P0566low severityPowertrain
Cruise Control Off Signal Malfunction
on 2023 Chevrolet Bolt EUV 65 kWh Single Motor FWD · FWD
What this code means
The PCM has detected a fault in the cruise control 'off' signal circuit. This may cause improper disengagement or operation of the cruise system.
Symptoms
- Cruise won't disengage properly
- Erratic cruise behavior
- No response to off switch
Common causes
- Faulty cruise control switch
- Wiring or connector fault
- Clock spring failure
- PCM fault
Diagnostic steps
- Test off switch signal
- Inspect wiring and connectors
- Verify signal reaching PCM
- Replace switch or repair circuit
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