2010 Cadillac Truck SRX FWD V6-3.0L Page 465

2010 Cadillac Truck SRX FWD 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.