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Service bulletins for the 2023 Ford F-550

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

284 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
SSM 545342026-02-04. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. Some 2021-2025 F-150, 2022-2025 Expedition/Navigator, 2023-2025 F-Super Duty, 2024-2025 Ranger and 2026 Transit vehicles may exhibit a discharged battery and/or a no crank/no start condition. The vehicle may also exhibit a clicking noise from the trailer module (TRM) while the vehicle is off. This may be due to software in the TRM.<br /><br /> Verify the TRM software part number in the vehicle using Ford diagnosis and repair system (FDRS) to be PC3T-19J297-BF, PC3T-19J297-FF, ML3T-19J297-CD or ML3T-19J297-GD. To confirm a vehicle is equipped with a certain software level, review the software information by hovering over the "Diagnostics" tab in Professional Technician System (PTS) and selecting "Vehicle Software". If one of the listed software part numbers is present, follow the Service Procedure to reprogram the TRM. For vehicles with any other software part number in the TRM, refer to Workshop Manual (WSM), Section 414-01 to continue with normal diagnostics outside of this article. For claiming use causal part 19H332 and labor operation 2006D and 2006D45 of the Service Labor Time Standards (SLTS) Man
ECG2-25.2.8.5 SuperDuty2026-02-04. Over-the-air update. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. "Quality improvements include: -Enhanced FordPass connectivity"
SSM 543332025-11-04. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES; STEERING. Some 2023-2025 F-Super Duty vehicles may exhibit a no crank/no start or intermittent no crank/no start with multiple warning indicators and DTC U0100 stored in the anti-lock brake system (ABS), audio front control module (ACM) and power steering control module (PSCM). This may be due to an incorrectly tightened ground 113 (G113). Inspect G113 for proper connection and tighten to 12 Nm (8.9 ft-lb). If the condition remains after tightening G113, perform normal diagnostics outside of this article. Refer to Workshop Manual, Section 303-06 Starting System. For claiming, use causal part 12A581 and labor operations 12650D and 12650D45WR of the Service Labor Time Standards (SLTS) Manual.
SSM 543172025-10-28. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. Some 2021-2025 F-150, 2022-2025 Expedition/Navigator, 2023-2025 F-Super Duty, 2024-2025 Ranger and 2026 Transit vehicles may exhibit a discharged battery and/or a no crank/no start condition. The vehicle may also exhibit a clicking noise from the trailer module (TRM) while the vehicle is off. This may be due to software in the TRM.<br /><br />Verify the TRM software part number in the vehicle using Ford diagnosis and repair system (FDRS) to be PC3T-19J297-BF, PC3T-19J297-FF, ML3T-19J297-CD or ML3T-19J297-GD. To confirm a vehicle is equipped with a certain software level, review the software information by hovering over the "Diagnostics" tab in Professional Technician System (PTS) and selecting "Vehicle Software". If one of the listed software part numbers is present, follow the Service Procedure to reprogram the TRM. For vehicles with any other software part number in the TRM, refer to Workshop Manual (WSM), Section 414-01 to continue with normal diagnostics outside of this article. For claiming use causal part 19H332 and labor operation 12651D and 12651D4 of the Service Labor Time Standards (SLTS)
SSM 543132025-10-28. Service bulletin. LANE DEPARTURE: BLIND SPOT DETECTION; ELECTRICAL SYSTEM. Some 2020-2025 various Ford and Lincoln vehicles equipped with blind spot information system (BLIS) may experience an inoperative blind spot monitoring with a "Blind Spot System Fault" message displayed in the instrument panel cluster (IPC). This may also be accompanied by diagnostic trouble codes (DTCs) B118C:11 and/or B118C:15 stored in the driver door module (DDM), and/or B118D:11 and/or B118D:15 stored in the passenger door module (PDM). This may be due to the wiring connector from the mirror to the BLIS module. If diagnostics lead to an internal mirror wiring harness fault, a new lower level BLIS light pigtail is now released for service. It is not necessary to replace the exterior mirror assembly. Use part number SC3Z-14A411-B to resolve the concern.
TSB 25-25152025-10-28. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Some of the vehicles listed in the Model statement above may exhibit an incorrectly illuminated MIL with DTC P0384 stored in the powertrain control module (PCM). This may be due to the calibration in the PCM. This condition does not affect vehicle drivability or durability.
TCU-25.2.5.9.1 SuperDuty2025-09-03. Over-the-air update. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. "Quality improvements include: -Prevents Telematics Control Unit memory from going over 70%. Ensuring it has enough space to install the latest Over The Air updates"
SSM 541732025-09-02. Service bulletin. ELECTRICAL SYSTEM. Some 2023-2025 F-Super Duty vehicles may exhibit a no crank/no start or intermittent no crank/no start with multiple warning indicators and DTC U0100 stored in the anti-lock brake system (ABS), audio front control module (ACM) and power steering control module (PSCM). This may be due to an incorrectly tightened ground 113 (G113). Inspect G113 for proper connection and tighten to 12 Nm (8.9 ft-lb). If the condition remains after tightening G113, continue with normal diagnostics. Refer to Workshop Manual, Section 303-06 Starting System outside of this article. For claiming, use causal part 12A581 and labor operations 12650D and 12650D45WD.
SSM 541722025-09-02. Service bulletin. ELECTRICAL SYSTEM. Some 2023-2025 F-Super Duty vehicles may exhibit multiple warning indicators with DTCs U0252, U0137, U0199, U0438 stored in the body control module (BCM), image processing module A (IPMA), power steering control module (PSCM), instrument panel cluster (IPC) and/or inoperative power windows and locks. This may be due to an incorrectly tightened ground 201 (G201). Inspect G201 for proper connection, locating tab insertion, and tighten to 8 Nm (6 lb-ft). If the condition remains after tightening G201, continue with normal Workshop Manual diagnostics outside of this article. For claiming, use causal part 14A005 and labor operation MT14A005SSM up to 1.0 hours.
SYNC-25.2.1.6.5 SD2025-08-22. Over-the-air update. VISIBILITY/WIPER; ELECTRICAL SYSTEM; UNKNOWN OR OTHER. "Quality improvements include: -Addresses rear-view camera image being obstructed by the passcode screen when the vehicle start inhibit is enabled -Customers will be able to finish the Trailer Backup Assist setup without the camera screen showing, interrupting the process -Rear seat occupant center screen alert will show when opening the door and shutting off the engine -Improved audio experience while using CarPlay or Android Auto"
SSM 541152025-08-12. Service bulletin. VISIBILITY/WIPER; ELECTRICAL SYSTEM. Some 2023-2025 F-150 and F-Super Duty vehicles equipped with minor feature code B2DAC may exhibit an inoperative rear passenger window. To confirm a vehicle is built with a certain minor feature code, review the build information by clicking "Additional Information" under Vehicle Information or double-clicking the vehicle identification number (VIN) in the upper left corner in the Professional Technician System (PTS). This may be due to an open diode in the window switch. To correct the condition, replace the window switch of the affected window. If the condition persists, continue with normal diagnostics outside of this article. Refer to Workshop Manual, Section 501-11. For claiming, use causal part 14529 and labor operation 14529A of the Service Labor Time Standards (SLTS) Manual.
SSM 540902025-08-04. Service bulletin. ELECTRICAL SYSTEM. Some 2021-2025 Ford and Lincoln vehicles equipped with SYNC4/Digital Experience may exhibit an unsuccessful telematics control unit module (TCU) software update or software activation during a universal serial bus (USB) update. This may be due to the vehicle connectivity setting being disabled.
TSB 25-23222025-07-24. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This article supersedes TSB 25-2200 to update the parts list to add the new camshaft and tappet service kit and add F-650/F-750. Some of the vehicles listed in the Model statement above may exhibit an upper engine ticking or tapping noise at idle. Customers may also report experiencing rough engine performance, engine misfire, or a malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0301-P0308 in the powertrain control module (PCM). This may be due to camshaft and/or valve tappet having excess wear within the engine assembly.
SSM 540522025-07-24. Service bulletin. ELECTRICAL SYSTEM; STEERING. Some 2023-2025 F-Super Duty vehicles may display an error during replacement of the SCCM that contains the following message: "Reprogramming has failed, would you like to retry?". If this error is present, the SCCM will not complete PMI and may store diagnostic trouble codes (DTC) U2100 and/or U2101 in the SCCM. This may be due to a concern with the compatibility of the software with a hardware change in the SCCM. To correct the condition, download and run the "SCCM - Steering Column Control Module (SCCM) Configuration" application in the Ford Diagnosis and Repair System (FDRS). Inform customers that although the PMI is incomplete, there is no affect on vehicle performance. Customers can continue to drive the vehicle. To make sure the vehicle correctly receives the latest SCCM software, engineering is currently working on a solution for this condition that is expected in late Q3 2025. Monitor Professional Technician System (PTS) for additional information and schedule service appointments for customers once the software becomes available.
SSM 539802025-07-02. Service bulletin. ELECTRICAL SYSTEM. Some 2023-2025 F-Super Duty vehicles may exhibit multiple warning indicators with DTCs U0252, U0137, U0199, U0438 stored in the body control module (BCM), image processing module A (IPMA), power steering control module (PSCM), instrument panel cluster (IPC) and/or inoperative power windows and locks. This may be due to an incorrectly tightened ground 201 (G201). Inspect G201 for proper connection, locating tab insertion, and tighten to 8 +/- 1.2 Nm. If the condition remains after tightening G201, continue with normal Workshop Manual diagnostics.
SSM 539662025-06-24. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. Some 2021-2025 Ford/ Lincoln vehicles equipped with SYNC4 may not be able to perform an update to the accessory protocol interface module (APIM). This may be due to the software in the APIM. Ford Engineering has de-activated the ability to update these SYNC4 APIM modules as applicable, and the Ford Diagnosis and Repair System (FDRS) will not present an update for the APIM module. Some existing directed repairs may be impacted, check Professional Technician System (PTS) before attempting any specific technical service bulletin (TSB)/special service message (SSM) and check field service action (FSA) landing pages before attempting any FSA repairs. For any vehicle repairs requiring a software update that includes an APIM update in the programming sequence, if the 5-digit product code for the APIM software is equal to or lower than 23187, do not attempt to update affected modules at this time. To determine the 5-digit product code for the APIM software on the vehicle, while the vehicle center display screen is powered up with ignition in run or accessory, go to Settings > General > About SYNC.
SSM 538892025-06-19. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM. Some 2023-2025 F-Super Duty vehicles equipped with a trailer brake control module may exhibit a "Trailer Disconnected" message after cycling the ignition off and back on with a trailer connected. This may be due to the presence of an integrated battery charger on a trailer equipped with electric over hydraulic brakes. If trailer functionality is restored after unplugging and plugging the trailer connector back in while the ignition is on, this condition can be corrected by downloading and performing the "Trailer Brake Configuration" application using the latest version of the Ford Diagnosis and Repair System (FDRS) scan tool. For claiming, use causal part 19H332 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
TSB 24-22102024-07-18. Service bulletin. ELECTRICAL SYSTEM. This article supersedes TSB 23-2426 to update the list of modules needing a software update in the Service Procedure. Some 2023 F-Super Duty chassis cab vehicles equipped with a 6.7L engine may exhibit an engine coolant temperature gauge falsely reading at the high end of the normal range while towing in high ambient temperatures with no diagnostic trouble codes (DTC) stored in the powertrain control module (PCM) or warning messages present in the instrument panel cluster (IPC). This may be due to the software in the IPC. To correct the condition, follow the Service Procedure to reprogram the IPC. Note: Some vehicles built on or before 28-Feb-2023 may have TSB 23-2426 performed previously, but no IPC software update was available at that time. NOTE: The IPC software update that addresses the symptom listed in this bulletin may have been sent via Ford Power-Up software updates delivered over-the-air (OTA) to connected vehicles that have automatic updates enabled through the center display screen. Enter the vehicle identification number (VIN) in Professional Technician System (PTS) and check the "OTA Dashboard" under the "Connected Vehicle" tab for OTA update history. If an update to the IPC has successfully completed recently and the customer is reporting thesymptoms are no longer present, this article may not apply.
SSM 525972024-06-10. Service bulletin. ELECTRICAL SYSTEM. 2024 F-Super Duty vehicles equipped with a diesel engine and dual generators built on or after 02-May-2024 now utilize an accessory drive belt that is grooved on one side only. Prior to this build date, a dual groove accessory drive belt was used for this application. The accessory drive belt should not be considered a misbuild and not be changed to the dual-sided design.
OTASU6.3.0SYNCSD2024-05-06. Service bulletin. ELECTRICAL SYSTEM. Quality improvements include: -Robustness action to improve the SYNC reboot issue that may occurs after 2 hours of continuous use. -Rear Seat Occupant Alert will re-trigger after Clear Exit Assist Alert ends. -Various other vehicle enhancement updates includes In vehicle Voice Feedback, Phone as a Key, Enable Customer Approach Detectability.
OTASU610ECG2RC92024-05-06. Service bulletin. ELECTRICAL SYSTEM. Quality improvements include: Rear Seat Occupant Alert will re-trigger after Clear Exit Assist Alert ends. Share Vehicle Analytics Customer Connectivity Setting toggle will become visible and be set to a regionally dependent default value. User (Fleet Owner) shall have the ability to execute inhibit/de-inhibit and scheduled inhibit/de-inhibit requests to vehicle.
TSB 24-20832024-04-03. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. This article supersedes TSB 24-2030 to update the production fix date. Some 2023-2024 F-Super Duty vehicles built on or before 07-Feb-2024 and equipped with a 6.7L engine may exhibit an intermittent interruption of a split shaft PTO system installed by an upfitter. This may be due to the software in the powertrain control module (PCM).
TSB 24-20662024-04-03. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. This TSB supersedes article 24-2036 to update the vehicles affected. Some 2023-2024 F-Super Duty pickup vehicles built on or before 02-Jan-2024 equipped with a 6.7L engine may exhibit an illuminated MIL with diagnostic trouble codes (DTC) P0133, P0139, and/or P0145 stored in the powertrain control module (PCM). This may be due to the software in the PCM and does not affect vehicle operation.
TSB 24-20552024-04-03. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Some 2023 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P20A5 stored in the powertrain control module (PCM). This may be due to the software in the glow dosing module (GDM) and does not affect vehicle operation. Due to on-board diagnostic (OBD) functionality, the GDM may be referred to as the secondary OBD control module (SOBDMC) in the Ford Diagnosis and Repair System (FDRS) scan tool.
SSM 523452024-03-20. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Some 2022-2024 various Ford/Lincoln vehicles equipped with SYNC 4 may experience concern where customers are receiving an error message when trying to enroll in connected services. This may be due to the gateway module (GWM) software. To correct the concern, download and run the Transport and Factory Mode Deactivation app: under HS1 modules select BCM > Transport and Factory Mode > Download > Run. When the pop-up message appears for Change Vehicle Mode - Transport/Factory/Normal Mode, press OK. This will proceed to the Transport and Factory Mode Deactivation screen, select Unlock Vehicle Connectivity Settings (21 MY + Vehicles). A pop-up message appears noting Vehicle Is Now In Normal Mode, select OK. This will return to the Transport and Factory Mode Deactivation screen, select Exit. A final pop-up notification stating that the application is finished, select OK. For claiming, use causal part 14G490 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.