2.4L - DTCS P0325 To P0645

• DTC Troubleshooting
  • P0325: Knock Sensor 1 Circuit
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P032F: Combustion Engine Producing Insufficient Torque
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0335: Crankshaft Position Sensor Circuit
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0339: Crankshaft Position Sensor Intermittent
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0340: Camshaft Position Sensor Circuit - Bank 1 Sensor 1
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0344: Camshaft Position Sensor Intermittent - Bank 1 Sensor 1
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0420: Catalyst System Efficiency Below Threshold Bank 1
    • Theory Of Operation
    • Diagnostic Overview - Catalyst System
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0440: General EVAP System Failure
    • Notes
    • Theory Of Operation
    • Component Functional Description - Evaporative System Integrity Module (ESIM) And Switch
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0441: EVAP Purge System Performance
    • Notes
    • Theory Of Operation
    • Component Functional Description - Purge Solenoid
    • Component Functional Description - Fuel Tank Pressure Sensor
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0443: EVAP Purge 1 Control Circuit
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0452: EVAP Pressure Switch Stuck Closed
    • Notes
    • Diagnostic Overview - ESIM Switch Stuck Closed (P0452) Diagnostic
    • Component Functional Description - Evaporative System Integrity Module (ESIM) And Switch
    • Component Functional Description - Purge Solenoid
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0455: EVAP System Large Leak
    • Theory Of Operation
    • Component Functional Description - Evaporative System Integrity Module (ESIM) And Switch
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0456: EVAP System Small Leak
    • Theory Of Operation
    • Component Functional Description - Evaporative System Integrity Module (ESIM) And Switch
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0457: EVAP System - Loose Fuel Cap
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0461: Fuel Level Sensor 1 Performance
    • Notes
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0462: Fuel Level Sensor 1 Circuit Low
    • Notes
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0463: Fuel Level Sensor 1 Circuit High
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0480-00: Cooling Fan 1 Control Circuit
    • Notes
    • Theory Of Operation
    • Component Functional Description And Diagnostic Overview - Radiator Cooling Fan Relay
    • Diagnostic Overview - Radiator Cooling Fan Control
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0480-00: Cooling Fan 1 Control Circuit (Heavy Duty Cooling)
    • Notes
    • Theory Of Operation
    • Component Functional Description And Diagnostic Overview - Radiator Cooling Fan Relay
    • Diagnostic Overview - Radiator Cooling Fan Control
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0481-00: Cooling Fan 2 Control Circuit
    • Notes
    • Theory Of Operation
    • Component Functional Description And Diagnostic Overview - Radiator Cooling Fan Relay
    • Diagnostic Overview - Radiator Cooling Fan Control
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0481-00: Cooling Fan 2 Control Circuit (Heavy Duty Cooling)
    • Notes
    • Theory Of Operation
    • Component Functional Description And Diagnostic Overview - Radiator Cooling Fan Relay
    • Diagnostic Overview - Radiator Cooling Fan Control
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0501: Vehicle Speed Sensor 1 Performance
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0506: Idle Speed Performance Lower Than Expected
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0507: Idle Speed Performance Higher Than Expected
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P050B: Cold Start Ignition Timing Performance
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0513: Invalid Skim Key
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0520: Engine Oil Pressure Sensor Circuit
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0521: Engine Oil Pressure Sensor Performance
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0522: Engine Oil Pressure Sensor Circuit Low
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0523: Engine Oil Pressure Sensor Circuit High
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0532: A/C Pressure Sensor Circuit Low
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0533: A/C Pressure Sensor Circuit High
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0562: Battery/System Voltage Low
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0563: Battery/System Voltage High
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0571: Brake Switch 1 Performance
    • Notes
    • Component Functional Description - Brake Switch
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0572: Brake Switch 1 Stuck On
    • Notes
    • Component Functional Description - Brake Switch
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0573: Brake Switch 1 Stuck Off
    • Notes
    • Component Functional Description - Brake Switch
    • When Monitored And Set Conditions
    • Diagnostic Test
  • P0585: Speed Control Switch 1/2 Correlation
    • Notes
    • Component Functional Description-Multiplex (MUX) Switch
    • Diagnostic Overview - S/C Switch
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0600: Serial Communication Link
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test.
  • P0601: Internal Memory Checksum Invalid
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0602: Control Module Programming Error/Not Programmed
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0606: Internal Control Processor
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P060B: Etc A/D Ground Performance
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P060D: Etc Level 2 App Performance
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P060E: Etc Level 2 TPS Performance
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P060F: Etc Level 2 ECT Performance
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0610: Ecu Vehicle Options Mismatch
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P061A: Level 2 Torque Performance
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P061C: Etc Level 2 Rpm Performance
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0622: Generator Field Control Circuit/Open
    • Notes
    • Theory Of Operation
    • When Monitored And Set Conditions
    • Diagnostic Test
  • P0627: Fuel Pump Control Circuit/Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P062C: Etc Level 2 Mph Performance
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0630: VIN Not Programmed In Pcm
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0632: Odometer Not Programmed In Pcm
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0633: Skim Secret Key Not Stored In Pcm
    • Theory Of Operation
    • Diagnostic Overview - Skim Secret Key Not Stored In Pcm (P0633)
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P063A: Generator Voltage Sense Circuit
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0642: Sensor Reference Voltage 1 Circuit Low
    • Notes
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0643: Sensor Reference Voltage 1 Circuit High
    • Notes
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • P0645: A/C Control Circuit/Open
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test