B3596

Hazard Lamps Request Circuit Malfunction

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$22–111 (est.)

Symptoms

Hazard alarm does not turn on
The hazard lights flash intermittently
The malfunction indicator on the dashboard is on

Causes

Open or short circuit in wiring harness
Alarm relay malfunction
Problems with the hazard warning button
Oxidation of contacts in connectors
Body Module (BCM) Malfunction

How to Fix

Check the hazard warning circuit fuse
Inspect the wiring harness for damage
Check the operation of the alarm relay
Test the hazard warning button
Check the contacts in the circuit connectors
If necessary, replace faulty components

Related codes

B3595 B3597 B1000