Trouble Code Definition

TROUBLE CODE DEFINITION

Code No.

Circuit Affected

CODE 11

Malfunction Indicator Light

12 ⁽¹⁾

No RPM Reference Pulse

CODE 13

Open Oxygen Sensor Circuit

CODE 14

Coolant Temp Sens Sgnl Vltge Low (Hi Temp Indicated)

CODE 15

Coolant Temp Sensor Signal Voltage Low

CODE 16

Opti-Spark Ignition System Low Resolution Pulse

CODE 18

Injector Circuit

CODE 21

Throttle Position Sensor Signal Voltage High

CODE 22

Throttle Position Sensor Signal Voltage Low

CODE 23

IAT Sensor Signal Voltage High (Low Temp Indicated)

CODE 24

Vehicle Speed Sensor

CODE 25

IAT Sensor Signal Voltage Low (High Temp Indicated)

CODE 26

Canister Purge Solenoid

CODE 27

EGR Sol Valve

CODE 28

Trans. Range Pressure Switch

CODE 29

Secondary Air Injection

CODE 32

EGR System Error

CODE 33

MAP Sensor Signal Voltage High

CODE 34

MAP Sensor Signal Voltage Low

CODE 36

Opti-Spark High Resolution Pulse

CODE 37

TCC Brake Switch Error

CODE 38

Brake Switch Error

CODE 41

Opti-Spark Ignition System Open Or Shorted Est Circuit

CODE 42

IC Circuit Grounded

CODE 43

Knock Sensor Circuit (Dual Sensors)

CODE 44

Lean Exhaust Indication

CODE 45

Rich Exhaust Indication

CODE 46

Pass-Key Circuit

CODE 47

Knock Sensor Module

CODE 48

MASS Airflow Sensor

CODE 50

System Voltage Low

CODE 51

Faulty PROM/MEM-CAL

CODE 52

Faulty CAL-PAK

CODE 53

System Voltage High

CODE 55

PCM Error

CODE 55

Fuel Lean Monitor

CODE 58

Trans Temperature Sensor High Temperature

CODE 59

Trans. Temperature Sensor Low Temperature

CODE 66

A/C Pressure Sensor

CODE 67

A/C Pressure Sensor

CODE 68

A/C Relay Circuit Shorted

CODE 69

A/C Compressor Relay

CODE 70

A/C Compressor Relay DriveR

CODE 72

Vehicle Speed Sensor Loss

CODE 73

Pressure Control Solenoid

CODE 74

Traction Control Voltage Low

CODE 75

Transmission Voltage Low

CODE 77

Primary Cooling Fan Driver

CODE 78

Secondary Cooling Fan Driver

CODE 79

Transmission Fluid Overtemp

CODE 81

2-3 Shift Solenoid

CODE 82

1-2 Shift Solenoid

CODE 83

TCC PWM Solenoid - A/T

CODE 84

3-2 Control Solenoid

CODE 85

TCC Stuck On

CODE 90

TCC Solenoid Circuit

CODE 95

Change Oil Light

CODE 96

Low Oil Light

CODE 97

VSS Output Circuit

⁽¹⁾	Display of a Code 12 is normal when reference pulses are not being received by control module (engine not running).