DTC C12D4 GMC
Blend Door Control Circuit Low
Blend Door Control Circuit Low
Description
The Powertrain Control Module determines that the Blower Motor Control circuit is below a minimum calibrated threshold.
Cause and Solution
Hvac Temperature Door Actuator Signal Circuit Shorted To GroundHvac Temperature Door ActuatorLoss Of Hvac Module Powers And Grounds
Video Guide
Diagnostic Info
- DTC Code: C12D4
- Brand: GMC