2010 Cadillac Truck SRX AWD V6-3.0L Page 266
- All Door Unlatch Circuit Short to Battery
DTC B251A 02
- All Door Unlatch Circuit Short to Ground
DTC B251B 02
- Driver Door Unlatch High Control Circuit Short to Ground
DTC B251B 04
- Driver Door Unlatch High Control Circuit Open
DTC B251C 04
- Passenger Door Unlatch High Control Circuit Open
DTC B251D 04
- Left Rear Door Unlatch High Control Circuit Open
DTC B251E 04
- Right Rear Door Unlatch High Control Circuit Open
Diagnostic Fault Information
Circuit/System Description
The system is designed so that when the operator approaches a locked vehicle with the keyless entry transmitter, the keyless entry control module
will detect the keyless entry transmitter and when an exterior door handle is pulled the keyless entry control module will command all doors to
unlock and the door to unlatch allowing the door to be pulled open.
Conditions for Running the DTC
The system voltage is 9-16 V.
Conditions for Setting the DTC
B251A 01
The keyless entry control module detects a short to voltage on the passenger or left rear or right rear door latch motor unlatch low control circuit.
B251A 02
The keyless entry control module detects a short to ground on the passenger or left rear or right rear door latch motor unlatch low control circuit.
B251A 02
The BCM detects a short to ground on the passenger door lock actuator unlock control circuit.
