P2450 · Comunicaciones del fabricante

FORD · 2026-10-16

This bulletin supersedes 26-2238. Reason for update: To update the Service Procedure to include diagnostics for the fuel vapor vent valve and the fuel tank isolation valve. Some of the vehicles listed in the Model statement above may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P2450 stored in the powertrain control module (PCM). This may be due to a concern with the fuel vapor vent valve and/or the fuel tank isolation valve.

FORD, LINCOLN · 2026-09-29

This bulletin supersedes 25-2326. Reason for update: update the service procedure to include the fuel tank isolation valve replacement, update the causal part number, and increase the labor time allowance to include the fuel tank isolation valve replacement. Some of the vehicles listed in the Model statement above may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P2450 stored in the powertrain control module (PCM). This may be due to the software in the PCM and/or the fuel tank isolation valve.

FORD · 2026-05-14

This article supersedes TSB 26-2130 to update labor operation to reprogram the PCM and check EVAP system from actual time to fixed time, and add extra time to reprogram coordinated modules (if required). Some of the vehicles listed in the Model statement above may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P2450 stored in the powertrain control module (PCM). This may be due to the software in the PCM.

FORD, LINCOLN · 2026-04-01

Some vehicles listed in the Model section above may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P2418:72 and/or P2450 stored in the PCM. This may be due to improperly connected evaporative emission line connections inside the fuel tank.

FORD · 2026-03-24

This article supersedes TSB 25-2246 to update the Service Procedure and add Step 2 to verify the EVAP system integrity after the coordinated software updates. Some of the vehicles listed in the Model statement above may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P2450 stored in the powertrain control module (PCM). This may be due to the software in the PCM.

JEEP · 2025-12-13

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician must find one or more of the following Diagnostic Trouble Codes (DTC)s have been set: ● P2450 - Fuel Tank Isolation Valve Stuck Open. ● P1D83 - Implausible Engine Oil Temperature Signal Received. Customers may comment on one or more of the following: ● Fuel Door will not open due to intermittent Fuel Tank Isolation Valve (FTIV) Stuck Open. ● Reduced fuel efficiency. In addition, the following software enhancement is available: ● Hood Switch changes. This bulletin involves reprogramming the PCM, HCP and AHCP, also known as the Power Inverter Module (PIM) with the latest available software

JEEP · 2025-12-13

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician must find one or more of the following Diagnostic Trouble Codes (DTC)s have been set: ● P2450 - Fuel Tank Isolation Valve Stuck Open. ● P1D83 - Implausible Engine Oil Temperature Signal Received. Customers may comment on one or more of the following: ● Fuel Door will not open due to intermittent Fuel Tank Isolation Valve (FTIV) Stuck Open. ● Reduced fuel efficiency. In addition, the following software enhancement is available: ● Hood Switch changes. This bulletin involves reprogramming the PCM, HCP and AHCP, also known as the Power Inverter Module (PIM) with the latest available software.

JEEP · 2025-12-13

Flash: Powertrain Control Module (PCM) Updates **Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician must find one or more of the following Diagnostic Trouble Codes (DTC)s have been set: ● P2450 - Fuel Tank Isolation Valve Stuck Open. ● P1D83 - Implausible Engine Oil Temperature Signal Received. Customers may experience one or more of the following: ● Fuel Door will not open due to intermittent Fuel Tank Isolation Valve (FTIV) Stuck Open. ● Reduced fuel efficiency.** ● Excessive oil life degradation shown when viewing fuel and oil data screen. **In addition, the following software enhancement is available: ● Hood Switch changes.** This bulletin involves reprogramming the PCM with the latest available software

ALFA ROMEO · 2025-11-18

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P2450 - Fuel Tank Isolation Valve "A" Circuit Open. Customers may experience the following: Fuel door will not open This bulletin involves reprogramming the PCM with the latest available software.

ALFA ROMEO · 2025-11-15

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P2450 - Fuel Tank Isolation Valve "A" Circuit Open. Customers may also experience the following: Fuel door will not open This bulletin involves reprogramming the PCM with the latest available software.

DODGE · 2025-11-15

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P2450 - Fuel Tank Isolation Valve "A" Circuit Open. Customers may experience the following: Fuel door will not open This bulletin involves reprogramming the PCM with the latest available software.

DODGE · 2025-11-15

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P2450 - Fuel Tank Isolation Valve "A" Circuit Open. Customers may experience the following: Fuel door will not open This bulletin involves reprogramming the PCM with the latest available software.

LINCOLN · 2025-08-01

Some of the vehicles listed in the Model statement above may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P2450 stored in the powertrain control module (PCM). This may be due to the software level of the PCM.

JEEP · 2025-07-19

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle mustexhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P04B5 - Fuel Fill Door Stuck Open. ● P1D83 - Implausible Engine Oil Temperature Signal Received.** ● P2450 - Fuel Tank Isolation Valve Stuck Open. ● P0032 - O2 Sensor 1/1 Heater Circuit High. ● P2097 - Downstream Fuel Trim System 1 Rich. ● P0171 - Fuel System 1/1 Lean. ● P0300 - Multiple Cylinder Misfire. ● P06E4 - Control Module Wake-Up Circuit Performance. ● B12B4 - Charge Status Indicator Module Internal. ● P061B - Internal Control Module Torque Calculation Performance. ● P0810 - Clutch Position Control Error. ● P2885 - Engine Disconnect Clutch Engagement Fault.…

FORD, LINCOLN · 2025-07-19

Some of the vehicles listed in the Model statement above may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P2450 stored in the powertrain control module (PCM). This may be due to the software level of the PCM.

FORD, LINCOLN · 2025-06-25

Some 2020-2023 Explorer/Aviator, 2020-2025 Police Interceptor Utility, 2020-2022 Escape/Corsair, and 2022-2024 Maverick vehicles equipped with a hybrid powertrain may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P2450:00 stored in the powertrain control module (PCM). This may be due to an evaporative emission system concern or may also be caused by the customer overfilling the fuel tank. If this condition occurs, perform normal diagnosis per Workshop Manual (WSM) Section, 303-13 and repair as necessary. Inform the customer that the condition may have been caused by overfilling of the fuel tank and to not top-off the fuel tank when the fuel pump nozzle automatically shuts off for the first time. Refer the customer to the Fuel and Refueling…

FORD · 2025-06-09

This article supersedes TSB 25-2165 to update the labor operation allowance and update the Service Procedure. Some of the vehicles listed in the Model statement above may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P2450 stored in the powertrain control module (PCM). This may be due to the software level of the PCM.

CHRYSLER, JEEP · 2025-05-31

"Unable To Refuel Vehicle Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P2450 - Fuel Tank Isolation Valve Stuck Open. Customers may also comment on one or more of the following: ● Unable to open the fuel door. ● Difficult to refuel vehicle. This bulletin involves replacing the fuel vapor valve."

JEEP · 2025-05-24

"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): ● **P2450 - Fuel Tank Isolation Valve Stuck Open.** ● P0032 - O2 Sensor 1/1 Heater Circuit High. ● P2097 - Downstream Fuel Trim System 1 Rich. ● P0171 - Fuel System 1/1 Lean. ● P0300 - Multiple Cylinder Misfire. ● P06E4 - Control Module Wake-Up Circuit Performance. ● B12B4 - Charge Status Indicator Module Internal. ● P061B - Internal Control Module Torque Calculation Performance. ● P0810 - Clutch Position Control Error. ● P2885 - Engine Disconnect Clutch Engagement Fault. Customers may also experience one or more of the following: ● **""Service Hybrid System"" message…

FORD · 2025-05-06

Some of the vehicles listed in the Model statement above may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P2450 stored in the powertrain control module (PCM). This may be due to the software level of the PCM.

FORD, LINCOLN · 2025-04-08

Some 2020-2023 Explorer/Aviator, 2020-2025 Police Interceptor Utility, 2020-2025 Escape/Corsair, 2022-2025 Maverick, and 2024-2025 Nautilus vehicles equipped with a hybrid powertrain may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P2450:00 stored in the powertrain control module (PCM). This may be due to an evaporative emission system concern or may also be caused by the customer overfilling the fuel tank. If this condition occurs, perform normal diagnosis per Workshop Manual (WSM) Section, 303-13 and repair as necessary. Inform the customer that the condition may have been caused by overfilling of the fuel tank and to not top-off the fuel tank when the fuel pump nozzle automatically shuts off for the first time. Refer the customer to the…

BENTLEY · 2022-03-01

P245000 - EVAP System Switching Valve "A" Performance/Stuck Open DTC logged - V8 Kovomo. Customer statement / workshop findings: Emission control system warning light illuminated within the DIP (Figure 1). Workshop findings: DTC P245000 - EVAP System Switching Valve "A" Performance/Stuck Open - With symptom code 11952 Technical background: Refer to the Measure section of this TPI

BENTLEY · 2022-03-01

P245000 - EVAP System Switching Valve "A" Performance/Stuck Open DTC logged - Bentayga V8 Kovomo. Customer Statement: Emission control system warning light illuminated within the DIP (Figure 1) Figure 1 Workshop findings DTC P245000 - EVAP System Switching Valve "A" Performance/Stuck Open - With symptom code 11952. Measure: Fuel System vapours are extremely flammable. Please refer to the Repair manual "Fuel system - Safety precautions" before commencing with any fuel system procedures 1) Referring to the applicable wiring diagram conduct a wiring integrity check of the Leak Detection Pump wiring circuit and connectors 2) Perform a smoke test of the leak detection system - Monitor for any leaks 3) If no faults were found - Refer to Rep.Gr 20 - Replace the leak detection pump (V144) 4)…

BENTLEY · 2021-09-03

P245000 - EVAP System Switching Valve "A" Performance/Stuck Open DTC logged - V8 Kovomo. Customer Statement: Emission control system warning light illuminated within the DIP. Workshop findings: DTC P245000 - EVAP System Switching Valve A Performance/Stuck Open - With symptom code 11952 Technical Background: Refer to the Measure section of this TPI.

BENTLEY · 2021-07-01

P245000 - EVAP System Switching Valve A Performance/Stuck Open DTC logged - V8 Kovomo. Customer Statement: Emission control system warning light illuminated within the DIP. Workshop findings: DTC P245000 - EVAP System Switching Valve A Performance/Stuck Open - With symptom code 11952 Technical background: Refer to the Measure section of this TPI

BENTLEY · 2021-07-01

P245000 - EVAP System Switching Valve A Performance/Stuck Open DTC logged - Bentayga V8 Kovomo. Customer Statement: Emission control system warning light illuminated within the DIP (Figure 1). Workshop findings: DTC P245000 - EVAP System Switching Valve A Performance/Stuck Open - With symptom code 11952 Technical background: Refer to the Measure section of this TPI

FORD, LINCOLN · 2019-11-01

Some 20132017 C-MAX Energi, 20172018 C-MAX Hybrid, 20132020 Fusion Energi and 2017-2020 Fusion/MKZ Hybrid vehicles may exhibit an illuminated malfunction indicator lamp (MIL) with any of the following diagnostic trouble codes (DTCs): P0496, P1450, P04ED, P04EF, P04EE, P2450, P2451. When performing pinpoint test (PPT) HX in the Powertrain Controls and Emission Diagnosis (PC/ED) Manual for the referenced DTCs, incorrect results may be obtained due to an internal powertrain control module (PCM) software conflict. In order to make sure the PPT provides accurate results, immediately prior to step HX22, make sure the fuel door is fully latched and then press the fuel door release button. Keep the door open while completing HX22, then fully latch again, prior to continuing the remainder of…

FORD · 2018-12-21

Some 2015 F-150 vehicles equipped with a 2.7L EcoBoost engine built on or before 5-Oct-2015 may exhibit an illuminated MIL with DTC P2450 stored in powertrain control module (PCM). Follow the Service Procedure steps to correct the condition.

FORD · 2018-08-21

Some 2018 F-150 vehicles equipped with a 3.3L Duratec/3.5L EcoBoost/5.0L built on or before 23-Jul-2018 at Dearborn Truck Plant or 31-Jul-2018 at Kansas City Assembly Plant may exhibit an illuminated MIL with DTC P2450 and/or P144C stored in the powertrain control module (PCM). Follow the Service Procedure steps to correct the condition.

LAND ROVER · 2014-02-07

"ISSUE: THE ENGINE MIL IS ILLUMINATED AND ONE OF THE FOLLOWING DTC'S ARE SET: P2401-00, P2402-00, P2404-29, P2404- 2F, P2405-00, P2406-00, P240A-00, P240B-00, P240C- 00, P2450-00 OR P2451-00 CAUSE: IF NO FAULT IS FOUND ON THE VEHICLE HAVING FOLLOWED THE LATEST DIAGNOSTIC GUIDANCE IN TOPIX, THE CAUSE MAY BE AN INTERNAL DMTL PUMP FAILURE."