The Blower And Heater Controls And The A/C System Do Not Work (With Climate Control)
The blower and heater controls and the A/C system do not work
Probable cause: The climate control unit has malfunctioned, or has lost power or ground
Do the climate control power and ground circuit troubleshooting Climate Control Power And Ground Circuit Troubleshooting (With Climate Control)
Also check for
Climate control DTCs How To Troubleshoot The Climate Control System
Also check for
Blown fuse No. 36 (10 A) in the under-dash fuse/relay box
Also check for
Poor ground at G503
Also check for
Poor or loose connections at the terminals