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Home >> Cadillac >> 2009 >> Escalade EXT >> Repair and Diagnosis >> Body & Frame >> Towing Systems >> Trailer Brake Control System >> Diagnostic Information and Procedures >> DTC C0800 >> Circuit/System Description
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Circuit/System Description

The trailer brake control module (TBCM) monitors the battery voltage. Damage to components, and incorrect data input can occur when the voltage is out of range.

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