OBD Guide
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B2472

Fog Lamp Switch Failure

B2472 is an OBD-II diagnostic trouble code meaning: Fog Lamp Switch Failure. Common causes: fog light switch malfunction, open or short circuit in wiring harness. Estimated repair cost: $11–56.

Severity
✅ Low
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$11–56 (est.)

Symptoms

  • Fog lights don't turn on
  • Fog lights turn on by themselves
  • Flashing fog lights without driver command

Causes

  • Fog light switch malfunction
  • Open or short circuit in wiring harness
  • Problems with contacts in connectors
  • Malfunction of the fog lamp control relay

How to Fix

  1. Check the operation of the fog light switch
  2. Inspect the wiring harness and connectors for damage.
  3. Check the relays and fuses of the fog lamp circuit
  4. If necessary, replace the switch or repair the wiring harness

Related codes

B2473B2474B2471

FAQ

What does the B2472 code mean?

B2472 is an OBD-II diagnostic trouble code that indicates: Fog Lamp Switch Failure

What causes a B2472 error code?

The most common causes of B2472 include: Fog light switch malfunction; Open or short circuit in wiring harness; Problems with contacts in connectors; Malfunction of the fog lamp control relay.

How do I fix a B2472 diagnostic trouble code?

To fix B2472: Check the operation of the fog light switch. Inspect the wiring harness and connectors for damage.. Check the relays and fuses of the fog lamp circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2472?

Limited driving only, diagnose soon

How much does it cost to fix B2472?

The estimated repair cost for B2472 is $11–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat