Code Definition

C0551 — Option Configuration

System: Chassis  |  Type: Generic (OBD-II Standard)  |  Make: Holden

About C0551

C0551 is a generic (obd-ii standard) chassis diagnostic trouble code recorded for Holden vehicles. It belongs to the C-prefix family of codes, which covers chassis, braking, steering, suspension, or stability-control faults.

Scanning & clearing: Chassis (C) codes are stored in the ABS, traction control, or stability-control modules. An enhanced or OEM-level scan tool is usually required to read and clear them.

Because C0551 is a generic OBD-II code, its base definition is shared across manufacturers. The specific diagnostic steps, reference values, and repair procedures can vary by vehicle, and the TaT Diagnostic Assistant includes verified procedures submitted by working technicians.

Code Information

The Electronic Brake Control Module (EBCM) checks its stored option configuration data to confirm it is correctly set up for the vehicle's installed systems and features. DTC C0551 is set when the EBCM detects missing, incorrect, or invalid configuration information, or when the configuration data does not match the vehicle build options. This condition typically occurs after module replacement, reprogramming, or a programming event that did not complete. When this code is present the EBCM may disable ABS, traction control, and stability control until valid configuration is restored, with the ...

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