OBD Guide
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B2248

Heated Windshield Relay Coil Circuit Failure

B2248 is an OBD-II diagnostic trouble code meaning: Heated Windshield Relay Coil Circuit Failure. Common causes: faulty heating relay, open or short circuit in control circuit. Estimated repair cost: $22–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • Heated windshield does not work
  • Windshield fogging
  • Malfunction indicator on the dashboard

Causes

  • Faulty heating relay
  • Open or short circuit in control circuit
  • Poor contact in connectors
  • Wiring harness damage
  • Control unit malfunction

How to Fix

  1. Check the heating circuit fuse
  2. Inspect the heating relay for damage
  3. Check the integrity of wires and connectors
  4. Measure the resistance of the relay winding
  5. Replace relay if necessary
  6. Check the operation of the system after repair

Related codes

B2247B2249

FAQ

What does the B2248 code mean?

B2248 is an OBD-II diagnostic trouble code that indicates: Heated Windshield Relay Coil Circuit Failure

What causes a B2248 error code?

The most common causes of B2248 include: Faulty heating relay; Open or short circuit in control circuit; Poor contact in connectors; Wiring harness damage.

How do I fix a B2248 diagnostic trouble code?

To fix B2248: Check the heating circuit fuse. Inspect the heating relay for damage. Check the integrity of wires and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2248?

Limited driving only, diagnose soon

How much does it cost to fix B2248?

The estimated repair cost for B2248 is $22–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat