Starter Request Circuit
The starter request input - the signal that tells the ECU the driver wants to crank the engine - shows a circuit fault. Without it the engine cannot be started under software-managed start strategies (stop-start, push-button, immobiliser-coordinated start).
Affected components
- Starter request input
- Ignition switch
Common causes
- High likelihood: Open in switch or harness
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.