Engine Controls - Self-Diagnostics
- Identification
- Diagnostic Tests
- Symptom Diagnosis
- Diagnostic Aids
- Idle Learn Procedure
- Symptom Diagnosis
- Engine Cranks But Will Not Run
- No Malfunction Indicator Lamp
- Malfunction Indicator Lamp On Steady
- Fuel System Diagnosis
- Fuel Pump Relay Circuit Check
- Ignition Relay No. 1 Circuit Check
- Manifold Absolute Pressure Check
- Park/Neutral Position Switch
- Idle Air Control System Check
- Ignition System Check
- Engine Cooling Fan Circuit Check
- Data Link Connector Diagnosis
- Fuel Injector Balance Test
- EVAP Control System Diagnosis
- Trouble Code Diagnosis
- Diagnostic Trouble Codes
- Notes
- DTC P0106: Manifold Absolute Pressure Rationality
- DTC P0107: Manifold Absolute Pressure Low Voltage
- DTC P0108: Manifold Absolute Pressure High Voltage
- DTC P0112: Intake Air Temperature Low Voltage
- DTC P0113: Intake Air Temperature High Voltage
- DTC P0117: Engine Coolant Temperature Low Voltage
- DTC P0118: Engine Coolant Temperature High Voltage
- DTC P0121: Throttle Position Sensor Rationality
- DTC P0122: Throttle Position Sensor Low Voltage
- DTC P0123: Throttle Position Sensor High Voltage
- DTC P0125: Engine Coolant Temperature Insufficient For Closed Loop Fuel Control
- DTC P0128: Stuck Open Thermostat
- DTC P0131: O2 Bank No. 1, Sensor No. 1, Low Voltage
- DTC P0132: O2 Bank No. 1, Sensor No. 1, High Voltage
- DTC P0133: O2 Bank No. 1, Sensor No. 1, Slow Response
- DTC P0134: O2 Bank No. 1, Sensor No. 1, No Activity
- DTC P0137: O2 Bank No. 1, Sensor No. 2, Low Voltage
- DTC P0138: O2 Bank No. 1, Sensor No. 2, High Voltage
- DTC P0140: O2 Bank No. 1, Sensor No. 2, No Activity
- DTC P0141: O2 Bank No. 1, Sensor No. 2, Heater
- DTC P0171: Bank No. 1, System Too Lean
- DTC P0172: Bank No. 1, System Too Rich
- DTC P0201: Injector No. 1, Circuit Fault
- DTC P0202: Injector No. 2, Circuit Fault
- DTC P0203: Injector No. 3 Circuit Fault
- DTC P0204: Injector No. 4, Circuit Fault
- DTC P0300: Multiple Cylinder Misfire
- DTC P0301: Cylinder No. 1, Misfire
- DTC P0302: Cylinder No. 2 Misfire
- DTC P0303: Cylinder No. 3 Misfire
- DTC P0304: Cylinder No. 4 Misfire
- DTC P0325: Knock Sensor DSNEF Internal Malfunction
- DTC P0327: Knock Sensor Circuit Fault
- DTC P0336: 58X Crank Position Extra/Missing Pulses
- DTC P0337: 58X Crank Position No Signal
- DTC P0341: Camshaft Position Sensor Rationality
- DTC P0342: Camshaft Position Sensor No Signal
- DTC P0351: Ignition Control Circuit A Fault
- DTC P0352: Ignition Control Circuit B Fault
- DTC P0401: Exhaust Gas RECIRCULATION Insufficient Flow
- DTC P0402: Exhaust Gas RECIRCULATION Excessive Flow
- DTC P0404: Exhaust Gas RECIRCULATION Open Valve Position Error
- DTC P0405: Exhaust Gas RECIRCULATION Pintle Position Low Voltage
- DTC P0406: Exhaust Gas RECIRCULATION Pintle Position High Voltage
- DTC P0420: Catalyst Bank No. 1, Low Efficiency
- DTC P0440: Evaporative Emission System Large Leak/Low Tank Vacuum
- DTC P0442: Evaporative Emission System Small Leak
- DTC P0443: Evaporative Emission System Purge Control Circuit
- DTC P0446: Evaporative Emission System Vent Control Malfunction
- DTC P0449: Evaporative Emission System Vent Solenoid Circuit Fault
- DTC P0452: Fuel Tank Pressure Sensor Low Voltage
- DTC P0453: Fuel Tank Pressure Sensor - High Voltage
- DTC P0461: Fuel Level - Stuck
- DTC P0462: Fuel Level - Low Voltage
- DTC P0463: Fuel Level - High Voltage
- DTC P0464: Fuel Level Rationality
- DTC P0480: Low Speed Cooling Fan Control Circuit Fault
- DTC P0502: Vehicle Speed Sensor (Engine Side) No Signal
- DTC P0506: Idle Speed Rpm Lower Than Desired Idle Speed
- DTC P0507: Idle Speed Higher Than Desired Idle Speed
- DTC P0532: A/C Pressure Sensor Low
- DTC P0533: A/C Pressure Sensor High
- DTC P0562: System Voltage (Engine Side) Too Low
- DTC P0563: System Voltage (Engine Side) Too High
- DTC P0601: ECM (Engine Side) Checksum Fault
- DTC P0700: Transmission Control System Malfunction
- DTC P1106: Map Sensor - Intermittent High Voltage
- DTC P1107: Map Sensor - Intermittent Low Voltage
- DTC P1111: Intake Air Temperature Sensor - Intermittent High Voltage
- DTC P1112: Intake Air Temperature Sensor - Intermittent Low Voltage
- DTC P1114: Engine Coolant Temperature Sensor - Intermittent Low Voltage
- DTC P1115: Engine Coolant Temperature Sensor - Intermittent High Voltage
- DTC P1121: Throttle Position Sensor - Intermittent High Voltage
- DTC P1122: Throttle Position Sensor - Intermittent Low Voltage
- DTC P1130: O2 Bank No. 1, Sensor No. 1, Low Signal Variance
- DTC P1133: O2 Bank No. 1, Sensor No. 1, Too Few Transitions
- DTC P1134: O2 Bank No. 1, Sensor No. 1, Transition Ratio
- DTC P1171: Fuel Supply System Lean During Power Enrichment
- DTC P1336: 58X Crank Position Tooth Error Not Learned
- DTC P1391: G Sensor Rough Road Rationality
- DTC P1392: G Sensor Rough Road Low Voltage
- DTC P1393: G Sensor Rough Road High Voltage
- DTC P1404: Exhaust Gas RECIRCULATION Closed Valve Pintle Error
- DTC P1441: Evaporative Emission Continuous Purge Flow
- DTC P1508: Idle Air Control Counts Too Low
- DTC P1509: Idle Air Control Counts Too High
- DTC P1520: Park/Neutral Discrete Fault
- DTC P1546: A/C Clutch Output Circuit Fault
- DTC P1618: ECM Internal SPI Communication
- DTC P1625: ECM Internal System Reset
- DTC P1627: ECM A/D Conversion Error
- DTC P1635: ECM 5-Volt Reference Line Low
- DTC P1640: ODM Internal SPI Communication
- DTC P1781: TCM Mil Request Control Circuit Fault
- DTC P1782: TCM Mil Request Data Invalid
- DTC P1895: TCM-To-ECM Torque Reduction Signal Fault
- System Specifications
- Engine Data Display
- ECM Data Description
- A/C Clutch
- A/C Pressure
- A/C Request
- Air Fuel Ratio
- BARO
- BPW Bank 1
- Calculated Air Flow
- Camshaft Activity Counter
- Desired Idle
- Engine Coolant Temperature
- EGR Desired Position
- Engine Run Time
- Engine Speed
- EVAP Purge
- EVAP Purge Solenoid
- EVAP Vent Solenoid
- Fan
- Fuel Level Sensor
- Fuel Tank Pressure Sensor
- IAC Position
- Intake Air Temperature
- Ignition 1 (Voltage)
- Knock Retard
- Knock Present
- Calculated Load
- Long Term FT
- Long Term FT Average
- Loop Status
- Map
- Misfire Current #1-4
- Misfire History #1-4
- Oxygen Sensor Bank No. 1 Sensor No. 1
- Oxygen Sensor Bank No. 1 Sensor No. 2
- Short Term FT
- Short Term FT Average
- Spark
- TCC Brake Switch
- Total Misfire Current Counter
- TP Angle
- TP Sensor
- Vehicle Speed
- Data Display Tables
- EVAP Data Display
- EGR Data Display
- Oxygen Sensor Data Display
- Misfire Data Display
- TEC Display Table
- Fuel System Specifications
- Temperature Vs. Resistance
- Engine Data Display
- Wiring Diagrams
- Torque Specifications