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Home >> Jeep >> 2006 >> Commander Base, 3.7 K, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 87 (HVAC Systems (Service Information)) >> Diagnosis And Testing >> Heater Performance Test >> Maximum Heater Output >> Temperature Control

Temperature Control

WARNING: This page is about a different car, the 2007 Jeep Grand Cherokee. 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:

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