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Home >> Cadillac >> 2017 >> CTS Base, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Diagnostic Information and Procedures >> DTC C127F: Rear Axle Control Signal Message Counter Incorrect >> Circuit/System Description

Circuit/System Description

The electronic brake control module and the chassis control module simultaneously control the vehicle performance. During a automatic brake event the electronic brake control module sends a serial data message to the chassis control module. If the chassis control module receives corrupt data from the electronic brake control module, DTC C127F will set in the chassis control module.

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