Code Definition

C0558 (5A) — Calibration Data Not Plausible

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

About C0558

C0558 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 C0558 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) relies on internal calibration data for its stability control, braking, and vehicle dynamics calculations. DTC C0558 is set when the EBCM determines that the stored calibration data is implausible, corrupted, or does not match the expected values for the vehicle configuration. The fault is typically detected during module initialisation at ignition on or during system self checks while driving. When this code is present the EBCM cannot trust its own calibration, so ABS, traction control, and stability control are usually disabled with their warning la...

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