DTC P1723 Chevrolet
Lost Communication With HVAC Control Module
Lost Communication With HVAC Control Module
Description
The system voltage is between 9-16 volts. The vehicle power mode requires serial data communication to occur.
Cause and Solution
Use the DTC Descriptor list above to determine the module which is not communicating.If there are multiple non-communicating modules choose the one closest to the data link connector (DLC).Use Data Link References to determine if the module us
Video Guide
Diagnostic Info
- DTC Code: P1723
- Brand: Chevrolet