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2016 CHEVROLET SILVERADO 1500
5.3L V8 EcoTec3 L83•RWD•AUTOMATIC•gas
11 active safety recalls on this vehicle — view recalls
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Repairs421Labor499Torque4352Fluid8DTC1242Battery1Maintenance0Recalls11
B2735low severityBody

Rear Fog Lamp Relay Circuit Failure

on 2016 Chevrolet Silverado 1500 5.3L V8 EcoTec3 L83 · RWD

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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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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