Exterior Illumination Lamp
Table of contents
B263A CADILLAC Possible Causes
- Faulty Exterior Illumination Lamp
- Exterior Illumination Lamp harness is open or shorted
- Exterior Illumination Lamp circuit poor electrical connection
- Faulty Body Control Module (BCM)
How do I fix code B263A CADILLAC?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Tech Notes
- B263A 02 Exterior Illumination Lamp Circuit Short to Ground
- B263A 04 Exterior Illumination Lamp Circuit Open
Cost of diagnosing the B263A CADILLAC code
The cost of diagnosing the B263A CADILLAC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B263A CADILLAC Description
The Body Control Module (BCM) supplies battery voltage to each exterior door handles LED backlighting, the LED lighting located under each outside rearview mirror for approach lighting, and both running board steps courtesy lamps when equipped. When the keyless entry transmitter is operated to the lock/unlock functions the LED lighting located under each outside rearview mirror, exterior door handles, and both running board steps are commanded ON for approach lighting.