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1999 CHEVROLET LUMINA
3.8L V6•FWD•AUTOMATIC•gas
3 active safety recalls on this vehicle — view recalls
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Repairs0Labor469Torque1395Fluid7DTC1733Battery1Maintenance0Recalls3
P1482high severityPowertrain

Cooling Fan Speed Output Circuit

on 1999 Chevrolet Lumina 3.8L V6 · 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

  1. Scan for stored codes
  2. Check fan output circuit voltage
  3. Test fan relay and control module
  4. Inspect wiring for shorts
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