U0109 · メーカー技術情報

RAM · 2026-07-09

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0088-00 - Fuel Rail Pressure Too High - Bank 1. ● P208B-00 - Reductant Pump 1 Control Performance. ● P2540-00 - Low Pressure Fuel System Sensor Circuit Range/Performance. ● P0506-00 - Idle Control System RPM - Lower Than Expected. ● P20CF-00 - Exhaust Aftertreatment Fuel Injector "A" Stuck Open. ● P20DB-00 - Exhaust Aftertreatment Fuel Supply Control Stuck Open. ● P040B-00 - EGR Temperature Sensor 1 Circuit Performance. ● U0109-00 - Lost Communication With Fuel Pump Control Module. ● P1451-00 - Diesel Particulate Filter System Performance. ● P2463-00 - Diesel…

RAM · 2026-07-09

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0088-00 - Fuel Rail Pressure Too High - Bank 1. ● P208B-00 - Reductant Pump 1 Control Performance. ● P2540-00 - Low Pressure Fuel System Sensor Circuit Range/Performance. ● P0506-00 - Idle Control System RPM - Lower Than Expected. ● P20CF-00 - Exhaust Aftertreatment Fuel Injector "A" Stuck Open. ● P20DB-00 - Exhaust Aftertreatment Fuel Supply Control Stuck Open. ● P040B-00 - EGR Temperature Sensor 1 Circuit Performance. ● U0109-00 - Lost Communication With Fuel Pump Control Module. ● P1451-00 - Diesel Particulate Filter System Performance. ● P2463-00 - Diesel…

RAM · 2026-05-19

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0088-00 - Fuel Rail Pressure Too High - Bank 1. ● P208B-00 - Reductant Pump 1 Control Performance.** ● P2540-00 - Low Pressure Fuel System Sensor Circuit Range/Performance. ● P0506-00 - Idle Control System RPM - Lower Than Expected. ● P20CF-00 - Exhaust Aftertreatment Fuel Injector "A" Stuck Open. ● P20DB-00 - Exhaust Aftertreatment Fuel Supply Control Stuck Open. ● P040B-00 - EGR Temperature Sensor 1 Circuit Performance. ● U0109-00 - Lost Communication With Fuel Pump Control Module. ● P1451-00 - Diesel Particulate Filter System Performance. ● P2463-00 - Diesel…

RAM · 2026-04-22

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0088-00 - Fuel Rail Pressure Too High - Bank 1.** ● P20CF-00 - Exhaust After treatment Fuel Injector "A" Stuck Open. ● P20DB-00 - Exhaust After treatment Fuel Supply Control Stuck Open. ● U0109-00 - Lost Communication With Fuel Pump Control Module. ● P1451-00 - Diesel Particulate Filter System Performance. ● P2463-00 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. ● P2459-00 - Diesel Particulate Filter Regeneration Too Frequent. ● P0087-00 - Fuel Rail Pressure Too Low. ● P2540-00 - Low Pressure Fuel System Sensor Circuit Range/performance. ● P2543-00 -…

RAM · 2026-03-03

Flash: Powertrain Control Module (PCM) Updates V2D Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P2540-00 - Low Pressure Fuel System Sensor Circuit Range/Performance. ● P0506-00 - Idle Control System RPM - Lower Than Expected. ● P20CF-00 - Exhaust Aftertreatment Fuel Injector "A" Stuck Open. ● P20DB-00 - Exhaust Aftertreatment Fuel Supply Control Stuck Open. ● P040B-00 - EGR Temperature Sensor 1 Circuit Performance. ● U0109-00 - Lost Communication With Fuel Pump Control Module. ● P1451-00 - Diesel Particulate Filter System Performance. ● P2463-00 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. ● P1191-00-Inlet Air Temperature Sensor…

RAM · 2026-03-03

Flash: Powertrain Control Module (PCM) Updates V2D Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P2540-00 - Low Pressure Fuel System Sensor Circuit Range/Performance. ● P0506-00 - Idle Control System RPM - Lower Than Expected. ● P20CF-00 - Exhaust Aftertreatment Fuel Injector "A" Stuck Open. ● P20DB-00 - Exhaust Aftertreatment Fuel Supply Control Stuck Open. ● P040B-00 - EGR Temperature Sensor 1 Circuit Performance. ● U0109-00 - Lost Communication With Fuel Pump Control Module. ● P1451-00 - Diesel Particulate Filter System Performance. ● P2463-00 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. ● P1191-00-Inlet Air Temperature Sensor…

RAM · 2026-02-19

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P2540-00 - Low Pressure Fuel System Sensor Circuit Range/Performance. ● P0506-00 - Idle Control System RPM - Lower Than Expected. ● P20CF-00 - Exhaust Aftertreatment Fuel Injector "A" Stuck Open. ● P20DB-00 - Exhaust Aftertreatment Fuel Supply Control Stuck Open. ● P040B-00 - EGR Temperature Sensor 1 Circuit Performance. ● U0109-00 - Lost Communication With Fuel Pump Control Module. ● P1451-00 - Diesel Particulate Filter System Performance. ● P2463-00 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. ● P1191-00-Inlet Air Temperature Sensor…

RAM · 2026-02-03

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P20CF - 00 Exhaust After treatment Fuel Injector "A" Stuck Open. ● P20DB - 00 Exhaust After treatment Fuel Supply Control Stuck Open. ● U0109 - 00 Lost Communication With Fuel Pump Control Module. ● P1451 - 00 Diesel Particulate Filter System Performance. ● P2463 - 00 Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. ● P2459 - 00 Diesel Particulate Filter Regeneration Too Frequent.** ● P0087-00 - Fuel Rail Pressure Too Low. ● P2540-00 - Low Pressure Fuel System Sensor Circuit Range/performance. ● P2543-00 - Low Pressure Fuel System Sensor Circuit…

RAM · 2026-02-02

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P20CF - 00 Exhaust After treatment Fuel Injector "A" Stuck Open. ● P20DB - 00 Exhaust After treatment Fuel Supply Control Stuck Open. ● U0109 - 00 Lost Communication With Fuel Pump Control Module. ● P1451 - 00 Diesel Particulate Filter System Performance. ● P2463 - 00 Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. ● P2459 - 00 Diesel Particulate Filter Regeneration Too Frequent.** ● P0263 - 00 Cylinder 1 Contribution/balance. ● P0266 - 00 Cylinder 2 Contribution-balance. ● P0269 - 00 Cylinder 3 Contribution/balance. ● P0272 - 00 Cylinder 4…

LOTUS · 2025-11-03

Updating the ECM (Engine Control Module), to the latest level software. REASON - A new ECM SW update is available on EmiraDS to resolve the following issues: - The false setting of U010900 DTC (Diagnostic Trouble Code). - Reduce the delay time between pressing the start button and engine cranking for vehicles with lower tolerance fuel pump pressure. ACTION - Check and identify any affected Emira vehicles from your inventory stock, dealer demonstrators and customer vehicles to ensure that this campaign action is performed at the first opportunity. - Any affected vehicle’s campaign status will be displayed on the Lotus Commercial Management System (LCMS). NOTE: This SW update will not affect current vehicle functionality

JEEP · 2025-10-25

Not applicable to vehicles built for US market. Multiple Systems Repair Bundle Campaign Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0133 - O2 Sensor 1/1 Slow Response. ● P2251 - O2 Sensor 1/1 Negative Current Control Circuit/Open. ● P0131 - O2 Sensor 1/1 Circuit Low. ● P2626 - O2 Sensor 1/1 Pump Cell Current Trim Circuit/Open. ● P0607 - ECU Internal Performance. ● C140A - Transfer Case Motor Control. ● P02EE - Cylinder 1 injector Circuit Performance. ● P02EF - Cylinder 2 injector Circuit Performance. ● P02F0 - Cylinder 3 Injector Circuit Performance. ● P02F1 - Cylinder 4 Injector Circuit Performance. ● U0109 - Lost Communication With Fuel Pump Control Module. ●…

JEEP · 2025-04-26

Multiple Systems Repair Bundle Campaign Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0133 - O2 Sensor 1/1 Slow Response. ● P2251 - O2 Sensor 1/1 Negative Current Control Circuit/Open. ● P0131 - O2 Sensor 1/1 Circuit Low. ● P2626 - O2 Sensor 1/1 Pump Cell Current Trim Circuit/Open. ● P0607 - ECU Internal Performance. ● C140A - Transfer Case Motor Control. ● P02EE - Cylinder 1 injector Circuit Performance. ● P02EF - Cylinder 2 injector Circuit Performance. ● P02F0 - Cylinder 3 Injector Circuit Performance. ● P02F1 - Cylinder 4 Injector Circuit Performance. ● U0109 - Lost Communication With Fuel Pump Control Module. ● P0330 - Knock Sensor 2 Circuit. ● P023B - Charge…

JEEP · 2025-04-22

"Multiple Systems Repair Bundle Campaign Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0133 - O2 Sensor 1/1 Slow Response. ● P2251 - O2 Sensor 1/1 Negative Current Control Circuit/Open. ● P0131 - O2 Sensor 1/1 Circuit Low. ● P2626 - O2 Sensor 1/1 Pump Cell Current Trim Circuit/Open. ● P0607 - ECU Internal Performance. ● C140A - Transfer Case Motor Control. ● P02EE - Cylinder 1 injector Circuit Performance. ● P02EF - Cylinder 2 injector Circuit Performance. ● P02F0 - Cylinder 3 Injector Circuit Performance. ● P02F1 - Cylinder 4 Injector Circuit Performance. ● U0109 - Lost Communication With Fuel Pump Control Module. ● P0330 - Knock Sensor 2 Circuit. ● P023B - Charge…

FORD, LINCOLN · 2024-04-25

Some 2018-2019 Explorer and 2018-2024 Transit/F-150/Expedition/Navigator vehicles may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P0627, P025A, P025B, P00C6, P008A and/or U0109 stored in the powertrain control module (PCM). Diagnosis should include checking for an intermittent or partial disconnect of the harness to the fuel pump control module (FPCM) connector, connector pin push-outs, damaged pins/terminals, or loose/corroded grounds. Confirm FPCM connector (Explorer - C3239, Transit - C433, F-150 - C460/C4336, Expedition/Navigator - C433/C4033) is fully seated and inspect applicable grounds (Explorer G302, Transit - G401, F-150 - G401, Expedition/Navigator - G403/G406) prior to performing guided diagnostics or replacing any components.

FORD, LINCOLN · 2024-04-25

Some 2020-2024 Explorer/Aviator vehicles may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P0627, P025A, P025B, P00C6, P008A and/or U0109 stored in the powertrain control module (PCM). Diagnosis should include checking the fuel pump monitor (VE518) and/or a fuel pump control (VE225) circuits, connector pin push-outs, damaged pins/terminals, and/or loose/corroded grounds. Inspect FPCM connector C433/C4033, ground G407, and inline connections C1147 and C3136 for being fully seated and damage free prior to performing guided diagnostics or replacing any components.

FORD · 2023-04-04

Some 2021-2023 Bronco Sport vehicles may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P025A, P025B, P00C6, P008A, P0627 and/or U0109 stored in the powertrain control module (PCM). This may be due to an intermittent or partial disconnect of the harness, connector pin push-outs or loose/corroded grounds to the fuel pump control module (FPCM) connector, PCM connector and/or battery junction box connector. Inspect the following connectors for 1.5L and 2.0L engines: C1551B, C1035A, C110, C401, C4033, C4330. Verify the connections are fully seated, without damage and/or pushed out pins/terminals prior to performing Workshop Manual (WSM) diagnostics or replacing any components. Inspect G404 and verify it's clean and secure. If any connector damage is found, repair as…

FORD, LINCOLN · 2023-01-19

Some 2018-2023 F-150, Expedition, Navigator, Transit, Aviator and Explorer vehicles may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P0627, P025A, P025B, P00C6, P008A and/or U0109 stored in the powertrain control module (PCM). This may be due to an intermittent or partial disconnect of the harness to the fuel pump control module (FPCM) connector, connector pin push-outs, damaged pins/terminals, or loose/corroded grounds. Inspect FPCM connector, applicable grounds (F-150 - G401, Expedition/Navigator - G403, Transit - G401, 2018-2019 Explorer G302, 2020-2022 Explorer/Aviator - G407) and confirm FPCM connector (F-150 - C4336, Expedition/Navigator - C433, Transit - C433, 2018-2019 Explorer - C3239, 2020-2022 Explorer/Aviator - C4033) is fully seated prior to performing…

FORD, LINCOLN · 2022-06-08

Some 2018-2022 F-150, Expedition, Navigator, Transit, Aviator and Explorer vehicles may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P0627, P025A, P025B, P00C6, P008A and/or U0109 stored in the powertrain control module (PCM). This may be due to an intermittent or partial disconnect of the harness to the fuel pump control module (FPCM) connector, connector pin push-outs, damaged pins/terminals, or loose/corroded grounds. Inspect FPCM connector, applicable grounds (F-150 - G401, Expedition/Navigator - G403, Transit - G401, 2018-2019 Explorer G302, 2020-2022 Explorer/Aviator - G407) and confirm FPCM connector (F-150 - C4336, Expedition/Navigator - C433, Transit - C433, 2018-2019 Explorer - C3239, 2020-2022 Explorer/Aviator - C4033) is fully seated prior to performing…

FORD · 2022-06-03

Some 2022 Maverick vehicles may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P025A, P025B, P00C6, P008A, P0627 and/or U0109 stored in the powertrain control module (PCM). This may be due to an intermittent or partial disconnect of the harness, connector pin push-outs or loose/corroded grounds to the fuel pump control module (FPCM) connector, PCM connector and/or battery junction box connector. Inspect the following connectors: C1381B (2.5L hybrid) or C1551B (2.0L engine), C1035A, C4033, C219, and C405. Verify the connections are fully seated, without damage and/or pushed out pins/terminals prior to performing Workshop Manual (WSM) diagnostics or replacing any components. Inspect G406 and verify it's clean and secure. If any connector damage is found, repair as…

FORD, LINCOLN · 2022-04-06

Some 2018-2022 F-150, Expedition, Navigator, Transit, Aviator and Explorer vehicles may exhibit an illuminated MIL with Diagnostic Trouble Codes (DTCs) P025A, P025B, P00C6, P008A and/or U0109 stored in the powertrain control module (PCM). This may be due to an intermittent or partial disconnect of the harness to the fuel pump control module (FPCM) connector, connector pin push-outs or loose/corroded grounds. Inspect FPCM connector, applicable grounds (F-150- G401, Expedition/Navigator- G403, Transit- G401, 2018-2019 Explorer G302, 2020-2022 Explorer/Aviator- G407) and confirm FPCM connector (F-150- C4336, Expedition/Navigator- C433, Transit- C433, 2018-2019 Explorer C3239, 2020-2022 Explorer/Aviator- C4033) is fully seated prior to performing PC/ED diagnostics or replacing any components.

GENESIS · 2021-07-23

This TSB provides consolidated diagnosis and repair information, currently in the shop manual, to address DTC U0109 / U010900 related to a communication error with the Fuel Pump Control Module (FPCM).

GENESIS · 2021-07-23

This TSB provides consolidated diagnosis and repair information, currently in the shop manual, to address DTC U0109 / U010900 related to a communication error with the Fuel Pump Control Module (FPCM).

HYUNDAI · 2021-07-23

This TSB provides consolidated diagnosis and repair information, currently in the shop manual, to address DTC U0109 / U010900 related to a communication error with the Fuel Pump Control Module (FPCM).

RAM · 2021-04-24

CEL (Check Engine Lamp) Lamp On, Crank No Start, DTC U0109, U016C Lost Communications With Fuel Pump Module

FORD, LINCOLN · 2021-02-23

Some 2018-2021 F-150, Expedition, Navigator, Transit, Aviator and Explorer vehicles may exhibit an illuminated MIL with DTC P025A And/Or DTC U0109 stored in the powertrain control module (PCM). This may be due to an intermittent or partial disconnect of the harness to the fuel pump control module (FPCM) connector, connector pin push-outs or loose/corroded grounds. Inspect FPCM connector, applicable grounds(F-150- G401, Expedition/Navigator- G403, Transit- G401, 2018-2019 Explorer G302, 2020-2021 Explorer/Aviator- G407) and confirm FPCM connector (F-150- C4336, Expedition/Navigator- C433, Transit- C433, 2018-2019 Explorer C3239, 2020-2021 Explorer/Aviator- C4033) is fully seated prior to performing PC/ED diagnostics or replacing any components.

FORD · 2018-11-08

Some 2018-2019 F-Super Duty vehicles equipped with a 6.7L engine built on 1-Dec-2017 and through 1-Aug-2018 may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P2122, P2127, U0401, U0109, P0480, P008A, P025C, P027A and/or P064A. This may be due to powertrain control module (PCM) connector C1232B not being properly seated to the PCM.

FORD · 2018-07-26

Some 2018 F-Super Duty vehicles equipped with a 6.7L engine built on 1-Dec-2017 and through 8-Jul-2018 may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P2122, P2127, U0401, U0109, P0480, P008A, P025C, P027A and/or P064A. This may be due to powertrain control module (PCM) connector C1232B not being properly seated to the PCM.

FORD · 2018-03-08

Some 2018 EcoSport vehicles equipped with a 2.0L Duratec engine may exhibit an illuminated MIL and/or a wrench lamp with diagnostic trouble codes (DTCs) P025A, P0103 and U0109 all present. Inspect for loose connections or pin pushouts at fuse F47, F11 and fuel pump relay located in the battery junction box (BJB). Inspect ground point G300 under front seat for correct torque. If no faults are found in this area, continue with normal diagnostics. Engineering is currently investigating. Monitor OASIS for updates.

FORD · 2016-12-09

SOME 2014-2016 TRANSIT CONNECT VEHICLES EQUIPPED WITH THE 2.5L ENGINE MAY EXHIBIT A CONSTANT OR INTERMITTENT ILLUMINATED MIL WITH VARIOUS DRIVABILITY ISSUES AND ONE OR MORE OF THE FOLLOWING DTCS: P0010, P0103, P0104, P0122, P0131, P0135, P0137, P0141, P0201-P0204, P0217, P0222, P0223, P025A, P0300, P0301-P0304, P0316, P0351-P0354, P0400, P0403, P0443, P1285, P1289, P128A, P1299, P2101, P2107, P2111, P2112, P2122, P2127 AND/OR U0109. FOLLOW THE SERVICE PROCEDURE STEPS TO CORRECT THE CONDITION.

FORD · 2016-04-13

Some 2012-2016 F-Super Duty vehicles equipped with a 6.2L or 6.8L engine built on or before 4/6/2016 may exhibit an illuminated malfunction indicator lamp (MIL) with DTCs P0627, P025A, P025B and/or U0109 stored in powertrain control module (PCM) memory.