2010 Cadillac Truck SRX AWD V6-3.0L Page 465
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Front Object Alarm Sensor Replacement (See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist
Systems/Parking Assist Distance Sensor/Service and Repair/Front Object Alarm Sensor Replacement)
* Rear Object Sensor Replacement (See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Parking
Assist Distance Sensor/Service and Repair/Rear Object Sensor Replacement)
* Control Module References (See: Testing and Inspection/Programming and Relearning)for parking assist control module replacement,
programming and setup
B1451
DTC B1451
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle)
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis)
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions)
DTC Descriptors
DTC B1451 01
- Accessory Power Circuit Short to Voltage
DTC B1451 02
- Accessory Power Circuit Short to Ground
DTC B1451 04
- Accessory Power Circuit Open/High Resistance
Diagnostic Fault Information
Circuit/System Description
The keyless entry control module provides backup control for the accessory wake-up serial data circuit by applying voltage to the circuit. The
accessory wake-up serial data circuit is energized when the ignition mode switch is in ACC or RUN.
Conditions for Running the DTC
B1451 01, B1451 04
* Vehicle power mode is OFF or Crank Request
* Module is awake
* DTC B1451 not already set
* System voltage is 6-16 V
B1451 02
* Vehicle power mode is ACC or RUN
* Module is awake
* Output is active
* DTC B1451 is not already set
* System voltage is 6-16 V
Conditions for Setting the DTC
B1451 01
Accessory output is not active and a short to battery is detected 3 consecutive times.
B1451 02
Accessory output is active and a short to ground is detected 3 consecutive times.
