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2022 CHEVROLET BOLT EUV
65 kWh Single Motor FWD•FWD•AUTOMATIC•ev
4 active safety recalls on this vehicle — view recalls
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Repairs0Labor314Torque3680Fluid5DTC849Battery1Maintenance0Recalls4
B2735low severityBody

Rear Fog Lamp Relay Circuit Failure

on 2022 Chevrolet Bolt EUV 65 kWh Single Motor FWD · FWD

What this code means

The rear fog lamp relay control circuit has failed, so the fog lamps won't operate properly. No direct OBD P-code equivalent.

Symptoms

  • Rear fog lamps inoperative
  • Fog lamp stuck on
  • Warning indicator lit

Common causes

  • Failed fog lamp relay
  • Open or shorted relay circuit
  • Blown fuse
  • Faulty body control module

Diagnostic steps

  1. Check fog lamp fuse
  2. Test relay operation
  3. Verify circuit continuity
  4. Check module control output
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