Self-Test - Retrieving And Clearing HVAC Control Module DTCs

To retrieve HVAC control module Diagnostic Trouble Codes (DTCs), carry out the following steps:

• With the ignition on, select any mode except OFF on the HVAC controls
• While pressing the RECIRC mode button, select OFF on the HVAC controls
• Continue holding the RECIRC mode button for 5 seconds after OFF is selected

The RECIRC mode indicator flashes at the rate of 1 flash per second for the first digit of the DTC, pause for 2 seconds, then resumes flashing at 1 flash per second for the second digit of the DTC. There is a 5 second pause between Diagnostic Trouble Codes (DTCs). DTC 1-1 indicates no faults present.

To exit without clearing Diagnostic Trouble Codes (DTCs)  , select any mode except  FLOOR or PANEL/FLOOR or turning the ignition off after retrieving HVAC control module Diagnostic Trouble Codes (DTCs).

To exit and clear Diagnostic Trouble Codes (DTCs)  , select FLOOR after retrieving HVAC control module Diagnostic Trouble Codes (DTCs). The RECIRC mode indicator flashes 5 times a second for 2 seconds, then resumes flashing to indicate any Diagnostic Trouble Codes (DTCs). DTC 1-1 indicates no faults present.