Signal too high/signal too low/signal missing
• ECM-291C: Fuel Pump Control Module. Signal Too High (B5244T5; B5254T2; 2005-2009)
  • Diagnostic trouble code (DTC) information ECM-291C
  • Signal too high/signal too low/signal missing
• ECM-291C: Fuel Pump Control Module. Signal Too High (B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-291C
  • Signal too high/signal too low/signal missing
• ECM-291D: Fuel Pump Control Module. Signal Too Low (B5204T5; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-291D
  • Signal too high/signal too low/signal missing
• ECM-291D: Fuel Pump Control Module. Signal Too Low (B5244T5; B5254T2; 2005-2009)
  • Diagnostic trouble code (DTC) information ECM-291D
  • Signal too high/signal too low/signal missing
• ECM-291D: Fuel Pump Control Module. Signal Too Low (B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-291D
  • Signal too high/signal too low/signal missing
• ECM-2A00: Fuel Temperature Sensor. Faulty Signal (B5204T5; B5244T5; B5254T2; B5254T4; 2006)
  • Diagnostic trouble code (DTC) information ECM-2A00
  • Fault-tracing
• ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Faulty Signal (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information ECM-2A0A
  • Faulty signal
    • Checking
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Faulty Signal (B5254T4; 2004)
  • Diagnostic trouble code (DTC) information ECM-2A0A
  • Faulty signal
• ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Faulty Signal. Intermittent Fault (B5204T5; 2004)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Intermittent fault
    • Checking
      • Checking the wiring
    • Information
      • Fault-tracing information
• ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Faulty Signal. Intermittent Fault (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Intermittent fault
• ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Faulty Signal. Intermittent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Intermittent fault
• ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Faulty Signal. Permanent Fault (B5204T5; 2004)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Permanent fault
    • Checking
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Faulty Signal. Permanent Fault (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Permanent fault
• ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Faulty Signal. Permanent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Permanent fault
• ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Signal Missing (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information ECM-2A0A
  • Signal missing
    • Checking
      • Checking the connector
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Signal Missing (B5254T4; 2004)
  • Diagnostic trouble code (DTC) information ECM-2A0A
  • Signal missing
• ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Signal Missing. Intermittent Fault (B5204T5; 2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Intermittent fault
    • Checking
      • Checking wiring and connectors
    • Information
      • Fault-tracing information
• ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Signal Missing. Intermittent Fault (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Intermittent fault
• ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Signal Missing. Intermittent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Intermittent fault
• ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Signal Missing. Permanent Fault (B5204T5; 2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Permanent fault
    • Checking
      • Checking the connector
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information