Climate Control (HVAC) System DTCS - Except Hybrid
PCM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action to Take |
|---|---|---|
| P0532 | A/C Pressure Refrigerant Sensor A Circuit Low | GO to PINPOINT TEST A . |
| P0533 | A/C Refrigerant Pressure Sensor A Circuit High | GO to PINPOINT TEST A . |
| P0645 | Air Conditioning Clutch Relay (A/CCR) Control Circuit | GO to PINPOINT TEST B . |
| P1464 | A/C Demand Out Of Self Test Range | If the HVAC selector was not in the OFF position, place it in the OFF position, CLEAR the DTCs and REPEAT the self-test. If the DTC does not return, ignore the DTC and continue diagnostics. If the DTC returns, INSTALL a new HVAC module. CLEAR the DTCs and REPEAT the self-test. |
| All Other DTCs | - | REFER to INTRODUCTION - GASOLINE MODELS article or ENGINE CONTROLS - INTRODUCTION -- FUSION HYBRID, MILAN HYBRID & MKZ HYBRID article. |
HVAC MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action to Take |
|---|---|---|
| B1081:07 | Left Temperature Damper Motor: Mechanical Failure | GO to PINPOINT TEST P . |
| B1081:11 | Left Temperature Damper Motor: Circuit Short to Ground | GO to PINPOINT TEST P . |
| B1081:12 | Left Temperature Damper Motor: Circuit Short to Battery | GO to PINPOINT TEST P . |
| B1081:13 | Left Temperature Damper Motor: Circuit Open | GO to PINPOINT TEST P . |
| B1082:07 | Right Temperature Damper Motor: Mechanical Failure | GO to PINPOINT TEST P . |
| B1082:11 | Right Temperature Damper Motor: Circuit Short to Ground | GO to PINPOINT TEST P . |
| B1082:12 | Right Temperature Damper Motor: Circuit Short to Battery | GO to PINPOINT TEST P . |
| B1082:13 | Right Temperature Damper Motor: Circuit Open | GO to PINPOINT TEST P . |
| B1083:11 | Recirculation Damper Motor: Circuit Short to Ground | GO to PINPOINT TEST J . |
| B1083:12 | Recirculation Damper Motor: Circuit Short to Battery | GO to PINPOINT TEST J . |
| B1083:13 | Recirculation Damper Motor: Circuit Open | GO to PINPOINT TEST J . |
| B1086:07 | Air Distribution Damper Motor: Mechanical Failures | GO to PINPOINT TEST K . |
| B1086:11 | Air Distribution Damper Motor: Circuit Short to Ground | GO to PINPOINT TEST K . |
| B1086:12 | Air Distribution Damper Motor: Circuit Short to Battery | GO to PINPOINT TEST K . |
| B1086:13 | Air Distribution Damper Motor: Circuit Open | GO to PINPOINT TEST K . |
| B10AF:12 | Blower Fan Relay: Circuit Short to Battery | Electronic Manual Temperature Control (EMTC) systems, GO to PINPOINT TEST Q . Dual Automatic Temperature Control (DATC) systems, GO to PINPOINT TEST S . |
| B10AF:14 | Blower Fan Relay: Circuit Short to Ground or Open | For EMTC systems, if the blower motor is inoperative, GO to PINPOINT TEST Q . For EMTC systems, if the blower motor is always on, GO to PINPOINT TEST R . For DATC systems, if the blower motor is inoperative, GO to PINPOINT TEST S . For DATC systems, if the blower motor relay is always on, GO to PINPOINT TEST T . |
| B10B8:00 | Push Buttons: No Sub Type Information | Fusion and Milan without navigation, button held too long may set DTC. ATTEMPT to clean buttons. CLEAR the DTCs. REPEAT the self-test. If code returns, INSTALL a new HVAC module. Fusion and Milan with navigation and all MKZ, button held too long may set DTC. ATTEMPT to clean buttons. CLEAR the DTCs. REPEAT the self-test. If code returns, INSTALL a new Front Controls Interface Module (FCIM). |
| B10B9:12 | Blower Control: Circuit Short to Battery | GO to PINPOINT TEST S . |
| B10B9:14 | Blower Control: Circuit Short to Ground or Open | If the blower motor is inoperative, GO to PINPOINT TEST S . If the blower motor is always on or operates incorrectly, GO to PINPOINT TEST T . |
| B11E5:11 | Left HVAC Damper Position Sensor: Circuit Short to Ground | GO to PINPOINT TEST P . |
| B11E5:15 | Left HVAC Damper Position Sensor: Circuit Short to Battery or Open | GO to PINPOINT TEST P . |
| B11E6:11 | Right HVAC Damper Position Sensor: Circuit Short to Ground | GO to PINPOINT TEST P . |
| B11E6:15 | Right HVAC Damper Position Sensor: Circuit Short to Battery or Open | GO to PINPOINT TEST P . |
| B11E7:11 | Air Distribution Damper Position Sensor: Circuit Short to Ground | GO to PINPOINT TEST K . |
| B11E7:15 | Air Distribution Damper Position Sensor: Circuit Short to Battery or Open | GO to PINPOINT TEST K . |
| B1A61:11 | Cabin Temperature Sensor: Circuit Short to Ground | GO to PINPOINT TEST D . |
| B1A61:15 | Cabin Temperature Sensor: Circuit Short to Battery or Open | GO to PINPOINT TEST D . |
| B1A63:11 | Right Solar Sensor: Circuit Short to Ground | GO to PINPOINT TEST F . |
| B1A63:15 | Right Solar Sensor: Circuit Short to Battery or Open | GO to PINPOINT TEST F . |
| B1A64:11 | Left Solar Sensor: Circuit Short to Ground | GO to PINPOINT TEST F . |
| B1A64:15 | Left Solar Sensor: Circuit Short to Battery or Open | GO to PINPOINT TEST F . |
| B1A68:11 | Ambient Temperature Sensor: Circuit Short to Ground | GO to PINPOINT TEST E . |
| B1A68:15 | Ambient Temperature Sensor: Circuit Short to Battery or Open | GO to PINPOINT TEST E . |
| B1B71:11 | Evaporator Temperature Sensor: Circuit Short to Ground | GO to PINPOINT TEST G . |
| B1B71:15 | Evaporator Temperature Sensor: Circuit Short to Battery or Open | GO to PINPOINT TEST G . |
| C1B14:11 | Sensor Supply Voltage A: Circuit Short to Ground | GO to PINPOINT TEST C . |
| C1B14:12 | Sensor Supply Voltage A: Circuit Short to Battery | GO to PINPOINT TEST C . |
| U0140:00 | Lost Communication With Body Control Module: No Sub Type Information | REFER to MODULE COMMUNICATIONS NETWORK -- FUSION, MILAN & MKZ article to diagnose lost communication with the Smart Junction Box (SJB). |
| U0155:00 | Lost Communication With Instrument Panel Cluster (IPC) Module: No Sub Type Information | REFER to MODULE COMMUNICATIONS NETWORK -- FUSION, MILAN & MKZ article to diagnose lost communication with the IPC module. |
| U0163:00 | Lost Communication With navigation Control Module: No Sub Type Information | REFER to MODULE COMMUNICATIONS NETWORK -- FUSION, MILAN & MKZ article to diagnose lost communication with the Audio Control Module (ACM). |
| U0256:00 | Lost Communication With Front Controls Interface Module (FCIM) "A": No Sub Type Information | REFER to MODULE COMMUNICATIONS NETWORK -- FUSION, MILAN & MKZ article to diagnose lost communication with the FCIM. |
| U0422:68 | Invalid Data Received From Body Control Module: Event Information | This DTC can set due to a fault in the SJB or because the SJB is unable to communicate over the Controller Area Network (CAN) bus. CARRY OUT a self-test of the SJB. If the scan tool indicates that the SJB is not responding, REFER to MODULE COMMUNICATIONS NETWORK -- FUSION, MILAN & MKZ article to diagnose the network communication concern. If SJB DTCs are present, REFER to MULTIFUNCTION ELECTRONIC MODULES -- FUSION, MILAN & MKZ article. |
| U0423:68 | Invalid Data Received From Instrument Panel Cluster Control Module: Event Information | This DTC can set due to a fault in the IPC or because the IPC is unable to communicate over the CAN bus. CARRY OUT a self-test of the IPC. If the scan tool indicates that the IPC is not responding, REFER to MODULE COMMUNICATIONS NETWORK -- FUSION, MILAN & MKZ article to diagnose the network communication concern. If IPC DTCs are present, REFER to INSTRUMENTATION, MESSAGE CENTER & WARNING CHIMES -- FUSION, MILAN & MKZ article to diagnose the IPC system fault |
| U0557:68 | Invalid Data Received From Front Controls Interface Module (FCIM) "A": Event Information | This DTC can set due to a fault in the FCIM or because the FCIM is unable to communicate over the CAN bus. CARRY OUT a self-test of the FCIM. If the scan tool indicates that the FCIM is not responding, REFER to MODULE COMMUNICATIONS NETWORK -- FUSION, MILAN & MKZ article to diagnose the network communication concern. If FCIM DTCs are present, REFER to INFORMATION & ENTERTAINMENT SYSTEMS -- FUSION, MILAN & MKZ article to diagnose the FCIM fault |
| U1000:00 | Solid State Driver Protection Activated-Driver Disabled: No Sub Type Information | INSTALL a new HVAC module. REFER to CLIMATE CONTROL -- FUSION, MILAN & MKZ article. |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | INSTALL a new HVAC module. REFER to CLIMATE CONTROL -- FUSION, MILAN & MKZ article. |
| U3000:41 | Control Module: General Checksum Failure | INSTALL a new HVAC module. REFER to CLIMATE CONTROL -- FUSION, MILAN & MKZ article. |
| U3002:62 | Vehicle Identification Number: Signal Compare Failure | INSTALL a new HVAC module. REFER to CLIMATE CONTROL -- FUSION, MILAN & MKZ article. |
| U3003:16 | Battery Voltage: Circuit Voltage Below Threshold | GO to PINPOINT TEST H . |
| U3003:17 | Battery Voltage: Circuit Voltage Above Threshold | GO to PINPOINT TEST H . |
| All Other DTCs | - | REFER to the Master DTC Chart in MULTIFUNCTION ELECTRONIC MODULES -- FUSION, MILAN & MKZ article. |