OBD Guide

B0283

Electric Rear Defrost Circuit Malfunction

B0283 is an OBD-II diagnostic trouble code meaning: Electric Rear Defrost Circuit Malfunction. Common causes: blown fuse, faulty heating relay. Estimated repair cost: $11–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$11–56 (est.)

Symptoms

  • Heated rear window does not work
  • Heating indicator does not light up
  • The fuse blows when the heating is turned on

Causes

  • Blown fuse
  • Faulty heating relay
  • Open or short circuit in wiring harness
  • Damage to the heating elements on the glass
  • Malfunction of the heating button

How to Fix

  1. Check and replace the heating circuit fuse
  2. Check the heating relay and replace if necessary
  3. Inspect the wiring harness for damage
  4. Check the integrity of the heating elements on the rear window
  5. Check the heating button

Related codes

Error B0283 by Vehicle Brand

FAQ

What does the B0283 code mean?

B0283 is an OBD-II diagnostic trouble code that indicates: Electric Rear Defrost Circuit Malfunction

What causes a B0283 error code?

The most common causes of B0283 include: Blown fuse; Faulty heating relay; Open or short circuit in wiring harness; Damage to the heating elements on the glass.

How do I fix a B0283 diagnostic trouble code?

To fix B0283: Check and replace the heating circuit fuse. Check the heating relay and replace if necessary. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0283?

Limited driving only, diagnose soon

How much does it cost to fix B0283?

The estimated repair cost for B0283 is $11–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat