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.
B19A4
The CCSM detects a short to B+ on the driver seat back blower speed control circuit.
B19A8
The CCSM detects a short to ground on the driver seat back blower speed control circuit.
B103D
The CCSM detects a short to ground on the driver seat blower control circuit.
B272E
- The CCSM detects an open in the low reference circuit to driver seat blowers.
- The CCSM detects a short to B+ on the control circuit to driver seat blowers.
- The CCSM detects an open in the driver seat back blower control circuit.