2010 Cadillac Truck SRX FWD V6-3.0L Page 272
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
DTC Descriptors
DTC B251A 01
- 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
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