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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 67 (HVAC System - Manual) >> Diagnostic Information and Procedures >> DTC B012A: HVAC Controls >> Conditions for Setting the DTC

Conditions for Setting the DTC

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The BCM receives an internal fault status message from the HVAC control assembly.

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