OBD Guide
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B1458

Wiper Washer Pump Motor Relay Circuit Failure

B1458 is an OBD-II diagnostic trouble code meaning: Wiper Washer Pump Motor Relay Circuit Failure. Common causes: faulty washer pump relay, open or short circuit in wiring harness. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Windshield washer does not work
  • No pump sound when activated
  • Fault indication on the instrument panel

Causes

  • Faulty washer pump relay
  • Open or short circuit in wiring harness
  • Washer pump failure
  • Circuit fuse problems
  • Control unit malfunction

How to Fix

  1. Check the pump circuit fuse
  2. Diagnose the pump relay (replace if necessary)
  3. Check the integrity of the wiring harness
  4. Test the washer pump
  5. If necessary, replace us stresses='0' nucleusOperationsConclusionJoinom
  6. Check the operation of the control unit

Related codes

B1457B1459B1460

FAQ

What does the B1458 code mean?

B1458 is an OBD-II diagnostic trouble code that indicates: Wiper Washer Pump Motor Relay Circuit Failure

What causes a B1458 error code?

The most common causes of B1458 include: Faulty washer pump relay; Open or short circuit in wiring harness; Washer pump failure; Circuit fuse problems.

How do I fix a B1458 diagnostic trouble code?

To fix B1458: Check the pump circuit fuse. Diagnose the pump relay (replace if necessary). Check the integrity of the wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1458?

Limited driving only, diagnose soon

How much does it cost to fix B1458?

The estimated repair cost for B1458 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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