Symptom Chart

WARNING: This page is about a different car, the 2024 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.

Symptom Chart: Climate Control - Dual Automatic Temperature Control (DATC)

NOTE: Some Powertrain Control Module (PCM) Diagnostic Trouble Codes (DTCs) may inhibit Air Conditioning (A/C) operation. If any Powertrain Control Module (PCM) Diagnostic Trouble Codes (DTCs) are retrieved, diagnose those first. Refer to the appropriate Diagnostic Trouble Code (DTC) Chart..

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

Condition	Actions
Externally Controlled Variable Displacement Compressor (EVDC) Performance Check With Or Without Diagnostic Trouble Code (DTC) P06A0	GO to Pinpoint Test D
A Module Does Not Communicate With The Diagnostic Scan Tool	REFER to: Controller Area Network (CAN) Module Communications Network .
The Temperature Control Is Inoperative/Does Not Operate Correctly	GO to Pinpoint Test G or GO to Pinpoint Test H
The Air Inlet Door Is Inoperative	GO to Pinpoint Test I
Incorrect Or Erratic Direction Of Airflow From Outlets	GO to Pinpoint Test J
Insufficient, Erratic Or No Heat With No Diagnostic Trouble Codes (DTCs)	GO to Pinpoint Test K
The A/C Is Inoperative With No Diagnostic Trouble Codes (DTCs)	GO to Pinpoint Test L
The Air Conditioning (A/C) Is Always On --Air Conditioning (A/C) Mode Always Commanded ON	GO to Pinpoint Test M
The Blower Motor Is Inoperative	GO to Pinpoint Test N
The Blower Motor Does Not Operate Correctly	GO to Pinpoint Test O
Air Conditioning (A/C) Pressure Relief Valve Discharging	GO to Pinpoint Test AE
Insufficient Air Conditioning (A/C) Cooling	GO to Pinpoint Test AF
Reduced Outlet Airflow	GO to Pinpoint Test AG
Air Conditioning (A/C) System Noise, Vibration And Harshness	GO to Pinpoint Test AH
Refrigerant Leak Detection	GO to Pinpoint Test AI