OBD Guide
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B1473

Wiper Low Speed Circuit Motor Failure

B1473 is an OBD-II diagnostic trouble code meaning: Wiper Low Speed Circuit Motor Failure. Common causes: open or short circuit in the circuit, wiper relay malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Windshield wiper does not work at low speed
  • The windshield wiper only operates at high speed
  • Intermittent wiper operation

Causes

  • Open or short circuit in the circuit
  • Wiper relay malfunction
  • Wiper motor damage
  • Problems in the wiring harness
  • Control unit malfunction

How to Fix

  1. Check the integrity of the circuit and wiring harness
  2. Check wiper relay
  3. Check the wiper motor
  4. Check the control unit for errors
  5. Replace faulty components

Related codes

B1474B1475

FAQ

What does the B1473 code mean?

B1473 is an OBD-II diagnostic trouble code that indicates: Wiper Low Speed Circuit Motor Failure

What causes a B1473 error code?

The most common causes of B1473 include: Open or short circuit in the circuit; Wiper relay malfunction; Wiper motor damage; Problems in the wiring harness.

How do I fix a B1473 diagnostic trouble code?

To fix B1473: Check the integrity of the circuit and wiring harness. Check wiper relay. Check the wiper motor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1473?

Limited driving only, diagnose soon

How much does it cost to fix B1473?

The estimated repair cost for B1473 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat