Backup Lamps Control Circuit
Table of contents
B2550 CADILLAC Possible Causes
- Faulty Body Control Module (BCM)
- Body Control Module (BCM) harness is open or shorted
- Body Control Module (BCM) circuit poor electrical connection
How do I fix code B2550 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.
Cost of diagnosing the B2550 CADILLAC code
The cost of diagnosing the B2550 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)
B2550 CADILLAC Description
When the Body Control Module (BCM) receives a signal requesting to illuminate the backup lamps, the battery voltage is sent directly from the BCM through the backup lamp supply voltage circuit to the backup lamps. Voltage for the backup lamp supply voltage circuit as well as the courtesy lamp supply voltage circuit directly through the BCM to these circuits.