"ISSUE:
CUSTOMERS MAY REPORT LOSS OF CLIMATE CONTROL IN HVAC SYSTEM AND/OR SEAT HEATING, WHICH IS DUE TO HVAC SOFTWARE COMMUNICATION ISSUES ON THE LIN BUS.
THE COMMUNICATION CEASES UPON SHUTDOWN AND DOES NOT RECOVER UPON WAKE UP.
SYMPTOMS INCLUDE:
• DTC’S.
• HVAC BLOWER BECOMES INOPERATIVE BECAUSE THERE IS NO STEPPER CONTROL.
• NO LIN COMMUNICATION TO THE SEATS AND THEREFORE, NO CLIMATE SEAT CONTROL.
CAUSE:
HVAC SOFTWARE."
