Engine Controls - Self-Diagnostics - 2.0L
- Introduction
- Self-Diagnostic System
- Test Equipment
- Summary
- Diagnostic Trouble Code Definitions
- Diagnostic Tests
- Notes
- Reference Voltage Test
- DTC P0068: Throttle Position (TP) Sensor Inconsistent With Mass Airflow (MAF) Sensor
- DTC P0102: Mass Airflow (MAF) Sensor Circuit, Low Input
- DTC P0103: Mass Airflow (MAF) Sensor Circuit, High Input
- DTC P0106: BARO Sensor Circuit, Performance Problem
- DTC P0107: BARO Sensor Circuit, Low Input
- DTC P0108: BARO Sensor Circuit, High Input
- DTC P0112: Intake Air Temperature (IAT) Sensor Circuit, Low Input
- DTC P0113: Intake Air Temperature (IAT) Sensor Circuit, High Input
- DTC P0116: Engine Coolant Temperature (ECT) Sensor Circuit, Performance Problem
- DTC P0117: Engine Coolant Temperature (ECT) Sensor Circuit, Low Input
- DTC P0118: Engine Coolant Temperature (ECT) Sensor Circuit, High Input
- DTC P0122: Throttle Position (TP) Sensor, Low Input
- DTC P0123: Throttle Position (TP) Sensor, High Input
- DTC P0125: Excessive Time To Enter Closed Loop
- DTC P0126: Coolant Thermostat Stuck Open
- DTC P0128: Coolant Thermostat Stuck Open
- DTC P0133: Front Heated Oxygen Sensor Circuit, Slow Response
- DTC P0135: Front Heated Oxygen Sensor Heater Circuit Malfunction
- DTC P0136: Rear Heated Oxygen Sensor Circuit Malfunction, DTC P1137: Rear Heated Oxygen Sensor Not Switching (Sensor Indicates Lean) Or DTC P1138: Rear Heated Oxygen Sensor Not Switching (Sensor Indicates Rich)
- DTC P0141: Rear Heated Oxygen Sensor Heater Circuit Malfunction
- DTC P0171: Fuel Trim System, Too Lean, DTC P0172: Fuel Trim System, Too Rich, DTC P1130: Front Heated Oxygen Sensor Not Switching (Adapted Fuel Limit), DTC P1131: Front Heated Oxygen Sensor Not Switching (Sensor Indicates Lean) & DTC P1132: Front Heated Oxygen Sensor Not Switching (Sensor Indicates Rich)
- DTC P0230: Fuel Pump Primary Circuit Malfunction
- DTC P0300: Misfire Detection Monitor (Random), P0301: Cylinder No. 1 Misfire Detected, P0302: Cylinder No. 2 Misfire Detected, P0303: Cylinder No. 3 Misfire Detected, P0304: Cylinder No. 4 Misfire Detected Or P0316: Misfire During First 1000 Revs After Start-Up
- DTC P0320: Crankshaft Position (CKP) Sensor Circuit Malfunction
- DTC P0325: Knock Sensor (KS) Circuit Malfunction
- DTC P0340: Camshaft Position (CMP) Sensor Circuit Malfunction
- DTC P0400: EGR Flow Malfunction
- DTC P0403: EGR Valve Control Circuit Malfunction
- DTC P0421: Catalyst Warm-Up Efficiency, Low
- DTC P0442: Evaporative Emission System, Small Leak
- DTC P0443: Evaporative Emission System Purge Control Valve Circuit Malfunction
- DTC P0446: Evaporative Emission System Vent Control Malfunction
- DTC P0452: Evaporative Emission System Fuel Tank Pressure Sensor, Low Input
- DTC P0453: Evaporative Emission System Fuel Tank Pressure Sensor, High Input
- DTC P0455: Evaporative Emission System, Large Leak
- DTC P0460: Fuel Gauge Sender Unit Circuit Malfunction
- DTC P0461: Fuel Gauge Sender Unit Circuit Performance Problem
- DTC P0480: Cooling Fan Control Circuit Malfunction
- DTC P0481: Condenser Fan Control Circuit Malfunction
- DTC P0500: Vehicle Speed Sensor (VSS) Circuit Malfunction, P0503: Vehicle Speed Sensor (VSS), Erratic Malfunction &/Or P1501: Vehicle Speed Sensor (VSS), Out Of Range
- DTC P0505: Idle Air Control (IAC) Valve, System Malfunction
- DTC P0506: Idle Control System, Rpm Less Than Expected
- DTC P0507: Idle Control System, Rpm Greater Than Expected
- DTC P0511: Idle Air Control Valve (IAC) Circuit Malfunction
- DTC P0603: Powertrain Control Module (Pcm), Keep Alive Memory (KAM) Test Error &/Or P0605: Powertrain Control Module Malfunction (Pcm), Read Only Memory (ROM), Test Error
- DTC P0704: Clutch Switch Circuit Malfunction
- DTC P0850: Neutral Switch Input Circuit Malfunction
- DTC P1001: Data Link Connector (DLC) Malfunction
- DTC P1100: Mass Airflow (MAF) Sensor, Intermittent Malfunction
- DTC P1101: Mass Airflow (MAF) Sensor, Out Of Range
- DTC P1112: Intake Air Temperature (IAT), Intermittent Malfunction
- DTC P1116: Engine Coolant Temperature (ECT) Sensor, Out Of Range
- DTC P1117: Engine Coolant Temperature (ECT) Sensor, Intermittent Malfunction
- DTC P1120: Throttle Position (TP) Sensor, Out Of Range (Low)
- DTC P1124: Throttle Position (TP) Sensor Inconsistent With Rpm. Greater Than Expected
- DTC P1125: Throttle Position (TP) Sensor, Intermittent Problem
- DTC P1127: Cold Exhaust
- DTC P1250: Fuel Pressure Regulator Control (PRC) Solenoid Valve Circuit Malfunction
- DTC P1410: EGR Boost Sensor Solenoid Valve Stuck
- DTC P1450: Evaporative Control System Malfunction (Vacuum Leak)
- DTC P1451: Canister Drain Cut Valve (CDCV) Circuit Malfunction
- DTC P1460: Wot A/C Control Circuit Malfunction & P1464: A/C Demand Out Of Range
- DTC P1487: EGR Boost Sensor Solenoid Valve Circuit Malfunction
- DTC P1504: Idle Air Control (IAC) Valve Circuit Malfunction
- DTC P1506: Idle Control System, Rpm Less Than Expected
- DTC P1507: Idle Control System, Rpm Greater Than Expected
- DTC P1512: Variable Tumble Control System (VTCS) Shutter Valve Stuck
- DTC P1569: Variable Tumble Control System (VTCS) Solenoid Valve, Circuit Malfunction
- DTC P1602: Immobilizer Unit - Pcm Communication Error
- DTC P1603: Code Word Unregistered In Pcm
- DTC P1604: Key Id Numbers Unregistered In Pcm
- DTC P1621: Code Word Does Not Match After Engine Cranking
- DTC P1622: Key Id Number Does Not Match
- DTC P1623: Code Word Or Key Id Number Read/Write Error In Pcm
- P1624: Immobilizer System Communication Counter = Zero
- DTC P1633: Powertrain Control Module (Pcm) KAM Circuit, Low Voltage
- DTC P1650: Power Steering Pressure (PSP) Switch, Out Of Range
- DTC P1652: Power Steering Pressure (PSP) Switch, Failed On
- DTC P1703: Brake Switch, Out Of Range