Test Step 1 - Inspect for Object Holding Switch in a Pushed Position

• Inspect the A/C heater control for an object holding the switch in a pushed position. If present, remove the object.
• Turn the ignition ON.
• With the scan tool, erase HVAC DTCs.
• Turn the ignition OFF, wait 10 seconds, and then turn the ignition ON.
• Wait two minutes, then with the scan tool, read HVAC DTCs.

Does the scan tool display this DTC as active?

Yes

• Replace the A/C heater control. Refer to REMOVAL AND INSTALLATION .
• Perform the HVAC Verification Test. Refer to HVAC .

No

• Replace the A/C heater control. Refer to REMOVAL AND INSTALLATION .
• Perform the HVAC Verification Test. Refer to HVAC .