Starter Relay Circuit
General electrical fault on the starter relay control circuit driven by the ECU/PCM. Typical symptom is a no-crank or intermittent crank condition.
Affected components
- Starter relay
- Relay wiring
Common causes
- High likelihood: Starter relay failed
- Medium likelihood: Wiring or connector fault
Possible symptoms
- Check engine light on
- Possible limp mode or no-start
- Multiple follow-up faults across modules
- Reset/relearn may be needed after repair
Diagnostic notes
- The malfunction indicator lamp may illuminate
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.