OBD Guide

B3708

Front Washer Motor Input High

B3708 is an OBD-II diagnostic trouble code meaning: Front Washer Motor Input High. Common causes: short circuit to positive in the control circuit, washer relay malfunction. Estimated repair cost: $11–56.

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

Symptoms

  • Front windshield washer does not work
  • Error message on the dashboard
  • Inability to activate the washer

Causes

  • Short circuit to positive in the control circuit
  • Washer relay malfunction
  • Wiring harness damage
  • Problems with the control unit
  • Washer motor malfunction

How to Fix

  1. Check washer circuit fuse
  2. Inspect the wiring harness for damage
  3. Check washer relay
  4. Test the washer motor
  5. Check control circuit for short circuit
  6. If necessary, replace faulty components

Related codes

Error B3708 by Vehicle Brand

FAQ

What does the B3708 code mean?

B3708 is an OBD-II diagnostic trouble code that indicates: Front Washer Motor Input High

What causes a B3708 error code?

The most common causes of B3708 include: Short circuit to positive in the control circuit; Washer relay malfunction; Wiring harness damage; Problems with the control unit.

How do I fix a B3708 diagnostic trouble code?

To fix B3708: Check washer circuit fuse. Inspect the wiring harness for damage. Check washer relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B3708?

Limited driving only, diagnose soon

How much does it cost to fix B3708?

The estimated repair cost for B3708 is $11–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat