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Home >> Cadillac >> 2003 >> Escalade EXT >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System With TCVS & VSES >> 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.

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