Drivers and Passengers Side Vent Temperatures Vary By More Than 20 F (11 C) (Without Climate Control)

Driver's and passenger's side vent temperatures vary by more than 20 �F (11 �C)

Diagnostic Procedure:

1. Probable causes: The recirculation control door or the air mix door is malfunctioning

2. Do the following troubleshooting:

3. Recirculation control motor circuit troubleshooting Recirculation Control Motor Circuit Troubleshooting (4-Door A/T Without Climate Control)

4. Air mix control motor test Air Mix Control Motor Test

Also check for:

- HVAC DTCs How to Troubleshoot the Heating and A/C Systems
- Poor or loose connections at the terminals