OBD Guide
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B1435

Wiper Hi/Low Speed Relay Coil Circuit Open

B1435 is an OBD-II diagnostic trouble code meaning: Wiper Hi/Low Speed Relay Coil Circuit Open. Common causes: broken or damaged wiring harness, wiper speed relay malfunction. Estimated repair cost: $22–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • Lack of high speed wipers
  • No low speed wipers
  • Windshield wipers only operate at one speed

Causes

  • Broken or damaged wiring harness
  • Wiper speed relay malfunction
  • Problems in the control unit
  • Corrosion of relay contacts

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the condition of the wiper speed relay
  3. Clean or replace corroded contacts
  4. If necessary, replace the relay
  5. Check the control unit for errors

Related codes

B1436B1437

FAQ

What does the B1435 code mean?

B1435 is an OBD-II diagnostic trouble code that indicates: Wiper Hi/Low Speed Relay Coil Circuit Open

What causes a B1435 error code?

The most common causes of B1435 include: Broken or damaged wiring harness; Wiper speed relay malfunction; Problems in the control unit; Corrosion of relay contacts.

How do I fix a B1435 diagnostic trouble code?

To fix B1435: Check the integrity of the wiring harness. Check the condition of the wiper speed relay. Clean or replace corroded contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1435?

Limited driving only, diagnose soon

How much does it cost to fix B1435?

The estimated repair cost for B1435 is $22–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat