Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE DEFINITIONS

Code

Description

12

System Normal

13

Oxygen Sensor Circuit

14

Coolant Temperature Sensor (CTS) Indication Low

15

Coolant Temperature Sensor (CTS) Indication High

21

Throttle Position Sensor Voltage High

22

Throttle Position Sensor Voltage Low

24

Speed Sensor Circuit Check

33

Airflow Sensor (AFS) CKT Signal Voltage High

34

Airflow Sensor (AFS) CKT Signal Voltage Low

41 ⁽¹⁾

No Ignition Signal

42

Crank Angle Sensor (CAS) Circuit Check

51 ⁽²⁾

EGR System Circuit Check

52 ⁽²⁾

Fuel Injector Check

⁽¹⁾	Code 41 is not stored in ECM memory. To check code when engine fails to start, crank engine, then with ignition still on, install fuse in diagnostic terminal of fuse block.

⁽²⁾	Applicable to California models only.