OBD Guide
ENFRDEESPT

B1753

Hazard Flash Output Circuit Failure

B1753 is an OBD-II diagnostic trouble code meaning: Hazard Flash Output Circuit Failure. Common causes: open or short circuit in wiring harness, faulty alarm relay. Estimated repair cost: $22–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • Hazard lights don't work
  • Hazard lights turn on spontaneously
  • Hazard lights flashing at the wrong frequency

Causes

  • Open or short circuit in wiring harness
  • Faulty alarm relay
  • Body Control Module (BCM) Problems
  • Corrosion of contacts or connectors

How to Fix

  1. Check the wiring harness for breaks and short circuits
  2. Check hazard warning relay
  3. Diagnose the body control module (BCM)
  4. Clean or replace corroded contacts

Related codes

B1751B1752B1754

FAQ

What does the B1753 code mean?

B1753 is an OBD-II diagnostic trouble code that indicates: Hazard Flash Output Circuit Failure

What causes a B1753 error code?

The most common causes of B1753 include: Open or short circuit in wiring harness; Faulty alarm relay; Body Control Module (BCM) Problems; Corrosion of contacts or connectors.

How do I fix a B1753 diagnostic trouble code?

To fix B1753: Check the wiring harness for breaks and short circuits. Check hazard warning relay. Diagnose the body control module (BCM). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1753?

Limited driving only, diagnose soon

How much does it cost to fix B1753?

The estimated repair cost for B1753 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat