P0818moderate severityPowertrain
Driveline Disconnect Switch Input Circuit
on 2023 Chevrolet Bolt EUV 65 kWh Single Motor FWD · FWD
What this code means
The PCM detected a fault in the driveline disconnect switch input circuit. This can affect proper engagement or disengagement of the driveline.
Symptoms
- Driveline warning light
- Erratic driveline engagement
- No-start in some cases
Common causes
- Faulty driveline disconnect switch
- Damaged wiring or connector
- Corroded contacts
- Faulty PCM
Diagnostic steps
- Scan for related codes
- Test disconnect switch input
- Inspect wiring and connectors
- Verify PCM signal reception
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