Did you perform the HVAC Diagnostic System Check?

Go to Step 2

Go to Symptoms - HVAC Systems - Automatic

Inspect trim fit near heater and A/C control, steering wheel controls and personalization control for interference causing a stuck switch.

Did you find and correct the condition?

Go to Step 7

Go to Step 3

1. Start the engine.
2. Verify all the instrument panel outlets are open.
3. Operate the system. Refer to the appropriate procedure:

•	Air Delivery Description and Operation

•	Air Temperature Description and Operation

Does the system operate properly?

Go to Step 4

Go to Symptoms - HVAC Systems - Automatic

Verify that the customer is using the correct key to enable personalization and is not inadvertently activating steering wheel or passenger HVAC controls.

Did you find and correct the condition?

Go to Step 7

Go to Step 5

Inspect for poor connections at the harness connector of the HVAC control module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 7

Go to Step 6

Replace the HVAC control module. Refer to HVAC Control Module Replacement .

Did you complete the repair?

Go to Step 7

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2