Scan Tool Testing and Procedures

Scan Tool Display - Defrost Data, Part 1:

Scan Tool Display - Defrost Data, Part 2:

Scan Tool Display - Actuator Data:

The table lists Automatic Climate Control Module Diagnosis Codes related to the Automatic Climate Control.

IMPORTANT: The DTCs: U1000, U1064, U1016 are communication codes. Refer to the Data Link Communications. To change the temperature display from degrees Fahrenheit to degrees Celsius, press the AUTO, ECON and MODE buttons simultaneously for 3 to 5 seconds. U Code Charts