Conditions for Setting the DTC
WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
B1AA0
The CCSM detects the driver seat cushion temperature sensor voltage is greater than 4.73 volts or 242 counts for more than 4 seconds.
B1AA1
The CCSM detects the driver seat back temperature sensor voltage is greater than 4.73 volts or 242 counts for more than 4 seconds.
B2730
- The CCSM detects an open in the seat cushion blower speed control circuit.
- The CCSM detects a short to ground on the driver seat back temperature sensor signal circuit for more than 4 seconds.