Passenger Seat Temperature Request Circuit
Table of contents
B242D CADILLAC Possible Causes
- Faulty Seat Blower Assembly
- Seat Blower Assembly harness is open or shorted
- Seat Blower Assembly circuit poor electrical connection
- Faulty Body Control Module (BCM)
How do I fix code B242D 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 B242D CADILLAC code
The cost of diagnosing the B242D 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)
B242D CADILLAC Description
When a heated or cooled seat switch is pressed, a LIN Bus message is sent to the Body Control Module (BCM) indicating the heated or cooled seat request. The BCM then sends a low side Pulse Width Modulation (PWM) signal through the heated/cooled seat mode signal circuit to the seat back and seat cushion blower assemblies for the appropriate seat.