Diagnostic Fault Information

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

DTC B1925 or B2170

Circuit	Short to Ground	Open/High Resistance	Short to Voltage	Signal Performance
Left Rear Heated Seat Back Element Control	B2345 00 B2508 02	B1935 0C	B2345 00 B2508 01	B1935 0B
Left Rear Heated Seat Cushion Element Control	B2345 00 B2508 02	B2425 0C	B2345 00 B2508 01	B2425 0B
Left Rear Heated Seat Back Element Supply Voltage	B2508 02	B1935 0C	B2345 00 B2508 01	B1935 0B
Left Rear Heated Seat Cushion Element Supply Voltage	B2508 02	B2425 0C	B2345 00 B2508 01	B2425 0B
Left Rear Heated Seat Back Temperature Sensor Low Reference	-	B1935 04 B1935 1F	-	-
Left Rear Heated Seat Cushion Temperature Sensor Low Reference	-	B2425 04 B2425 1F	-	-
Left Rear Heated Seat Back Temperature Sensor Signal	B2435 02	B1935 04 B1935 1F	B1935 04 B1935 1F	B1935 0A
Left Rear Heated Seat Cushion Temperature Sensor Signal	B1925 02 B2425 1F	B2425 04 B2425 1F	B2425 04 B2425 1F	B2425 0A
Right Rear Heated Seat Back Element Control	B2345 00 B2508 02	B2180 0C	B2345 00 B2508 01	B2180 0B
Right Rear Heated Seat Cushion Element Control	B2345 00 B2508 02	B2430 0C	B2345 00 B2508 01	B2430 0B
Right Rear Heated Seat Back Element Supply Voltage	B2508 02	B2180 0C	B2345 00 B2508 01	B2180 0B
Right Rear Heated Seat Cushion Element Supply Voltage	B2508 02	B2430 0C	B2345 00 B2508 01	B2430 0B
Right Rear Heated Seat Back Temperature Sensor Low Reference	-	B2180 04 B2180 1F	-	-
Right Rear Heated Seat Cushion Temperature Sensor Low Reference	-	B2430 04 B2430 1F	-	-
Right Rear Heated Seat Back Temperature Sensor Signal	B2440 02	B2180 04 B2180 1F	B2180 04 B2180 1F	B2180 0A
Right Rear Heated Seat Cushion Temperature Sensor Signal	B2170 02 B2430 1F	B2430 04 B2430 1F	B2430 04 B2430 1F	B2430 0A