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Home >> Cadillac >> 2009 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Hybrid Engine Electrical System (Hp2)) >> Diagnostic Information and Procedures >> DTC B1424 >> Circuit/System Description

Circuit/System Description

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The theft deterrent module (TDM) monitors the 12V battery positive (B+) voltage available to it. If the voltage at the TDM is between 6-9 volts, and the voltage being reported by a serial data message is greater than 9 volts, then DTC B1424 00 sets.