2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 449
* 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 B1325 03
- Device Power Circuit Voltage Below Threshold
DTC B1325 07
- Device Power Circuit Voltage Above Threshold
Diagnostic Fault Information
Circuit/System Description
The following control modules monitor the system voltage through the battery positive (B+) voltage circuits:
* Headlamp control module
* Passenger presence detection module
* Seat heating control module (front)
* Seat heating control module (rear)
* Instrument cluster
* Parking assist control module
* Keyless entry control module
* Radio
* Inflatable restraint sensing and diagnostic module
* Steering column lock control module
* Trailer interface control module
* Mobile telephone control module
* Multimedia player interface module
* Rear audio control module
* Seat memory control module
Conditions for Running the DTC
* The voltages supplied to the control modules are in the range of 7-26 V.
* The ignition is ON.
Conditions for Setting the DTC
B1325 03
The control module detects a system voltage less than 9 V for 5 seconds.
B1325 07
The control module detects a system voltage greater than 18 V for 5 seconds.
Action Taken When the DTC Sets
* The control module immediately disables all outputs when an out of range voltage condition has been detected, with the exception of serial
data, which is disabled after a 3 minute delay.
* The setting of other DTCs is inhibited.
Conditions for Clearing the DTC
The DTC passes when the malfunction is no longer present.
