Powertrain Diagnostic Procedures - DRIVEABILITY - NGC

• DRIVEABILITY - NGC - Symptoms
  • Symptom: INTERMITTENT CONDITION
    • Possible Causes
    • Diagnostic Procedure
  • Symptom: *CHECKING PCM POWER AND GROUND CIRCUITS
    • Possible Causes
    • Diagnostic Procedure
  • Symptom: *CHECKING RADIATOR FAN RELAY OUTPUT
    • Possible Causes
    • Diagnostic Procedure
  • Symptom: *CHECKING THE A/C RELAY OUTPUT
    • Possible Causes
    • Diagnostic Procedure
• DRIVEABILITY - NGC - Diagnostic Tests
  • P0016-Crankshaft/Camshaft Timing Misalignment
    • When Monitored and Set Condition:
      • P0016-Crankshaft/Camshaft Timing Misalignment
    • Possible Causes
    • Diagnostic Procedure
  • P0031-O2 Sensor 1/1 Heater Circuit Low; P0037-O2 Sensor 1/2 Heater Circuit Low
    • Notes
    • When Monitored and Set Condition:
      • P0031-O2 Sensor 1/1 Heater Circuit Low
      • P0037-O2 Sensor 1/2 Heater Circuit Low
    • Possible Causes
    • Diagnostic Procedure
  • P0032-O2 Sensor 1/1 Heater Circuit High P0038-O2 Sensor 1/2 Heater Circuit High
    • Notes
    • When Monitored and Set Condition:
      • P0032-O2 Sensor 1/1 Heater Circuit High
      • P0038-O2 Sensor 1/2 Heater Circuit High
    • Possible Causes
    • Diagnostic Procedure
  • P0033-Surge Valve Solenoid Circuit
    • When Monitored and Set Condition:
      • P0033-Surge Valve Solenoid Circuit
    • Possible Causes
    • Diagnostic Procedure
  • P0068-Manifold Pressure/Throttle Position Correlation
    • When Monitored and Set Condition:
      • P0068-Manifold Pressure/Throttle Position Correlation
    • Possible Causes
    • Diagnostic Procedure
  • P0071-Ambient Temp Sensor Performance
    • When Monitored and Set Condition:
      • P0071-Ambient Temp Sensor Performance
    • Possible Causes
    • Diagnostic Procedure
  • P0072-Ambient Temp Sensor Low
    • When Monitored and Set Condition:
      • P0072-Ambient Temp Sensor Low
    • Possible Causes
    • Diagnostic Procedure
  • P0073-Ambient Temp Sensor High
    • When Monitored and Set Condition:
      • P0073-Ambient Temp Sensor High
    • Possible Causes
    • Diagnostic Procedure
  • P0107-Map Sensor Low
    • When Monitored and Set Condition:
      • P0107-Map Sensor Low
    • Possible Causes
    • Diagnostic Procedure
  • P0108-Map Sensor High
    • When Monitored and Set Condition:
      • P0108-Map Sensor High
    • Possible Causes
    • Diagnostic Procedure
  • P0111-Intake Air Temperature Sensor Performance
    • When Monitored and Set Condition:
      • P0111-Intake Air Temperature Sensor Performance
    • Possible Causes
    • Diagnostic Procedure
  • P0112-Intake Air Temperature Sensor Low
    • When Monitored and Set Condition:
      • P0112-Intake Air Temperature Sensor Low
    • Possible Causes
    • Diagnostic Procedure
  • P0113-Intake Air Temperature Sensor High
    • When Monitored and Set Condition:
      • P0113-Intake Air Temperature Sensor High
    • Possible Causes
    • Diagnostic Procedure
  • P0116-Engine Coolant Temperature Performance
    • When Monitored and Set Condition:
      • P0116-Engine Coolant Temperature Performance
    • Possible Causes
    • Diagnostic Procedure
  • P0117-Engine Coolant Temperature Sensor Low
    • When Monitored and Set Condition:
      • P0117-Engine Coolant Temperature Sensor Low
    • Possible Causes
    • Diagnostic Procedure
  • P0118-Engine Coolant Temperature Sensor High
    • When Monitored and Set Condition:
      • P0118-Engine Coolant Temperature Sensor High
    • Possible Causes
    • Diagnostic Procedure
  • P0122-Throttle Position Sensor #1 Low
    • When Monitored and Set Condition:
      • P0122-Throttle Position Sensor #1 Low
    • Possible Causes
    • Diagnostic Procedure
  • P0123-Throttle Position Sensor #1 High
    • When Monitored and Set Condition:
      • P0123-Throttle Position Sensor #1 High
    • Possible Causes
    • Diagnostic Procedure
  • P0125-Insufficient Coolant Temp For Closed-Loop Fuel Control
    • When Monitored and Set Condition:
      • P0125-Insufficient Coolant Temp For Closed-Loop Fuel Control
    • Possible Causes
    • Diagnostic Procedure
  • P0128-Thermostat Rationality
    • When Monitored and Set Condition:
      • P0128-Thermostat Rationality
    • Possible Causes
    • Diagnostic Procedure
  • P0129-Barometric Pressure Out-Of-Range
    • When Monitored and Set Condition:
      • P0129-Barometric Pressure Out-Of-Range
    • Possible Causes
    • Diagnostic Procedure
  • P0131-O2 Sensor 1/1 Voltage Low; P0137-O2 Sensor 1/2 Voltage Low
    • Notes
    • When Monitored and Set Condition:
      • P0131-O2 Sensor 1/1 Voltage Low
      • P0137-O2 Sensor 1/2 Voltage Low
    • Possible Causes
    • Diagnostic Procedure
  • P0132-O2 Sensor 1/1 Voltage High; P0138-O2 Sensor 1/2 Voltage High
    • Notes
    • When Monitored and Set Condition:
      • P0132-O2 Sensor 1/1 Voltage High
      • P0138-O2 Sensor 1/2 Voltage High
    • Possible Causes
    • Diagnostic Procedure
  • P0133-O2 Sensor 1/1 Slow Response; P0139-O2 Sensor 1/2 Slow Response
    • Notes
    • When Monitored and Set Condition:
      • P0133-O2 Sensor 1/1 Slow Response
      • P0139-O2 Sensor 1/2 Slow Response
    • Possible Causes
    • Diagnostic Procedure
  • P0135-O2 Sensor 1/1 Heater Performance; P0141-O2 Sensor 1/2 Heater Performance
    • Notes
    • When Monitored and Set Condition:
      • P0135-O2 Sensor 1/1 Heater Performance
      • P0141-O2 Sensor 1/2 Heater Performance
    • Possible Causes
    • Diagnostic Procedure
  • P0171-Fuel System 1/1 Lean
    • When Monitored and Set Condition:
      • P0171-Fuel System 1/1 Lean
    • Possible Causes
    • Diagnostic Procedure
  • P0172-Fuel System 1/1 Rich
    • When Monitored and Set Condition:
      • P0172-Fuel System 1/1 Rich
    • Possible Causes
    • Diagnostic Procedure
  • P0201-Fuel Injector #1; P0202-Fuel Injector #2; P0203-Fuel Injector #3; P0204-Fuel Injector #4
    • Notes
    • When Monitored and Set Condition:
      • P0201-Fuel Injector #1
      • P0202-Fuel Injector #2
      • P0203-Fuel Injector #3
      • P0204-Fuel Injector #4
    • Possible Causes
    • Diagnostic Procedure
  • P0234-OVERBOOST Performance; P1106-BARO Solenoid Performance; P1188 Tip Sensor Performance
    • Notes
    • When Monitored and Set Condition:
      • P0234-OVERBOOST Performance
      • P1106-BARO Solenoid Performance
      • P1188 Tip Sensor Performance
    • Possible Causes
    • Diagnostic Procedure
  • P0243-WASTEGATE Solenoid Circuit
    • When Monitored and Set Condition:
      • P0243-WASTEGATE Solenoid Circuit
    • Possible Causes
    • Diagnostic Procedure
  • P0300-Multiple Cylinder Misfire; P0301-Cylinder #1 Misfire; P0302-Cylinder #2 Misfire; P0303-Cylinder #3 Misfire; P0304-Cylinder #4 Misfire
    • Notes
    • When Monitored and Set Condition:
      • P0300-Multiple Cylinder Misfire
      • P0301-Cylinder #1 Misfire
      • P0302-Cylinder #2 Misfire
      • P0303-Cylinder #3 Misfire
      • P0304-Cylinder #4 Misfire
    • Possible Causes
    • Diagnostic Procedure
  • P0315-No Crank Sensor Learned
    • When Monitored and Set Condition:
      • P0315-No Crank Sensor Learned
    • Possible Causes
    • Diagnostic Procedure
  • P0325-Knock Sensor #1 Circuit
    • When Monitored and Set Condition:
      • P0325-Knock Sensor #1 Circuit
    • Possible Causes
    • Diagnostic Procedure
  • P0335-Crankshaft Position Sensor Circuit
    • When Monitored and Set Condition:
      • P0335-Crankshaft Position Sensor Circuit
    • Possible Causes
    • Diagnostic Procedure
  • P0339-Crankshaft Position Sensor Intermittent
    • When Monitored and Set Condition:
      • P0339-Crankshaft Position Sensor Intermittent
    • Possible Causes
    • Diagnostic Procedure
  • P0340-Camshaft Position Sensor Circuit
    • When Monitored and Set Condition:
      • P0340-Camshaft Position Sensor Circuit
    • Possible Causes
    • Diagnostic Procedure
  • P0344-Camshaft Position Sensor Intermittent
    • When Monitored and Set Condition:
      • P0344-Camshaft Position Sensor Intermittent
    • Possible Causes
    • Diagnostic Procedure
  • P0420-Catalytic 1/1 Efficiency
    • When Monitored and Set Condition:
      • P0420-Catalytic 1/1 Efficiency
    • Possible Causes
    • Diagnostic Procedure
  • P0440-General EVAP System Failure
    • When Monitored and Set Condition:
      • P0440-General EVAP System Failure
    • Possible Causes
    • Diagnostic Procedure
  • P0441-EVAP Purge System Performance
    • When Monitored and Set Condition:
      • P0441-EVAP Purge System Performance
    • Possible Causes
    • Diagnostic Procedure
  • P0442-EVAP System Medium Leak; P0455-EVAP System Large Leak
    • Notes
    • When Monitored and Set Condition:
      • P0442-EVAP System Medium Leak
      • P0455-EVAP System Large Leak
    • Possible Causes
    • Diagnostic Procedure
  • P0443-EVAP Purge Solenoid Circuit
    • When Monitored and Set Condition:
      • P0443-EVAP Purge Solenoid Circuit
    • Possible Causes
    • Diagnostic Procedure
  • P0452-NVLD Pressure Switch Stuck Closed
    • When Monitored and Set Condition:
      • P0452-NVLD Pressure Switch Stuck Closed
    • Possible Causes
    • Diagnostic Procedure
  • P0453-NVLD Pressure Switch Stuck Open
    • When Monitored and Set Condition:
      • P0453-NVLD Pressure Switch Stuck Open
    • Possible Causes
    • Diagnostic Procedure
  • P0456-EVAP System Small Leak
    • When Monitored and Set Condition:
      • P0456-EVAP System Small Leak
    • Possible Causes
    • Diagnostic Procedure
  • P0457-Loose Fuel Cap
    • When Monitored and Set Condition:
      • P0457-Loose Fuel Cap
    • Possible Causes
    • Diagnostic Procedure
  • P0461-Fuel Level Sensor #1 Performance
    • When Monitored and Set Condition:
      • P0461-Fuel Level Sensor #1 Performance
    • Possible Causes
    • Diagnostic Procedure
  • P0462-Fuel Level Sensor #1 Low; P0463-Fuel Level Sensor #1 High
    • Notes
    • When Monitored and Set Condition:
      • P0462-Fuel Level Sensor #1 Low
      • P0463-Fuel Level Sensor #1 High
    • Possible Causes
    • Diagnostic Procedure
  • P0480-Cooling Fan 1 Control Circuit
    • When Monitored and Set Condition:
      • P0480-Cooling Fan 1 Control Circuit
    • Possible Causes
    • Diagnostic Procedure
  • P0481-Cooling Fan 2 Control Circuit
    • When Monitored and Set Condition:
      • P0481-Cooling Fan 2 Control Circuit
    • Possible Causes
    • Diagnostic Procedure
  • P0498-NVLD Canister Vent Valve Solenoid Circuit Low
    • When Monitored and Set Condition:
      • P0498-NVLD Canister Vent Valve Solenoid Circuit Low
    • Possible Causes
    • Diagnostic Procedure
  • P0499-NVLD Canister Vent Valve Solenoid Circuit High
    • When Monitored and Set Condition:
      • P0499-NVLD Canister Vent Valve Solenoid Circuit High
    • Possible Causes
    • Diagnostic Procedure
  • P0501-Vehicle Speed Sensor #1 Performance (Auto Trans)
    • When Monitored and Set Condition:
      • P0501-Vehicle Speed Sensor #1 Performance (Auto Trans)
    • Possible Causes
    • Diagnostic Procedure
  • P0501-Vehicle Speed Sensor #1 Performance (Manual Trans)
    • When Monitored and Set Condition:
      • P0501-Vehicle Speed Sensor #1 Performance (Manual Trans)
    • Possible Causes
    • Diagnostic Procedure
  • P0506-Idle Speed Low Performance; P0507-Idle Speed High Performance
    • Notes
    • When Monitored and Set Condition:
      • P0506-Idle Speed Low Performance
      • P0507-Idle Speed High Performance
    • Possible Causes
    • Diagnostic Procedure
  • P0508-IAC Valve Sense Circuit Low
    • When Monitored and Set Condition:
      • P0508-IAC Valve Sense Circuit Low
    • Possible Causes
    • Diagnostic Procedure
  • P0509-IAC Valve Sense Circuit High
    • When Monitored and Set Condition:
      • P0509-IAC Valve Sense Circuit High
    • Possible Causes
    • Diagnostic Procedure
  • P0513-Invalid Skim Key
    • When Monitored and Set Condition:
      • P0513-Invalid Skim Key
    • Possible Causes
    • Diagnostic Procedure
  • P0516-Battery Temperature Sensor Low
    • When Monitored and Set Condition:
      • P0516-Battery Temperature Sensor Low
    • Possible Causes
    • Diagnostic Procedure
  • P0517-Battery Temperature Sensor High
    • When Monitored and Set Condition:
      • P0517-Battery Temperature Sensor High
    • Possible Causes
    • Diagnostic Procedure
  • P0522-Oil Pressure Sensor Low
    • When Monitored and Set Condition:
      • P0522-Oil Pressure Sensor Low
    • Possible Causes
    • Diagnostic Procedure
  • P0551-Power Steering Switch Performance
    • When Monitored and Set Condition:
      • P0551-Power Steering Switch Performance
    • Possible Causes
    • Diagnostic Procedure
  • P0562-Battery Voltage Low
    • When Monitored and Set Condition:
      • P0562-Battery Voltage Low
    • Possible Causes
    • Diagnostic Procedure
  • P0563-Battery Voltage High
    • When Monitored and Set Condition:
      • P0563-Battery Voltage High
    • Possible Causes
    • Diagnostic Procedure
  • P0572-Brake Switch #1 Circuit Low
    • When Monitored and Set Condition:
      • P0572-Brake Switch #1 Circuit Low
    • Possible Causes
    • Diagnostic Procedure
  • P0573-Brake Switch #1 Circuit High
    • When Monitored and Set Condition:
      • Posts-Brake Switch #1 Circuit High
    • Possible Causes
    • Diagnostic Procedure
  • P0580-Speed Control Switch #1 Low
    • When Monitored and Set Condition:
      • P0580-Speed Control Switch #1 Low
    • Possible Causes
    • Diagnostic Procedure
  • P0581-Speed Control Switch #1 High
    • When Monitored and Set Condition:
      • P0581-Speed Control Switch #1 High
    • Possible Causes
    • Diagnostic Procedure
  • P0582-Speed Control Vacuum Solenoid Circuit
    • When Monitored and Set Condition:
      • P0582-Speed Control Vacuum Solenoid Circuit
    • Possible Causes
    • Diagnostic Procedure
  • P0586-Speed Control Vent Solenoid Circuit
    • When Monitored and Set Condition:
      • P0586-Speed Control Vent Solenoid Circuit
    • Possible Causes
    • Diagnostic Procedure
  • P0594-Speed Control Servo Power Circuit
    • When Monitored and Set Condition:
      • P0594-Speed Control Servo Power Circuit
    • Possible Causes
    • Diagnostic Procedure
  • P0600-Serial Communication Link; P0601-Internal Memory Checksum Invalid
    • Notes
    • When Monitored and Set Condition:
      • P0600-Serial Communication Link
      • P0601-Internal Memory Checksum Invalid
    • Possible Causes
    • Diagnostic Procedure
  • P0622-Generator Field Control Circuit
    • When Monitored and Set Condition:
      • P0622-Generator Field Control Circuit
    • Possible Causes
    • Diagnostic Procedure
  • P0627-Fuel Pump Relay Circuit
    • When Monitored and Set Condition:
      • P0627-Fuel Pump Relay Circuit
    • Possible Causes
    • Diagnostic Procedure
  • P0630-VIN Not Programmed In Pcm
    • When Monitored and Set Condition:
      • P0630-VIN Not Programmed In Pcm
    • Possible Causes
    • Diagnostic Procedure
  • P0632-Odometer Not Programmed In Pcm
    • When Monitored and Set Condition:
      • P0632-Odometer Not Programmed In Pcm
    • Possible Causes
    • Diagnostic Procedure
  • P0633-Skim Key Not Programmed In Pcm
    • When Monitored and Set Condition:
      • P0633-Skim Key Not Programmed In Pcm
    • Possible Causes
    • Diagnostic Procedure
  • P0645-A/C Clutch Relay Circuit
    • When Monitored and Set Condition:
      • P0645-A/C Clutch Relay Circuit
    • Possible Causes
    • Diagnostic Procedure
  • P0685-ASD Relay Control Circuit
    • When Monitored and Set Condition:
      • P0685-ASD Relay Control Circuit
    • Possible Causes
    • Diagnostic Procedure
  • P0688-ASD Relay Sense Circuit Low
    • When Monitored and Set Condition:
      • P0688-ASD Relay Sense Circuit Low
    • Possible Causes
    • Diagnostic Procedure
  • P0700-Transmission Control System/Read Transmission DTCS On The DRBIII®
    • Diagnostic Procedure
  • P0850-Park/Neutral Switch Performance
    • When Monitored and Set Condition:
      • P0850-Park/Neutral Switch Performance
    • Possible Causes
    • Diagnostic Procedure
  • P1105-Tip Sensor Solenoid Circuit
    • When Monitored and Set Condition:
      • P1105-Tip Sensor Solenoid Circuit
    • Possible Causes
    • Diagnostic Procedure
  • P1115-General Temp Sensor Performance
    • When Monitored and Set Condition:
      • P1115-General Temp Sensor Performance
    • Possible Causes
    • Diagnostic Procedure
  • P1187-THOTTLE Inlet Pressure/Map Correlation
    • When Monitored and Set Condition:
      • P1187-THOTTLE Inlet Pressure/Map Correlation
    • Possible Causes
    • Diagnostic Procedure
  • P1189-Tip Sensor Circuit Low
    • When Monitored and Set Condition:
      • P1189-Tip Sensor Circuit Low
    • Possible Causes
    • Diagnostic Procedure
  • P1190-Tip Sensor Circuit High
    • When Monitored and Set Condition:
      • P1190-Tip Sensor Circuit High
    • Possible Causes
    • Diagnostic Procedure
  • P1593-Speed Control Switch Stuck
    • When Monitored and Set Condition:
      • P1593-Speed Control Switch Stuck
    • Possible Causes
    • Diagnostic Procedure
  • P1603-Pcm Internal Dual-Port Ram Communication; P1604-Pcm Internal Dual-Port Ram Read/Write Integrity Failure; P1607-Pcm Internal Shutdown Timer Rationality
    • Notes
    • When Monitored and Set Condition:
      • P1607-Pcm Internal Shutdown Timer Rationality
    • Possible Causes
    • Diagnostic Procedure
  • P1696-EEPROM Memory Write Denied/Invalid; P1697-EMR (Sri) Mileage Not Stored
    • Notes
    • When Monitored and Set Condition:
      • P1696-EEPROM Memory Write Denied/Invalid
      • P1697-EMR (Sri) Mileage Not Stored
    • Possible Causes
    • Diagnostic Procedure
  • P1854-Tip BARO Out Of Range
    • When Monitored and Set Condition:
      • P1854-Tip BARO Out Of Range
    • Possible Causes
    • Diagnostic Procedure
  • P2074-Manifold Pressure/Throttle Position Correlation - High Flow/Vacuum Leak
    • When Monitored and Set Condition:
      • P2074-Manifold Pressure/Throttle Position Correlation - High Flow/Vacuum Leak
    • Possible Causes
    • Diagnostic Procedure
  • P2096-Down Stream Fuel System 1/2 Lean; P2097-Down Stream Fuel System 1/2 Rich
    • Notes
    • When Monitored and Set Condition:
      • P2096-Down Stream Fuel System 1/2 Lean
      • P2097-Down Stream Fuel System 1/2 Rich
    • Possible Causes
    • Diagnostic Procedure
  • P2302-Ignition Coil #1 Secondary Circuit-Insufficient Ionization; P2305-Ignition Coil #2 Secondary Circuit-Insufficient Ionization
    • Notes
    • When Monitored and Set Condition:
      • P2302-Ignition Coil #1 Secondary Circuit-Insufficient Ionization
      • P2305-Ignition Coil #2 Secondary Circuit-Insufficient Ionization
    • Possible Causes
    • Diagnostic Procedure
  • P2503-Charging System Voltage Low
    • When Monitored and Set Condition:
      • P2503-Charging System Voltage Low
    • Possible Causes
    • Diagnostic Procedure
  • U0101-No Transmission Bus Message
    • When Monitored and Set Condition:
      • U0101-No Transmission Bus Message
    • Possible Causes
    • Diagnostic Procedure
  • U0155-No Cluster Bus Message
    • When Monitored and Set Condition:
      • U0155-No Cluster Bus Message
    • Possible Causes
    • Diagnostic Procedure
  • U0168-No Skim Bus Messages
    • When Monitored and Set Condition:
      • U0168-No Skim Bus Messages
    • Possible Causes
    • Diagnostic Procedure
  • U110C-No Fuel Level Bus Message
    • When Monitored and Set Condition:
      • U110C-No Fuel Level Bus Message
    • Possible Causes
    • Diagnostic Procedure