Manual Three Zone Temperature Control

B2214-(HVAC) Climate Control Internal

For a complete wiring diagram, refer to.

• When Monitored: With the ignition on.

• Set Condition: If the A/C Heater Control has an internal fault. This DTC has a maturing time of five seconds and a de-maturing time of 10 seconds. If the DTCs status changes from active to stored it will stay in memory for 100 ignition cycles.






Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to => Non-DTC Based
Diagnostics. HVAC Pre-Diagnostic Troubleshooting Procedure

Test Step 1 - CHECK THE A/C HEATER CONTROL



Repair

• Check for any controller software updates. 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. Refer to => Non-DTC Based Diagnostics. HVAC Verification Test