OBD Guide

B1456

Wiper Washer Fluid Lamp Circuit Short To Battery

B1456 is an OBD-II diagnostic trouble code meaning: Wiper Washer Fluid Lamp Circuit Short To Battery. Common causes: shorting the wiring to the positive line, control unit malfunction. Estimated repair cost: $6–33.

Severity
Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–33 (est.)

Symptoms

  • The washer light comes on when the fluid level is normal
  • The lamp does not light up when the level is low
  • Flashing or uneven lamp operation

Causes

  • Shorting the wiring to the positive line
  • Control unit malfunction
  • Damage to the liquid level sensor
  • Wiring Harness Problems

How to Fix

  1. Check the fluid level in the washer reservoir
  2. Inspect the wiring and connections of the lamp circuit
  3. Check the resistance of the level sensor
  4. Test the operation of the control unit
  5. If necessary, replace damaged elements

Related codes

FAQ

What does the B1456 code mean?

B1456 is an OBD-II diagnostic trouble code that indicates: Wiper Washer Fluid Lamp Circuit Short To Battery

What causes a B1456 error code?

The most common causes of B1456 include: Shorting the wiring to the positive line; Control unit malfunction; Damage to the liquid level sensor; Wiring Harness Problems.

How do I fix a B1456 diagnostic trouble code?

To fix B1456: Check the fluid level in the washer reservoir. Inspect the wiring and connections of the lamp circuit. Check the resistance of the level sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1456?

Yes, but get it checked soon

How much does it cost to fix B1456?

The estimated repair cost for B1456 is $6–33. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat