P0612high severityPowertrain
Fuel Injector Control Module Relay Control Circuit
on 2023 Chevrolet Bolt EUV 65 kWh Single Motor FWD · FWD
What this code means
The PCM detected a fault in the relay control circuit for the fuel injector control module. This can interrupt power to the injectors.
Symptoms
- Engine stalls or won't start
- Misfire under load
- Injector operation intermittent
Common causes
- Faulty injector control relay
- Relay control circuit wiring fault
- Corroded relay socket
- Faulty PCM driver
Diagnostic steps
- Check injector control relay operation
- Test relay control circuit wiring
- Inspect relay socket and connectors
- Replace relay or repair circuit
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