Temperature Control

WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

If the heater outlet air temperature cannot be adjusted with the temperature control on the A/C-heater control, the following could require service:

Inoperative A/C-heater control.
Inoperative blend door actuator(s).
Inoperative, obstructed or improperly installed blend-air door.
Inoperative related wiring harness or connectors.
Inoperative A/C-heater module.
Improper engine coolant temperature.

NOTE:

For any other electrical faults, refer to DIAGNOSTIC CODE INDEX .