Code Definition

C2006 — Electric Parking Brake Motor/Actuator Malfunction (LH)

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

About C2006

C2006 is a generic (obd-ii standard) chassis diagnostic trouble code recorded for Mazda 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 C2006 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 Parking Brake (EPB) control module continuously monitors the operation, current draw, and position feedback of each rear parking brake motor and gear unit. DTC C2006 is set when the module detects an abnormal condition in the left hand EPB motor and actuator, such as failure to reach the commanded apply or release position, excessive or insufficient motor current, or invalid position feedback. The actuator uses an electric motor driving a gear reduction unit to clamp the rear brake, and the module confirms travel through motor current and position feedback. When this code sets t...

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