A/C Refrigerant Distribution Valve A Control Circuit / Open
The A/C refrigerant distribution valve A (used to switch refrigerant flow between front and rear evaporators or between cabin and battery cooling on EVs) cannot be driven by the controller.
Affected components
- Ac distribution valve a
- Valve solenoid
- Wiring harness
Common causes
- High likelihood: Open coil in the valve solenoid
- Medium likelihood: Broken control wire
Diagnostic notes
- The malfunction indicator lamp may illuminate
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.