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HVAC Control Module

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 .

NOTE: Some PCM Diagnostic Trouble Codes (DTCs) may inhibit A/C operation. If any PCM Diagnostic Trouble Codes (DTCs) are retrieved, diagnose those first. Refer to the DTC Chart: PCM .
DTC Description Action
B105A:12 Cabin Temperature Sensor Fan: Circuit Short To Battery GO to Pinpoint Test E
B105A:14 Cabin Temperature Sensor Fan: Circuit Short To Ground or Open GO to Pinpoint Test E
B1081:11 Left Temperature Damper Motor: Circuit Short to Ground GO to Pinpoint Test M
B1081:12 Left Temperature Damper Motor: Circuit Short to Battery GO to Pinpoint Test M
B1081:14 Left Temperature Damper Motor: Circuit Short to Ground or Open GO to Pinpoint Test M
B1083:11 Recirculation Damper Motor: Circuit Short to Ground GO to Pinpoint Test H
B1083:12 Recirculation Damper Motor: Circuit Short to Battery GO to Pinpoint Test H
B1083:14 Recirculation Damper Motor: Circuit Short to Ground or Open GO to Pinpoint Test H
B1086:11 Air Distribution Damper Motor: Circuit Short to Ground GO to Pinpoint Test I
B1086:12 Air Distribution Damper Motor: Circuit Short to Battery GO to Pinpoint Test I
B1086:14 Air Distribution Damper Motor: Circuit Short to Ground or Open GO to Pinpoint Test I
B10B8:63 Push Buttons: Circuit / Component Protection Time-Out Buttons held too long may set this DTC.
ATTEMPT to clean the buttons. CLEAR the Diagnostic Trouble Codes (DTCs) and REPEAT the self-test.
If the DTC does not return, IGNORE the DTC and CONTINUE diagnosing other Diagnostic Trouble Codes (DTCs) or symptoms.
If the DTC returns, A guided routine is not applicable for this vehicle and market. Replace the component that was faulted.
B14AE:11 Actuators Power Supply: Circuit Short To Ground GO to Pinpoint Test U
B14AE:12 Actuators Power Supply: Circuit Short To Battery GO to Pinpoint Test U
B14AE:14 Actuators Power Supply: Circuit Short To Ground or Open GO to Pinpoint Test U
B1A61:11 Cabin Temperature Sensor: Circuit Short to Ground GO to Pinpoint Test E
B1A61:15 Cabin Temperature Sensor: Circuit Short to Battery or Open GO to Pinpoint Test E
B1A69:11 Humidity Sensor: Circuit Short to Ground GO to Pinpoint Test E
B1A69:15 Humidity Sensor: Circuit Short To Battery or Open GO to Pinpoint Test E
U0140:00 Lost Communication With Body Control Module: No Sub Type Information GO to Pinpoint Test P
U0155:00 Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information GO to Pinpoint Test Q
U2100:00 Initial Configuration Not Complete: No Sub Type Information A guided routine is not applicable for this vehicle and market. Replace the component that was faulted.
U2101:00 Control Module Configuration Incompatible: No Sub Type Information A guided routine is not applicable for this vehicle and market. Replace the component that was faulted.
U3000:41 Control Module: General Checksum Failure A guided routine is not applicable for this vehicle and market. Replace the component that was faulted.
U3002:62 Vehicle Identification Number: Signal Compare Failure A guided routine is not applicable for this vehicle and market. Replace the component that was faulted.
U3003:16 Battery Voltage: Circuit Voltage Below Threshold GO to Pinpoint Test T
U3003:17 Battery Voltage: Circuit Voltage Above Threshold GO to Pinpoint Test T
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