P1482high severityPowertrain
Cooling Fan Speed Output Circuit
on 2023 Chevrolet Bolt EUV 65 kWh Single Motor FWD · FWD
What this code means
The control module cannot properly command cooling fan speed output. This can lead to engine overheating.
Symptoms
- Engine overheating
- Fan not responding to commands
- Check engine light on
Common causes
- Faulty fan control module
- Open or shorted output circuit
- Bad cooling fan relay
- Damaged wiring
Diagnostic steps
- Scan for stored codes
- Check fan output circuit voltage
- Test fan relay and control module
- Inspect wiring for shorts
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