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DTC Chart: Heating, Ventilation And Air Conditioning (HVAC) Control Module

WARNING: This page is about a different car, the 2015 Ford Fiesta. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. For information about these practices, REFER to: Diagnostic Methods .

DTC Description Action
1-0 Recirculation Button Performance This DTC sets if the RECIRC button is held for more than 2 minutes. ATTEMPT to clean buttons. CLEAR the Diagnostic Trouble Codes (DTCs). REPEAT the self-test. If DTC returns, INSTALL a new HVAC control module. REFER to: Heating, Ventilation and Air Conditioning (HVAC) Control Module .
1-1 Diagnostics Mode Entered - No DTC Set This DTC indicates that no HVAC faults are present at this time.
1-2 A/C Button Performance This DTC sets if the A/C button is held for more than 2 minutes. ATTEMPT to clean buttons. CLEAR the Diagnostic Trouble Codes (DTCs). REPEAT the self-test. If code returns, INSTALL a new HVAC control module. REFER to: Heating, Ventilation and Air Conditioning (HVAC) Control Module .
2-1 Blend Feedback Circuit/Performance GO to Pinpoint Test M 
2-2 Blend Motor Driver Circuit/Performance GO to Pinpoint Test M 
2-3 Blend Actuator Calibration Performance GO to Pinpoint Test M 
3-1 Mode Feedback Circuit/Performance GO to Pinpoint Test I 
3-2 Mode Motor Driver Circuit/Performance GO to Pinpoint Test I 
3-3 Mode Actuator Calibration Performance GO to Pinpoint Test I 
4-2 Recirculation Motor Driver Circuit/Performance GO to Pinpoint Test H 
4-4 Feedback Reference Circuit/Performance GO to Pinpoint Test Q 
5-1 Blower Relay Driver Circuit/Performance If the blower motor is inoperative, GO to Pinpoint Test N 
If the blower motor is always on, GO to Pinpoint Test O 
5-2 A/C Select Drive Circuit/Performance If the A/C is inoperative, GO to Pinpoint Test K 
If the A/C is always on, GO to Pinpoint Test L 
5-3 Battery Voltage Low GO to Pinpoint Test R 
5-4 Battery Voltage High GO to Pinpoint Test R 
5-5 PTC Driver Circuit/Performance REFER to: Auxiliary Climate Control .