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Home › GMC › 2010 › Sierra 2500 HD, 2D Pickup, 6.0 K, 4WD, Part Time › Repair and Diagnosis › Engine Performance › System › Data Communication System › Diagnostic Information and Procedures › DTC B101D (except HP2 A/C Control Module) › Conditions for Setting the DTC

Conditions for Setting the DTC

The control module has detected an internal malfunction.

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