• | 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. |
This DTC is generated by the module when the Theft Lock is activated. This occurs when the VIN is received over serial data and the VIN as stored in the module memory do not match. This also occurs when no VIN is received over the serial circuit. The only circuit required is the serial data communication line.
This DTC test runs when the radio changes from OFF to ON.
This DTC is generated by the module when the VIN as received via serial data and the VIN as stored in the module memory do not match. This also occurs if no VIN is received via serial data.
The radio does not function. The radio display will indicate that Theftlock is active.
Re-calibration with the correct calibrations for the vehicle and cycling the radio to OFF then to ON will clear the DTC if there is no damage to the radio.
This DTC may be an indication that an incorrect radio is installed in the vehicle, or that the radio was replaced without reprogramming with the new information.
Radio/Navigation System Schematics
Radio/Audio System Description and Operation
Control Module References for scan tool information
1. Verify DTC B0996, B1016, or B1271 is not set.
⇒ | If any DTCs are set, program the radio. If the DTC resets, replace the radio. |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for radio replacement, setup, and programming