Applicable Systems
OBD-II
Symptoms
A fault has been detected in the engine management system. The check engine light may be illuminated.
Possible Causes
- Sensor or actuator circuit fault
- Mechanical component affecting system performance
- Wiring or connector issue in the affected circuit
Troubleshooting Steps
- Step 1: Read freeze frame data to understand conditions when fault occurred
Fault conditions documented - Step 2: Inspect the affected sensor or actuator and its wiring
Faulty component or wiring identified - Step 3: Repair or replace the faulty component and verify
System operates normally after repair
How to Reset
To reset: Clear the DTC with a scan tool after completing the repair.
Source: SAE J2012 OBD-II Diagnostic Trouble Codes, SAE International
Category: OBD-II