OBD Guide
ENFRDEESPT

B1477

Wiper Hi/Low Circuit Motor Short To Ground

B1477 is an OBD-II diagnostic trouble code meaning: Wiper Hi/Low Circuit Motor Short To Ground. Common causes: wiring harness damage, wiper motor malfunction. Estimated repair cost: $22–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–89 (est.)

Symptoms

  • Windshield wipers don't work
  • Windshield wipers only operate at one speed
  • Wiper circuit fuse blown

Causes

  • Wiring harness damage
  • Wiper motor malfunction
  • Short circuit in relay
  • Problems with contacts in connectors

How to Fix

  1. Check the windshield wiper circuit fuse
  2. Inspect the wiring harness for damage
  3. Check the operation of the windshield wiper motor
  4. Diagnose relays and contacts in connectors
  5. Replace faulty components

Related codes

B1470B1475B1478

FAQ

What does the B1477 code mean?

B1477 is an OBD-II diagnostic trouble code that indicates: Wiper Hi/Low Circuit Motor Short To Ground

What causes a B1477 error code?

The most common causes of B1477 include: Wiring harness damage; Wiper motor malfunction; Short circuit in relay; Problems with contacts in connectors.

How do I fix a B1477 diagnostic trouble code?

To fix B1477: Check the windshield wiper circuit fuse. Inspect the wiring harness for damage. Check the operation of the windshield wiper motor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1477?

Limited driving only, diagnose soon

How much does it cost to fix B1477?

The estimated repair cost for B1477 is $22–89. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat