DTC Descriptor
DTC C0551 45: Option Configuration Error/Variant not programmedDTC C0551 47: Option Configuration Error/VIN not programmed
Diagnostic Fault Information
Important: Always perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
Circuit/System Description
When the electronic brake control module (EBCM) is replaced, software and calibrations are flash programmed into the EBCM. The EBCM receives the vehicle power-train options information from the power-train control module (PCM) in order for the EBCM to automatically calibrate to the vehicle.
Conditions for Running the DTC
The ignition switch is in the ON position.
Conditions for Setting the DTC
C0551 45
The incorrect EBCM is installed on the vehicle.
C0551 47
The incorrect software or calibrations have been flash programmed into the EBCM.
Action Taken When the DTC Sets
One or more of the following actions may occur:
| • | The Antilock Brake System (ABS) dynamic rear proportion (DRP) are disabled. |
| • | The ABS indicators turn ON. |
| • | The red BRAKE Warning indicator turns ON. |
Conditions for Clearing the DTC
| • | The condition for the DTC is no longer present. |
| • | The EBCM automatically clears the history DTC when a current DTC is not detected in 100 consecutive drive cycles. |
Circuit/System Verification
- Verify that the EBCM is the correct module for the vehicle.
| ⇒ | If the EBCM is not correct, replace the EBCM. |
| ⇒ | Reprogram the EBCM. |
Repair Instructions
Important: Always perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for EBCM
Repair Verification
