OBD Guide
ENFRDEESPT

B1459

Wiper Washer Pump Motor Relay Coil Circuit Open

B1459 is an OBD-II diagnostic trouble code meaning: Wiper Washer Pump Motor Relay Coil Circuit Open. Common causes: break in the wiring harness, faulty washer pump relay. Estimated repair cost: $11–33.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$11–33 (est.)

Symptoms

  • Windshield washer does not work
  • No sound from the pump when the washer is turned on

Causes

  • Break in the wiring harness
  • Faulty washer pump relay
  • Poor contact in connectors
  • Problems with the control unit

How to Fix

  1. Check the integrity of the wiring harness in the area from the relay to the control unit
  2. Check the condition of the washer pump relay
  3. Inspect and clean the contacts in the connectors
  4. If necessary, replace relays or damaged wires

Related codes

B1460B1461

FAQ

What does the B1459 code mean?

B1459 is an OBD-II diagnostic trouble code that indicates: Wiper Washer Pump Motor Relay Coil Circuit Open

What causes a B1459 error code?

The most common causes of B1459 include: Break in the wiring harness; Faulty washer pump relay; Poor contact in connectors; Problems with the control unit.

How do I fix a B1459 diagnostic trouble code?

To fix B1459: Check the integrity of the wiring harness in the area from the relay to the control unit. Check the condition of the washer pump relay. Inspect and clean the contacts in the connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1459?

Yes, but get it checked soon

How much does it cost to fix B1459?

The estimated repair cost for B1459 is $11–33. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat