P0645 · Communications du constructeur

FORD, LINCOLN · 2023-02-23

Some 2020-2023 Explorer/Aviator vehicles may exhibit the A/C blowing warm air with DTCs P0645, P2CFC, and/or P2CFD present in the heating ventilation and air conditioning (HVAC) module. This may be due to spread terminal/terminal pushout in wire harness 14290 and on the corresponding pins to the body control module C (BCMC). Before replacement of the BCMC, disconnect all connectors from the BCMC and check the BCMC pins and wire terminals for damage. Refer to Workshop Manual (WSM), Section 419-10. If spread terminals or terminal pushout is present, repair as necessary. Refer to Wiring Diagram, Cell 005 for repair procedures. Reconnect all connections to the BCMC as indicated by the procedure in the WSM. Test the function of the A/C to verify that it is blowing cold air.

FORD, LINCOLN · 2022-05-26

Some 2020-2022 Explorer/Aviator vehicles may exhibit the A/C blowing warm air with DTCs P0645, P2CFC, and/or P2CFD present in the heating ventilation and air conditioning (HVAC) module. This may be due to spread terminal/terminal pushout in wire harness 14290 and on the corresponding pins to the body control module C (BCMC). Before replacement of the BCMC, disconnect all connectors from the BCMC and check the BCMC pins and wire terminals for damage. Refer to Workshop Manual (WSM), Section 419-10. If spread terminals or terminal pushout is present, repair as necessary. Refer to Wiring Diagram, Cell 005 for repair procedures. Reconnect all connections to the BCMC as indicated by the procedure in the WSM. Test the function of the A/C to verify that it is blowing cold air.

FORD, LINCOLN · 2021-09-10

Some 2020-2021 Explorer/Aviator vehicles may exhibit the A/C blowing warm air with DTC P0645 present in the heating ventilation and air conditioning (HVAC) module. This may be due to spread terminal/terminal pushout in wire harness 14290 and on the corresponding pins to the body control module C (BCMC). Before replacement of the BCMC, disconnect all connectors from the BCMC and check the BCMC pins and wire terminals for damage. Refer to Workshop Manual (WSM), Section 419-10. If spread terminals or terminal pushout is present, repair as necessary. Refer to Wiring Diagram, Cell 005 for repair procedures. Reconnect all connections to the BCMC as indicated by the procedure in the Shop manual. Test the function of the A/C to ensure that it is blowing cold air.

FORD · 2020-06-15

Some 2017-2019 Escape vehicles equipped with a 1.5L or 2.0L engine may exhibit fuse F34 open with an illuminated MIL and diagnostic trouble codes (DTCs) P0034, P023A, P0245, P0480, P0481, P0645, P06A0, P06DB, P188D, P02602, and/or P2681 in the powertrain control module (PCM). The vehicle may also exhibit an all-wheel drive (AWD) fault warning and/or illuminated traction control (TC) lamp. Inspect the 12A690 (1.5L) or 12C508 (2.0L) wiring harness from the battery junction box (BJB) to the PCM for wiring harness retainers not installed correctly allowing chafing to occur at multiple points. Repair damaged wiring as required. Refer to the Wiring Diagram for repair information. For claiming, use causal part 12A690 (1.5L) or 12C508 (2.0L) and applicable labor operations in Section 10 of the…

FORD · 2018-10-10

Some 2017-2018 Escape vehicles equipped with a 1.5L or 2.0L engine may exhibit fuse F34 open, an illuminated MIL with diagnostic trouble codes (DTCs) P0034, P023A, P0245, P0480, P0481, P0645, P06A0, P06DB, P188D, P02602, and/or P2681 in the powertrain control module (PCM). The vehicle may also exhibit an all-wheel drive (AWD) fault warning and/or traction control (TC) light on. Inspect the 12A690 (1.5L) or 12C508 (2.0L) wiring harness from the battery junction box (BJB) to the PCM for wiring harness retainers not installed correctly allowing chafing to occur at multiple points. Repair damaged wiring as required. Refer to the Wiring Diagram for repair information. For claiming, use causal part 12A690 (1.5L) or 12C508 (2.0L) and applicable labor operations in Section 10 of the Service Labor…

FORD · 2018-08-15

Some 2017-2018 Escape vehicles equipped with a 1.5L or 2.0L engine may exhibit fuse F34 open, an illuminated MIL with diagnostic trouble codes (DTCs) P0034, P023A, P0245, P0480, P0481, P0645, P06A0, P06DB, P188D, P02602, and/or P2681 in the powertrain control module (PCM). May also exhibit an all-wheel drive (AWD) fault warning and/or traction control (TC) light on. Inspect the 14290 wiring harness at the battery junction box (BJB) under the air cleaner and/or the brake vacuum pump for wiring harness retainers not installed correctly allowing chafing to occur at multiple points. Repair damaged wiring as required. Refer to the Wiring Diagram for repair information. For claiming, use causal part 14290 and applicable labor operations in section 10 of the service labor time standards (SLTS)…

FORD · 2018-02-16

Some 2017-2018 Escape vehicles equipped with a 1.5L or 2.0L engine and built on or before 24-Jan-2018 may exhibit fuse F34 open, an illuminated MIL with diagnostic trouble codes (DTCs) P0034, P023A, P0245, P0480, P0481, P0645, P06A0, P06DB, P188D, P02602, and/or P2681 in the powertrain control module (PCM). May also exhibit an all-wheel drive (AWD) fault warning and/or traction control (TC) light on. Inspect the 14290 wiring harness at the battery junction box (BJB) under the air cleaner and/or the brake vacuum pump for wiring harness retainers not installed correctly allowing chafing to occur at multiple points. Repair damaged wiring as required. Refer to the Wiring Diagram for repair information. For claiming, use causal part 14290 and applicable labor operations in section 10 of the…

LINCOLN · 2016-12-02

SOME 2017 CONTINENTAL VEHICLES EQUIPPED WITH A 2.7L OR 3.0L ENGINE WITH AWD AND BUILT ON OR BEFORE 30-SEP-2016 MAY EXHIBIT AN ILLUMINATED MALFUNCTION INDICATOR LAMP (MIL), LOW OIL PRESSURE WARNING, INOPERATIVE AIR CONDITIONING (A/C) AND/OR AWD FAULT MESSAGE IN THE INSTRUMENT PANEL CLUSTER (IPC), WITH FUSE F3 OPEN IN THE BATTERY JUNCTION BOX (BJB). IN ADDITION, THE FOLLOWING DIAGNOSTIC TROUBLE CODES (DTCS) P0034, P0245, P0480, P0481, P0645, P06A0, P06DB, P0A15, P0AB7, P2602, P2681, U0284 AND/OR OTHER COMMUNICATION DTCS MAY BE PRESENT. FOLLOW THE SERVICE PROCEDURE STEPS TO CORRECT THE CONDITION.

FORD, LINCOLN · 2016-05-11

AIR CONDITIONING (A/C) INOPERATIVE - DIAGNOSTIC TROUBLE CODE (DTC) P0645

OLDSMOBILE, PONTIAC · 2015-11-20

This Preliminary Information communication provides information to the technician about vehicles that have an engine crank no start condition. Technician may find no fuel injector pulse and Diagnostic Trouble Code P0645. Technician should inspect fuse in the under hood fuse panel, position #37. If the fuse is found open replace the fuse and revaluate. If the fuse is not open proceed with Service Information diagnostics to determine the cause.

BUICK, CHEVROLET, OLDSMOBILE, PONTIAC · 2004-01-01

INTERMITTENT CRANK NO START OR STALLS MIL/DTC'S P0443 P0645, P1689. *TC