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Home › Cadillac › 2004 › Escalade EXT › Repair and Diagnosis › Brakes › Antilock Brake System, Traction Control System & Stability Control System › Diagnostic Information and Procedures › DTC C0240: Powertrain Control Module (PCM) Traction Control Not Allowed › Circuit Description

Circuit Description

The powertrain control module (PCM) and the electronic brake control module (EBCM) communicate on the serial data link whenever the ignition is ON.