DTC P2121 Chevrolet
Temperature Control 1 Feedback Circuit Actuator Stalled
Temperature Control 1 Feedback Circuit Actuator Stalled
Description
The ignition is ON. The HVAC module is ON.
Cause and Solution
The actual door position differs from the commanded door position by more than 4 counts or the HVAC control module detects the door position signal circuit is less than 3 counts or greater than 253 counts.
Video Guide
Diagnostic Info
- DTC Code: P2121
- Brand: Chevrolet