C0551

DTC C0551

DTC Descriptors

DTC C0551 45

Option Configuration Error/Variant not programmed

DTC C0551 47

Option Configuration Error/VIN not programmed

Diagnostic Fault Information

Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Initial Inspection and Diagnostic Overview

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 VIN number from the BCM 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 option configuration has not been programmed.

C0551 47

The incorrect EBCM has been installed in the vehicle.

Action Taken When the DTC Sets

One or more of the following actions may occur:

* The antilock brake system (ABS) and engine traction (ETS) are disabled.
* The ABS/TCS indicators turn ON.

Conditions for Clearing the DTC

* The condition for the DTC is no longer present.
* The correct calibration must be programmed into the EBCM

Reference Information

Schematic Reference

Antilock Brake System Schematics

Connector End View Reference

Antilock Brake System Connector End Views

Description and Operation

ABS Description and Operation

Electrical Information Reference

* Circuit Testing
* Connector Repairs
* Testing for Intermittent Conditions and Poor Connections
* Wiring Repairs

Scan Tool Reference

Scan Tool Data List for EBCM

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

Refer To Programing and Relearning Programming and Relearning

Repair Verification

Diagnostic Repair Verification