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Powertrain Diagnostic Procedures Expand All (for easy ctrl-f) Collapse All Introduction Identification Of System System Description And Functional Operation Disclaimers, Safety, Warnings Required Tools And Equipment Glossary Of Terms Diagnostic Information And Procedures Communication - Symptoms DRIVEABILITY - NGC - Symptoms DRIVEABILITY - NGC - Diagnostic Tests P0016-Crankshaft/Camshaft Timing Misalignment P0030-O2 Sensor 1/1 Heater Circuit;, P0036-O2 Sensor 1/2 Heater Circuit;, P0050-O2 Sensor 2/1 Heater Circuit;, P0056-O2 Sensor 2/2 Heater Circuit; P0031-O2 Sensor 1/1 Heater Circuit Low;, P0037-O2 Sensor 1/2 Heater Circuit Low;, P0051-O2 Sensor 2/1 Heater Circuit Low;, P0057-O2 Sensor 2/2 Heater Circuit Low; P0032-O2 Sensor 1/1 Heater Circuit High;, P0038-O2 Sensor 1/2 Heater Circuit High;, P0052-O2 Sensor 2/1 Heater Circuit High;, P0058-O2 Sensor 2/2 Heater Circuit High; P0068-Manifold Pressure/Throttle Position Correlation - High Flow/Vacuum Leak P0070-Ambient Temp Sensor Stuck;, P0071-Ambient Temp Sensor Performance; P0072-Ambient Temp Sensor Low P0073-Ambient Temp Sensor High P0106-Map Sensor Performance P0107-Map Sensor Low P0108-Map Sensor High P0110-Intake Air Temperature Sensor Stuck;, P0111-Intake Air Temperature Sensor Performance; P0112-Intake Air Temperature Sensor Low P0113-Intake Air Temperature Sensor High P0116-Engine Coolant Temperature Performance P0117-Engine Coolant Temperature Sensor Low P0118-Engine Coolant Temperature Sensor High P0121-Throttle Position Sensor #1 Performance P0122-Throttle Position Sensor #1 Low P0123-Throttle Position Sensor #1 High P0125-Insufficient Coolant Temp For Closed-Loop Fuel Control P0128-Thermostat Rationality P0129-Barometric Pressure Out-Of-Range Low P0131-O2 Sensor 1/1 Voltage Low;, P0137-O2 Sensor 1/2 Voltage Low;, P0151-O2 Sensor 2/1 Voltage Low;, P0157-O2 Sensor 2/2 Voltage Low; P0132-O2 Sensor 1/1 Voltage High;, P0138-O2 Sensor 1/2 Voltage High;, P0152-O2 Sensor 2/1 Voltage High;, P0158-O2 Sensor 2/2 Voltage High P0133-O2 Sensor 1/1 Slow Response;, P0139-O2 Sensor 1/2 Slow Response;, P0153-O2 Sensor 2/1 Slow Response;, P0159-O2 Sensor 2/2 Slow Response; P0135-O2 Sensor 1/1 Heater Performance;, P0141-O2 Sensor 1/2 Heater Performance;, P0155-O2 Sensor 2/1 Heater Performance;, P0161-O2 Sensor 2/2 Heater Performance; P0171-Fuel System 1/1 Lean;, P0174-Fuel System 2/1 Lean; P0172-Fuel System 1/1 Rich;, P0175-Fuel System 2/1 Rich; P0201-Fuel Injector #1;, P0202-Fuel Injector #2;, P0203-Fuel Injector #3;, P0204-Fuel Injector #4;, P0205-Fuel Injector #5;, P0206-Fuel Injector #6; P0300-Multiple Cylinder Misfire;, P0301-Cylinder #1 Misfire;, P0302-Cylinder #2 Misfire;, P0303-Cylinder #3 Misfire;, P0304-Cylinder #4 Misfire;, P0305-Cylinder #5 Misfire;, P0306-Cylinder #6 Misfire; P0315-No Crank Sensor Learned P0325-Knock Sensor #1 Circuit P0335-Crankshaft Position Sensor Circuit P0339-Crankshaft Position Sensor Intermittent P0340-Camshaft Position Sensor Circuit P0344-Camshaft Position Sensor Intermittent P0351-Ignition Coil #1 Circuit;, P0352-Ignition Coil #2 Circuit;, P0353-Ignition Coil #3 Circuit;, P0354-Ignition Coil #4 Circuit;, P0355-Ignition Coil #5 Circuit;, P0356-Ignition Coil #6 Circuit; P0401 - EGR System Performance P0403 - EGR Control Circuit P0404 - EGR Position Sensor Performance P0405 - EGR Position Sensor Low P0406 - EGR Position Sensor High P0420-Catalytic 1/1 Efficiency; P0432-Catalytic 2/1 Efficiency P0440-General EVAP System Failure P0441-EVAP Purge System Performance P0442-EVAP System Medium Leak; P0455-EVAP System Large Leak P0443-EVAP Purge Solenoid Circuit P0452-NVLD Pressure Switch Sense Circuit Low P0453-NVLD Pressure Switch Sense Circuit High P0456-EVAP System Small Leak P0461-Fuel Level Sensor #1 Performance P0462-Fuel Level Sensor #1 Low; P0463-Fuel Level Sensor #1 High P0480-Low Speed Fan Control Relay Circuit P0481-High Speed Fan Control Relay Circuit P0498-NVLD Canister Vent Valve Solenoid Circuit Low P0499-NVLD Canister Vent Valve Solenoid Circuit High P0501-Vehicle Speed Sensor #1 Performance P0506-Idle Speed Low Performance; P0519-Idle Speed Performance; P0507-Idle Speed High Performance; P0508-IAC Valve Sense Circuit Low P0509-IAC Valve Sense Circuit High P0513-Invalid Skim Key P0532-A/C Pressure Sensor Low P0533-A/C Pressure Sensor High P0562-Battery Voltage Low P0563-Battery Voltage High P0579-Speed Control Switch #1 Performance P0580-Speed Control Switch #1 Low P0581-Speed Control Switch #1 High P0582-Speed Control Vacuum Solenoid Circuit P0586-Speed Control Vent Solenoid Circuit P0594-Speed Control Servo Power Circuit P0600-Serial Communication Link; P0601-Internal Memory Checksum Invalid P0622-Generator Field Control Circuit P0627-Fuel Pump Relay Circuit P0632-Odometer Not Programmed In Pcm P0633-Skim Key Not Programmed In Pcm P0645-A/C Clutch Relay Circuit P0660-Manifold Tune Valve Solenoid Circuit P0685-ASD Relay Control Circuit P0688-ASD Relay Sense Circuit Low P0700-Transmission Control System/Read Transmission DTCS On The DRBIII® P0703-Brake Switch #2 Circuit P0850-Park/Neutral Switch Performance P1115-General Temp Sensor Performance P1602-Pcm Not Programmed P1603-Pcm Internal Dual-Port Ram Communication; P1604-Pcm Internal Dual-Port Ram Read/Write Integrity Failure; P1607-Pcm Internal Shutdown Timer Rationality P1681-No Fuel Level Bus Message P1686-No Skim Bus Messages P1687-No Cluster Bus Message P1695-No Body Bus Messages P1696-EEPROM Memory Write Denied/Invalid; P1697-EMR (Sri) Mileage Not Stored P1698-No Transmission Bus Message P2008-Short Runner Solenoid Circuit P2302-Ignition Coil #1 Secondary Circuit-Insufficient Ionization; P2305-Ignition Coil #2 Secondary Circuit - Insufficient Ionization; P2308-Ignition Coil #3 Secondary Circuit- Insufficient Ionization; P2311-Ignition Coil #4 Secondary Circuit- Insufficient Ionization; P2314-Ignition Coil #5 Secondary Circuit- Insufficient Ionization; P2317-Ignition Coil #6 Secondary Circuit- Insufficient Ionization P2503-Charging System Voltage Low Sentry Key Immobilizer - Symptoms Starting - Symptoms Verification Tests Component Locations Connector PINOUTS Schematic Diagrams Chart And Graphs