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Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1993 (Data Communications System) >> Diagnostic Information and Procedures >> DTC B101D (except HP2 A/C Control Module) >> Circuit/System Description
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Circuit/System Description

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The internal fault detection is handled inside the control module. The symptom byte listed in the DTC Descriptor is for engineering reference only. No external circuit diagnosis is involved.

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