B0507

Open Or Short To Ground In The LH DRL Relay Control Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$22–56 (est.)

Symptoms

Left DRL won't turn on
Left DRL flashing
Dashboard warning

Causes

Broken wires in the control circuit
Short circuit to ground
DRL relay malfunction
Wiring harness damage
Oxidation of contacts

How to Fix

Check the integrity of the wiring harness
Check DRL relay contacts
Replace DRL relay if necessary
Check the control circuit for open and short circuit
Clean or replace damaged contacts

Related codes

B0508 B0506 B0505