Friday, May 7, 2021

2010 Cadillac Truck SRX FWD V6-3.0L Page 272

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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