P0680low severityPowertrain
Cylinder 10 Glow Plug Circuit
on 2023 Chevrolet Bolt EUV 65 kWh Single Motor FWD · FWD
What this code means
The PCM detected a fault in the glow plug control circuit for cylinder 10. Faulty glow plugs lead to hard starting and rough operation when cold.
Symptoms
- Hard cold starting
- Rough idle when cold
- Warning lamp on
Common causes
- Faulty glow plug cylinder 10
- Corroded wiring
- Bad glow plug control module
- Blown fuse or relay
Diagnostic steps
- Scan for glow plug codes
- Measure cylinder 10 glow plug resistance
- Check wiring and connectors
- Test control module voltage
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