OBD Guide
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B1472

Lamp Headlamp Input Circuit Short To Ground

B1472 is an OBD-II diagnostic trouble code meaning: Lamp Headlamp Input Circuit Short To Ground. Common causes: wiring harness damage, short circuit in relay. Estimated repair cost: $22–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • Headlights don't work
  • The headlights are dim
  • Flashing headlights
  • Blown fuses

Causes

  • Wiring harness damage
  • Short circuit in relay
  • Control unit malfunction
  • Oxidation of contacts
  • Fuse damage

How to Fix

  1. Check wiring harness for damage
  2. Check relays and fuses
  3. Inspect contacts for oxidation
  4. Check the integrity of the headlight control circuit
  5. Replace damaged components

Related codes

B1470B1471B1473

FAQ

What does the B1472 code mean?

B1472 is an OBD-II diagnostic trouble code that indicates: Lamp Headlamp Input Circuit Short To Ground

What causes a B1472 error code?

The most common causes of B1472 include: Wiring harness damage; Short circuit in relay; Control unit malfunction; Oxidation of contacts.

How do I fix a B1472 diagnostic trouble code?

To fix B1472: Check wiring harness for damage. Check relays and fuses. Inspect contacts for oxidation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1472?

Limited driving only, diagnose soon

How much does it cost to fix B1472?

The estimated repair cost for B1472 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat