Powertrain Diagnostic Procedures
- DTC Index
- Introduction
- Identification Of System
- System Description And Functional Operation
- General Description
- Functional Operation
- Diagnostic Trouble Codes
- Using The DRBIII®
- DRBIII® Error Messages And Blank Screen
- Disclaimers, Safety, Warnings
- Required Tools And Equipment
- Glossary Of Terms
- Diagnostic Information And Procedures
- Communication - Symptoms
- DRIVEABILITY - NGC - Symptoms
- Symptom: INTERMITTENT CONDITION
- Symptom: *CHECKING PCM POWER AND GROUND CIRCUITS
- Symptom: *CHECKING THE A/C RELAY OUTPUT
- Symptom List: ANTENNA FAILURE; COP FAILURE; EEPROM FAILURE; RAM FAILURE; ROM FAULT; SERIAL LINK INTERNAL FAULT; STACK OVERFLOW FAILURE
- Symptom List: PCM STATUS FAILURE; SERIAL LINK EXTERNAL FAULT
- Symptom List: ROLLING CODE FAILURE; VIN MISMATCH
- Symptom List: TRANSPONDER COMMUNICATION FAILURE; TRANSPONDER ID MISMATCH; TRANSPONDER RESPONSE MISMATCH
- Symptom: UNPROGRAMMED SKREEM
- Symptom: *CHECKING FUEL DELIVERY
- Symptom: *CHECKING FUEL PRESSURE LEAK DOWN
- Symptom: *CHECKING HARD START (FUEL DELIVERY SYSTEM)
- Symptom: *ENGINE CRANKS DOES NOT START
- Symptom: *NO CRANK CONDITION
- Symptom: *NO RESPONSE FROM PCM WITH A NO START CONDITION
- Symptom: *START AND STALL CONDITION
- DRIVEABILITY - NGC - Diagnostic Tests
- P0016-Crankshaft/Camshaft Timing Misalignment
- P0031-O2 Sensor 1/1 Heater Circuit Low; P0037-O2 Sensor 1/2 Heater Circuit Low
- P0032-O2 Sensor 1/1 Heater Circuit High; P0038-O2 Sensor 1/2 Heater Circuit High
- P0068-Manifold Pressure/Throttle Position Correlation
- P0071-Ambient Temp Sensor Performance
- P0072-Ambient Temp Sensor Low
- P0073-Ambient Temp Sensor High
- P0107-Map Sensor Low
- P0108-Map Sensor High
- 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
- 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
- P0132-O2 Sensor 1/1 Voltage High; P0138-O2 Sensor 1/2 Voltage High
- P0133-O2 Sensor 1/1 Slow Response; P0139-O2 Sensor 1/2 Slow Response
- P0135-O2 Sensor 1/1 Heater Performance; P0141-O2 Sensor 1/2 Heater Performance
- P0171-Fuel System 1/1 Lean
- P0172-Fuel System 1/1 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
- 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
- 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 Stuck Closed
- P0453-NVLD Pressure Switch Stuck Open
- P0456-EVAP System Small Leak
- P0457-Loose Fuel Cap
- P0461-Fuel Level Sensor #1 Performance; P2066-Fuel Level Sensor #2 Performance
- P0462-Fuel Level Sensor #1 Low; P0463-Fuel Level Sensor #1 High; P2067-Fuel Level Sensor #2 Low; P2068-Fuel Level Sensor #2 High
- P0480-Cooling Fan 1 Control 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; P0507-Idle Speed High Performance
- P0508-IAC Valve Sense Circuit Low
- P0509-IAC Valve Sense Circuit High
- P0513-Invalid Skim Key
- P0516-Battery Temperature Sensor Low
- P0517-Battery Temperature Sensor High
- P0522 Pressure Sensor Low
- P0532-A/C Pressure Sensor Low
- P0533-A/C Pressure Sensor High
- P0562-Battery Voltage Low
- P0563-Battery Voltage High
- P0572-Brake Switch #1 Circuit Low
- P0573-Brake Switch #1 Circuit High
- 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
- P0630-VIN Not Programmed In Pcm
- 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®
- P0850-Park/Neutral Switch Performance
- P1115-General Temp Sensor Performance
- P1593-Speed Control Switch Stuck
- P1603-Pcm Internal Dual-Port Ram Communication; P1604-Pcm Internal Dual-Port Ram Read/Write Integrity Failure; P1607-Pcm Internal Shutdown Timer Rationality
- P1696-EEPROM Memory Write Denied/Invalid; P1697-EMR (Sri) Mileage Not Stored
- P1861-Siphon Line Disconnected
- P2008-Short Runner Solenoid Circuit
- P2074-Manifold Pressure/Throttle Position Correlation - High Flow/Vacuum Leak
- P2096-Down Stream Fuel System 1/2 Lean; P2097-Down Stream Fuel System 1/2 Rich
- P2302-Ignition Coil #1 Secondary Circuit-Insufficient Ionization (3.5L); P2305-Ignition Coil #2 Secondary Circuit - Insufficient Ionization (3.5L); P2308-Ignition Coil #3 Secondary Circuit - Insufficient Ionization (3.5L); P2311-Ignition Coil #4 Secondary Circuit - Insufficient Ionization (3.5L); P2314-Ignition Coil #5 Secondary Circuit - Insufficient Ionization (3.5L); P2317-Ignition Coil #6 Secondary Circuit - Insufficient Ionization (3.5L)
- Notes
- When Monitored and Set Condition:
- P2302-Ignition Coil #1 Secondary Circuit-Insufficient Ionization (3.5L)
- P2305-Ignition Coil #2 Secondary Circuit - Insufficient Ionization (3.5L)
- P2308-Ignition Coil #3 Secondary Circuit- Insufficient Ionization (3.5L)
- P2311-Ignition Coil #4 Secondary Circuit- Insufficient Ionization (3.5L)
- P2314-Ignition Coil #5 Secondary Circuit- Insufficient Ionization (3.5L)
- P2317-Ignition Coil #6 Secondary Circuit- Insufficient Ionization (3.5L)
- Possible Causes
- Diagnostic Procedure
- P2302-Ignition Coil #1 Secondary Circuit-Insufficient Ionization (3.8L); P2305-Ignition Coil #2 Secondary Circuit-Insufficient Ionization (3.8L); P2308-Ignition Coil #3 Secondary Circuit-Insufficient Ionization (3.8L)
- P2503-Charging System Voltage Low
- U0101-No Transmission Bus Message
- U0140-No Body Bus Messages
- U0155-No Cluster Bus Message
- U0168-No Skim Bus Messages
- U110C-No Fuel Level Bus Message
- Verification Tests
- Component Locations
- Connector PINOUTS
- A/C Compressor Clutch - LT. Gray 2 Way
- A/C Pressure Transducer - Gray 4 Way
- Ambient Temperature Sensor - Black 2 Way
- Battery Temperature Sensor - Black 2 Way
- Camshaft Position Sensor - Black 3 Way
- Coil On Plug No. 1 - LT. Gray 2 Way
- Coil On Plug No. 2 - LT. Gray 2 Way
- Coil On Plug No. 3 - LT. Gray 2 Way
- Coil On Plug No. 4 - LT. Gray 2 Way
- Coil On Plug No. 5 - LT. Gray 2 Way
- Coil On Plug No. 6 - LT. Gray 2 Way
- Crankshaft Position Sensor - Black 3 Way
- Data Link Connector - Black 16 Way
- EGR Solenoid - Black 6 Way
- Engine Coolant Temperature Sensor - Black 2 Way
- Engine Oil Pressure Switch - Black 2 Way
- EVAP/Purge Solenoid - Black 2 Way
- Fuel Injector No. 1 (3.5L) - Black 2 Way
- Fuel Injector No. 1 (3.8L) - Black 2 Way
- Fuel Injector No. 2 (3.8L) - Black 2 Way
- Fuel Injector No. 3 (3.5L) - Black 2 Way
- Fuel Injector No. 3 (3.8L) - Black 2 Way
- Fuel Injector No. 4 (3.5L) - Black 2 Way
- Fuel Injector No. 4 (3.8L) - Black 2 Way
- Fuel Injector No. 5 (3.5L) - Black 2 Way
- Fuel Injector No. 5 (3.8L) - Black 2 Way
- Fuel Injector No. 6 (3.5L) - Black 2 Way
- Fuel Injector No. 6 (3.8L) - Black 2 Way
- Fuel Pump Module - Black 6 Way
- Generator - Black 2 Way
- Idle Air Control Motor - Black 2 Way
- Ignition Coil (3.8L) - DK. Gray 4 Way
- Intake Air Temperature Sensor - Black 2 Way
- A/C Compressor Clutch Relay
- Fuel Pump Relay
- Manifold Tuning Valve Relay
- Starter Motor Relay
- Knock Sensor - Black 2 Way
- Manifold Absolute Pressure Sensor - Gray 3 Way
- Manifold Tuning Valve Solenoid (3.5L) - DK. Gray 2 Way
- Natural Vacuum Leak Detection Assembly - Black 3 Way
- Oxygen Sensor-1/1 Upstream - Black 4 Way
- Oxygen Sensor-1/2 Downstream - Black 4 Way
- Radiator Fan Motor No. 1 - Black 2 Way
- Radiator Fan Motor No. 2 - Black 2 Way
- Radiator Fan Relay - Black 4 Way
- Short Runner Valve Solenoid - Gray 2 Way
- SKREEM Module - Black 6 Way
- Speed Control Switch-Left - Black 3 Way
- Speed Control Switch-Right - Black 3 Way
- Throttle Position Sensor - Gray 3 Way
- Schematic Diagrams
- Charts And Graphs