Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE DEFINITIONS

Fault Code

Definition

Code 02

Reconnected Engine Control Module

Code 12

Mass Airflow Sensor

Code 14

Coolant Temperature Sensor

Code 15

Fuel Temperature Sensor

Code 17

Throttle Position Sensor

Code 18

Throttle Position Sensor Input High/Mass Airflow Sensor Low

Code 19

Throttle Position Sensor Input Low/Mass Airflow Sensor High

Code 21

Tune Select Resistor

Code 23

Fuel Supply

Code 25

Misfire (Non Specific)

Code 28

Air Leak

Code 29

Engine Control Module Memory Check

Code 34

Injector - Bank "A" (Left Bank)

Code 36

Injector - Bank "B" (Right Bank)

Code 40

Misfire - Bank "A" (Left Bank)

Code 44

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

Code 45

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

Code 48

Air By-Pass Valve

Code 50

Misfire - Bank "B" (Right Bank)

Code 59 ⁽¹⁾

Group Fault Codes 23/28

Code 68

Road Speed Sensor

Code 69

Gear Switch

Code 88

Purge Valve Leak

⁽¹⁾	The fault code 59 will not be indicated by Malfunction Indicator Light (MIL).

DIAGNOSTIC TROUBLE CODE ORDER OF SYSTEM PRIORITY