Front Fog Lamp Switch Circuit Low
Table of contents
B2742 CADILLAC Possible Causes
- Faulty Front Fog Lamp Switch
- Front Fog Lamp Switch harness is open or shorted
- Front Fog Lamp Switch circuit poor electrical connection
- Faulty Body Control Module (BCM)
How do I fix code B2742 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 B2742 CADILLAC code
The cost of diagnosing the B2742 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)
B2742 CADILLAC Description
The fog lamp switch provides a ground input into the Body Control Module (BCM) for the fog lamp switch state input when the switch is pressed. This input is used by the BCM to control the fog lamps. The Diagnostic Trouble Code (DTC) sets when the BCM detects a short to ground in the fog lamp switch signal circuit for longer than 60 seconds.