OBD Guide
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B2107

Front Wiper Motor Relay Circuit Short To Battery

B2107 is an OBD-II diagnostic trouble code meaning: Front Wiper Motor Relay Circuit Short To Battery. Common causes: wiring harness damage, faulty wiper relay. Estimated repair cost: $22–111.

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

Symptoms

  • Front windshield wipers do not work
  • Wiper circuit fuse blown
  • Burning smell in the cabin

Causes

  • Wiring harness damage
  • Faulty wiper relay
  • Short circuit in the wiper motor
  • Contact corrosion

How to Fix

  1. Check the windshield wiper circuit fuse
  2. Inspect the wiring harness for damage
  3. Check wiper relay
  4. Check wiper motor for short circuit
  5. Replace damaged components

Related codes

B2106B2108

FAQ

What does the B2107 code mean?

B2107 is an OBD-II diagnostic trouble code that indicates: Front Wiper Motor Relay Circuit Short To Battery

What causes a B2107 error code?

The most common causes of B2107 include: Wiring harness damage; Faulty wiper relay; Short circuit in the wiper motor; Contact corrosion.

How do I fix a B2107 diagnostic trouble code?

To fix B2107: Check the windshield wiper circuit fuse. Inspect the wiring harness for damage. Check wiper relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2107?

Limited driving only, diagnose soon

How much does it cost to fix B2107?

The estimated repair cost for B2107 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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