Code Definition

C0242 — Powertrain Control Module Indicated Traction Control System Malfunction

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

About C0242

C0242 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 C0242 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) monitors status and fault messages received from the Powertrain Control Module (PCM) related to traction control operation. Traction control works by requesting the PCM to reduce engine torque, so the two modules must communicate continuously over the data network. DTC C0242 is set when the PCM indicates a fault condition that inhibits traction control, or when the EBCM receives a traction control disable message from the PCM for a calibrated period. When this code is set traction control is disabled and its warning lamp illuminates, and there are usu...

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