Engine Controls - Self-Diagnostics
- Introduction
- Self-Diagnostic System
- Programming
- Drive Cycles
- Summary
- Diagnostic Trouble Code Definitions
- Component Locations
- Connector Identification
- System Tests
- Diagnostic Tests
- Notes
- DTC P0030: Ho2S Heater Control Circuit (Sensor 1)
- DTC P0036: Ho2S Heater Control Circuit (Sensor 2)
- DTC P0101: Mass Airflow Sensor System Performance
- DTC P0102: Mass Airflow Sensor Circuit Low Frequency
- DTC P0103: Mass Airflow Sensor Circuit High Frequency
- DTC P0106: Map System Performance
- DTC P0107: Map Sensor Circuit Low Voltage
- DTC P0108: Map Sensor Circuit High Voltage
- DTC P0112: Intake Air Temperature Sensor Circuit Low Voltage
- DTC P0113: Intake Air Temperature Sensor Circuit High Voltage
- DTC P0116: Engine Coolant Temperature Sensor Circuit Performance
- DTC P0117: Engine Coolant Temperature Sensor Circuit Low Voltage
- DTC P0118: Engine Coolant Temperature Sensor Circuit High Voltage
- DTC P0121: Throttle Position Sensor Circuit Insufficient Activity
- DTC P0122: Throttle Position Sensor Circuit Voltage Low
- DTC P0123: Throttle Position Sensor Circuit High Voltage
- DTC P0125: Engine Coolant Temperature Excessive Time To Reach Closed Loop
- DTC P0128: Engine Coolant Thermostat
- DTC P0130: Ho2S Bank 1 Sensor 1 Circuit & DTC P0150: Ho2S Bank 2 Sensor 1 Circuit
- DTC P0131: Ho2S Bank 1 Sensor 1 Circuit - Low Voltage & DTC P0151: Ho2S Bank 2 Sensor 1 Circuit - Low Voltage
- DTC P0132: Ho2S Bank 1 Sensor 1 Circuit - High Voltage & DTC P0152: Ho2S Bank 2 Sensor 1 Circuit - High Voltage
- DTC P0133: Ho2S Bank 1 Sensor 1 - Slow Response & DTC P0153: Ho2S Bank 2 Sensor 1 - Slow Response
- DTC P0134: Ho2S Bank 1 Sensor 1 - Insufficient Activity & DTC P0154: Ho2S Bank 2 Sensor 1 - Insufficient Activity
- DTC P0135: Ho2S Bank 1 Sensor 1 - Heater Performance
- DTC P0137: Ho2S Bank 1 Sensor 2 Circuit - Low Voltage
- DTC P0138: Ho2S Bank 1 Sensor 2 Circuit - High Voltage
- DTC P0140: Ho2S Bank 1 Sensor 2 Circuit - Insufficient Activity
- DTC P0141: Ho2S Bank 1 Sensor 2 - Heater Performance
- DTC P0155: Ho2S Bank 2 Sensor 1 Circuit - Heater Performance
- DTC P0171: Fuel Trim System Lean, Bank 1 & DTC P0174: Fuel Trim System Lean, Bank 2
- DTC P0172: Fuel Trim System Rich, Bank 1 & DTC P0175: Fuel Trim System Rich, Bank 2
- DTC P0201-P0208: Injector Control Circuit
- DTC P0230: Fuel Pump Control Circuit
- DTC P0300-P0308: Engine Misfire Detected
- DTC P0325: Knock Sensor System
- DTC P0326: Excessive Spark Retard
- DTC P0327: Knock Sensor Circuit Out Of Range
- DTC P0335: Crankshaft Position Sensor "A" Loss Of Signal
- DTC P0336: Crankshaft Position Sensor "A" Circuit Performance
- DTC P0340: Camshaft Position Sensor Circuit
- DTC P0341: Camshaft Position Sensor Circuit Performance
- DTC P0351-P0358: Ignition Coil Primary Circuits
- DTC P0385: Crankshaft Position Sensor "B" Loss Of Signal
- DTC P0386: Crankshaft Position Sensor "B" Circuit Performance
- DTC P0401: EGR Flow Insufficient
- DTC P0403: EGR Solenoid Control Circuit
- DTC P0404: EGR Open Position Performance
- DTC P0405: EGR Position Sensor Circuit Low Voltage
- DTC P0410: Secondary Air Injection System
- P0412: Secondary Air Injection Solenoid Relay Control Circuit
- DTC P0418: Secondary Air Injection Pump Relay Control Circuit
- DTC P0420: Catalyst System Low Efficiency
- DTC P0440: EVAP System
- DTC P0442: EVAP System - Small Leak Detected
- DTC P0443: EVAP Purge Solenoid Control Circuit
- DTC P0446: EVAP Canister Vent Restricted Or Blocked
- DTC P0449: EVAP Canister Vent Solenoid Control Circuit
- DTC P0452: Fuel Tank Pressure Sensor Circuit - Low Voltage
- DTC P0453: Fuel Tank Pressure Sensor Circuit - High Voltage
- DTC P0506: Idle Speed Low
- DTC P0507: Idle Speed High
- DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683 & P2610: Pcm Memory
- DTC P0650: Malfunction Indicator Light Control Circuit
- DTC P1031: Ho2S Bank 1 Sensor 1 Heater Current Monitor Control Circuit & DTC P1032: Ho2S Bank 2 Sensor 1 Heater Current Monitor Control Circuit
- DTC P1106: Map Sensor Circuit Intermittent High Voltage
- DTC P1107: Map Sensor Circuit Intermittent Low Voltage
- DTC P1111: Intake Air Temperature Sensor Circuit Intermittent High Voltage
- DTC P1112: Intake Air Temperature Sensor Circuit Intermittent Low Voltage
- DTC P1114: Engine Coolant Temperature Sensor Circuit Intermittent Low Voltage
- DTC P1115: Engine Coolant Temperature Sensor Circuit Intermittent High Voltage
- DTC P1121: Throttle Position Sensor Circuit Intermittent High Voltage
- DTC P1122: Throttle Position Sensor Circuit Intermittent Low Voltage
- DTC P1133: Ho2S Bank 1 Sensor 1 - Insufficient Switching & DTC P1153: Ho2S Bank 2 Sensor 1 - Insufficient Switching
- DTC P1134: Ho2S Bank 1 Sensor 1 - Transition Time Ratio & DTC P1154: Ho2S Bank 2 Sensor 1 - Transition Time Ratio
- DTC P1258: Engine Over-Temperature Condition
- DTC P1336: Crankshaft Position System Variation Not Learned
- DTC P1359: Ignition Control Circuit Group "A"
- DTC P1360: Ignition Control Circuit Group "B"
- DTC P1372: Crankshaft Position Sensor "A" & "B" Correlation
- DTC P1380: EBTCM DTC Detected Rough Road Data Unstable
- DTC P1381: Misfire Detected - No EBTCM/Pcm Serial Data
- DTC P1404: EGR System Performance
- DTC P1415: Air System - Bank 1 & DTC P1416: Air System - Bank 2
- DTC P1441: EVAP Emission System Flow During Non-Purge
- DTC P1624: Customer Snapshot Data Available
- DTC P1633: Improper Ignition 0 Input
- DTC P1634: Improper Ignition 1 Input
- DTC P1635: 5-Volt Reference 1 Circuit
- DTC P1639: 5-Volt Reference 2 Circuit
- Wiring Diagrams