G2: FAQ: Error Codes And Definitions

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This is a list of all the error codes that can be stored in the ECU and DPMS unit. Click on the description for more specific information on that code, troubleshooting/diagnosis, and possible solutions.

Contents

CEL Codes

Code Definition
0Engine Control Module (ECM, ECU, PCM)
1Left Heated Oxygen Sensor (HO2S)
2Right Heated Oxygen Sensor (HO2S)
3Manifold Absolute Pressure (MAP Sensor)
4Crankshaft Position 1 (CKP Sensor)
5Manifold Absolute Pressure (MAP Sensor)
6Engine Coolant Temperature (ECT Sensor)
7Throttle Position (TP Sensor, TPS)
9No. 1 Cylinder Position (CYP Sensor)
10Intake Air Temperature (IAT Sensor)
12Exhaust Gas Recirculation (EGR Valve Life Sensor)
13Barometric Pressure (Baro Sensor)
14Idle Air Control (IAC Valve)
15Ignition Output Signal
16Fuel Injector
17Vehicle Speed Sensor (VSS)
18Ignition Timing Adjustment
23Left Knock Sensor
35TC STB Sensor
36TCFC Sensor
41Left Heated Oxygen Sensor Heater
42Right Heated Oxygen Sensor Heater
43Left Fuel Supply System
44Right Fuel Supply System
45Left Fuel Metering
46Right Fuel Metering
53Right Knock Sensor
54Crankshaft Position 2 (CKP Sensor)
59No. 1 Cylinder Position 2 (CYP Sensor)


ABS Codes

Main Code Sub Code Definition
1NoneABS Pump Motor Over-Run
2ABS Pump Motor Circuit Problem
3High Pressure Leakage
4Pressure Switch
8Accumulator Gas Leakage
21Parking Brake Switch-Related Problem
31Front Right Pulser
2Front Left Pulser
4Rear Right/Left Pulser
41Front Right Wheel Sensor
2Front Left Wheel Sensor
4Rear Right Wheel Sensor
8Rear Left Wheel Sensor
5NoneRear Right/Left Wheel Sensors
4Rear Right Wheel Sensor
8Rear Left Wheel Sensor
6NoneFront/Rear Fail-Safe Relays
1Front Fail-Safe Relay
4Rear Fail-Safe Relay
71Front Right Solenoid Related Problem
2Front Left Solenoid Related Problem
4Rear Right/Left Solenoid Related Problem


TCS Codes

Main Code Sub Code Definition
12TCS Control Unit
2NoneParking Brake
21Steering Angle Sensor
23Lg Sensor
31PGM-FI System
32Engine Speed (NEP) Signal
34Abnormal Reference Voltage (VREF) Signal
35Abnormal Barometric Pressure (BARO) Sensor Signal
36Abnormal Throttle Position Sensor (TPS) Signal
37Abnormal TCS Control Valve Angle Sensor Signal
41Right Front Wheel Sensor
42Left Front Wheel Sensor
44Right Rear Wheel Sensor
48Left Rear Wheel Sensor
49All Wheel Sensors
51Abnormal Fail-Safe Relay, TCS Control Valve Actuator, Or TCS Control Valve Assembly
52TCS Control Valve Actuator Voltage Low
53Abnormal Back-Up Voltage
61Powertrain Control Module


D4 Codes

Code Definition
1Lock-Up Control Solenoid Valve A
2Lock-Up Control Solenoid Valve B
3Throttle Position Sensor (TPS)
4Vehicle Speed Sensor (VSS)
5AT Gear Position Switch
6AT Gear Position Switch
7Shift Control Solenoid Valve A
8Shift Control Solenoid Valve B
9Countershaft Speed Sensor
10Engine Coolant Temperature Sensor (ECT)
11ECM
14ECM
15Mainshaft Speed Sensor
16Linear Solenoid
17Kick-Down Switch


DPMS Codes

Code Definition
1Slide Switch
2Recline Switch
3Front Up-Down Switch
4Rear Up-Down Switch
5Tilt Switch
6Extend-Retract Switch
11Slide Switch or Relay
12Recline Switch or Relay
13Front Up-Down Switch or Relay
14Rear Up-Down Switch or Relay
15Tilt Switch or Relay
16Extend-Retract Switch or Relay
21MEMO Button
22Position Button 1
23Position Button 2
24Forward Slide Switch
25Backward Slide Switch
26Forward Recline Switch
27Backward Recline Switch
28Front Up Switch
29Front Down Switch
30Rear Up Switch
31Rear Down Switch
32Tilt Up Switch
33Tilt Down Switch
34Extend Switch
35Retract Switch
36Ignition Switch


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G2: DIY: Diagnosis: Pulling Codes
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