OBD Guide
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B1465

Wiper Brake/Run Relay Circuit Open

B1465 is an OBD-II diagnostic trouble code meaning: Wiper Brake/Run Relay Circuit Open. Common causes: broken wires in the harness, oxidation of relay contacts. Estimated repair cost: $22–56.

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

Symptoms

  • Windshield wipers don't work
  • Intermittent wiper operation
  • Windshield wipers turn on spontaneously

Causes

  • Broken wires in the harness
  • Oxidation of relay contacts
  • Wiper relay malfunction
  • Corrosion in connectors
  • Malfunction of the windshield wiper control unit

How to Fix

  1. Check power and ground to windshield wiper relay
  2. Check the integrity of the wiring harness
  3. Clean or replace oxidized contacts
  4. Replace wiper relay
  5. Check the windshield wiper control unit

Related codes

B1466B1467B1468

FAQ

What does the B1465 code mean?

B1465 is an OBD-II diagnostic trouble code that indicates: Wiper Brake/Run Relay Circuit Open

What causes a B1465 error code?

The most common causes of B1465 include: Broken wires in the harness; Oxidation of relay contacts; Wiper relay malfunction; Corrosion in connectors.

How do I fix a B1465 diagnostic trouble code?

To fix B1465: Check power and ground to windshield wiper relay. Check the integrity of the wiring harness. Clean or replace oxidized contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1465?

Limited driving only, diagnose soon

How much does it cost to fix B1465?

The estimated repair cost for B1465 is $22–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat