B2663
Headlamp Relay Output Short to Battery
B2663 is an OBD-II diagnostic trouble code meaning: Headlamp Relay Output Short to Battery. Common causes: short circuit in relay control circuit wiring, faulty headlight relay. Estimated repair cost: $33–111.
Symptoms
- The headlights are constantly on, even when the ignition is turned off.
- Blown headlight circuit fuses
- Inability to turn off headlights in the normal way
Causes
- Short circuit in relay control circuit wiring
- Faulty headlight relay
- Damage to the wiring harness in the relay area
- Short circuit in the control module
How to Fix
- Check the condition of the headlight relay and replace if necessary
- Inspect wiring for damage and short circuits
- Check the integrity of the headlight circuit fuses
- If necessary, diagnose the control module
Related codes
FAQ
What does the B2663 code mean?
B2663 is an OBD-II diagnostic trouble code that indicates: Headlamp Relay Output Short to Battery
What causes a B2663 error code?
The most common causes of B2663 include: Short circuit in relay control circuit wiring; Faulty headlight relay; Damage to the wiring harness in the relay area; Short circuit in the control module.
How do I fix a B2663 diagnostic trouble code?
To fix B2663: Check the condition of the headlight relay and replace if necessary. Inspect wiring for damage and short circuits. Check the integrity of the headlight circuit fuses. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B2663?
Limited driving only, diagnose soon
How much does it cost to fix B2663?
The estimated repair cost for B2663 is $33–111. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat