Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE DEFINITIONS

Fault Code

Definition

Code 02

Reconnected ECM Fault

Code 12

Mass Airflow Sensor Fault

Code 14

Engine Coolant Temperature Sensor Fault

Code 15

Fuel Temperature Sensor Fault

Code 17

Throttle Position Sensor Fault

Code 18

Throttle Position Sensor Input High/Mass Airflow Sensor Input Low Fault

Code 19

Throttle Position Sensor Input Low/Mass Airflow Sensor Input High Fault

Code 21

Tune Select Resistor Fault

Code 23

Fuel Supply Fault

Code 25 ⁽¹⁾

Ignition Misfire

Code 28

Engine Air Leak Fault

Code 29

ECM Memory Fault

Code 34

Left Bank Injector Fault (Bank "A")

Code 36

Right Bank Injector Fault (Bank "B")

Code 40

Left Bank Misfire Fault (Bank "A")

Code 44

Left Bank Heated Oxygen Sensor Fault (Bank "A")

Code 45

Right Bank Heated Oxygen Sensor Fault (Bank "B")

Code 48

Idle Air Control Valve Fault

Code 50

Right Bank Misfire Fault (Bank "B")

Code 59

Group Faults 23/28

Code 68

Vehicle Speed Sensor Input Fault

Code 69

Park/Neutral Position Switch Fault

Code 88

Canister Purge Valve Leak Fault

⁽¹⁾	Testing information is not available from manufacturer.

DIAGNOSTIC TROUBLE CODE ORDER OF SYSTEM PRIORITY