HVAC, ATC

B2214-CLIMATE CONTROL INTERNAL

For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
Continuously with the ignition on.

- Set Condition:
If the A/C Heater Control detects an internal controller malfunction.





Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Initial Inspection and Diagnostic Overview.
CHECK THE A/C HEATER CONTROL



Repair

- Check for any controller software updates if applicable. If an update is available, reprogram the controller with the latest software. If no software updates are available, replace and program the A/C Heater Control.
- Perform the HVAC VERIFICATION TEST. HVAC Verification Test.