| • | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. | 
| • | Review Strategy Based Diagnosis for an overview of the diagnostic approach. | 
| • | Diagnostic Procedure Instructions provides an overview of each diagnostic category. | 
When the ignition is turned ON, the object alarm module performs a self-test to verify if any critical malfunction exists within the system. During the power-up mode, the object alarm module checks for a valid calibration data set.
| • | DTC B1325 is not set | 
| • | Ignition voltage is between 9-16 volts | 
A valid calibration is not detected upon module power-up.
| • | Parking assist is disabled. | 
| • | The object alarm module commands the red indicator ON. | 
| • | The object alarm module sends a serial data message to the instrument panel cluster (IPC) to display SERVICE PARK ASSIST message in the driver information center (DIC) and a chime will sound. | 
| • | The DTC will transition to history when the fault is no longer present. | 
| • | A history DTC will clear after 100 malfunction-free ignition cycles. | 
Object Detection Description and Operation
Control Module References for scan tool information
Verify that DTC B1008 is not set.
| ⇒ | If the DTC is set, program the object alarm module. Refer to Object Alarm Module Programming and Setup. If the DTC resets, replace the object alarm module. | 
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for object alarm module replacement, setup, and programming