OBD Guide
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B1450

Wiper Wash/Delay Switch Circuit Failure

B1450 is an OBD-II diagnostic trouble code meaning: Wiper Wash/Delay Switch Circuit Failure. Common causes: open or short circuit in wiring harness, wiper/washer switch malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Windshield wipers don't work
  • Windshield washer does not work
  • Incorrect operation of the wiper modes

Causes

  • Open or short circuit in wiring harness
  • Wiper/washer switch malfunction
  • Wiper relay problems
  • Body Control Module (BCM) Malfunction

How to Fix

  1. Check the wiring harness for breaks or short circuits
  2. Check wiper/washer switch
  3. Check wiper relay
  4. Check Body Control Module (BCM)

Related codes

B1451B1452

FAQ

What does the B1450 code mean?

B1450 is an OBD-II diagnostic trouble code that indicates: Wiper Wash/Delay Switch Circuit Failure

What causes a B1450 error code?

The most common causes of B1450 include: Open or short circuit in wiring harness; Wiper/washer switch malfunction; Wiper relay problems; Body Control Module (BCM) Malfunction.

How do I fix a B1450 diagnostic trouble code?

To fix B1450: Check the wiring harness for breaks or short circuits. Check wiper/washer switch. Check wiper relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1450?

Limited driving only, diagnose soon

How much does it cost to fix B1450?

The estimated repair cost for B1450 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat