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Service bulletin 21B52

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10201665
Published by NHTSA2021-09-30
Manufacturer's number21B52
Manufacturer's date2021-09-09
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE

NHTSA's summary

Certain 2021 Model Year F-150 Raptor Vehicles Equipped with 3.5L Ecoboost Engines and Pro Power Onboard Powertrain Control Module Reprogramming; In all of the affected vehicles, if the outlet cover located in the bed of the vehicle is open more than approximately 17 degrees (due to a device plugged in, debris, etc.), the vehicle will not shift out of park when started.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Transmission and driveline, Automatic transmission

Vehicles listed
FORD F-1502021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
26V4020002026-06-24. POWER TRAIN:AUTOMATIC TRANSMISSION
25V1690002025-03-14. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
22V1880002022-03-25. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
TSB 24-20972024-04-04. Service bulletin. Some 2021-2022 F-150 non-Lightning vehicles may exhibit an illuminated powertrain malfunction (wrench) indicator and Service Vehicle Soon message in the instrument panel cluster (IPC) with diagnostic trouble code (DTC) U031D in the powertrain control module (PCM) and no other drivability concerns. This may be due to the configuration of the PCM.
SSM 523712024-04-04. Service bulletin. Some 2021-2022 F-150 non-Lightning vehicles may exhibit an illuminated powertrain malfunction (wrench) indicator and Service Vehicle Soon message in the instrument panel cluster (IPC) with diagnostic trouble code (DTC) U031D in the powertrain control module (PCM) and no other drivability concerns. This may be due to the configuration of the PCM. To correct this condition, run the PCM - Disable Pro Trailer Hitch Assist application using the latest software level of the Ford Diagnosis and Repair System (FDRS) scan tool.
SSM 523492024-04-04. Service bulletin. Some 2021-2023 F-150 vehicles may exhibit DTC C0604:00 stored in the powertrain control module (PCM) and may have an Active Air Dam System Fault See Manual message displayed in the instrument panel cluster (IPC). To correct this condition, clear and retest for the DTC C0604:00. If DTC C0604:00 returns, refer to Workshop Manual (WSM) Section 501-19 Bumpers, Diagnosis and Testing for additional diagnosis.
SSM 522442024-02-14. Service bulletin. Some 2021-2023 F-150 vehicles equipped with a 3.5L PowerBoost hybrid engine, 2020-2023 Explorer vehicles equipped with a 3.3L hybrid engine and 2020-2023 Aviator vehicles equipped with a 3.0L hybrid engine may exhibit a malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0A1E stored in the powertrain control module (PCM) and auto start/stop disabled. This may be due to a loose wiring connection to the belt integrated starter generator (BISG). The Workshop Manual (WSM) has recently been updated to provide new direction for DTC P0A1E. Refer to the WSM, Section 303-06 Starting System, Diagnosis and Testing, Starting System for applicable diagnosis.
OTA23PU0630YAW2024-02-07. Service bulletin. Software Update 23-PU0630-YAW-RT for 2021 MY F-150 vehicles is now available. Quality Improvements include: -Correct the Generator voltage desired (GENVDSD) parameter identification (PID) missing from the powertrain control module (PCM) PID list in the Ford Diagnosis And Repair System (FDRS) scan tool. Refer TSB 23-2154 - Robustness action in operation of vehicle to detect low-state-of-charge battery and prevent potential engine stall, as well as provide improved warning to customers when low-state-of-charge conditions exist. - Robustness action to prevent potential line pressure drift DTC P084B from setting. - Eliminate potential ABS Yaw Rate Calibration issue. - Robustness action to alleviate the Nuisance SSN (Stop Safely Now) mesage from setting and vehicle should operate as expected in the next Key Start event - Eliminates potential Emergency Parking Brake activation when wire harness experience a short.
TSB 23-24292024-01-05. Service bulletin. This article supersedes TSB 23-2363 to add 2021-2022 vehicle model years, update the symptom and the causal part. Some 2021-2023 F-150 vehicles equipped with a 3.5L PowerBoost engine may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P084B stored in the powertrain control module (PCM). This may be due to the software level of the PCM. To correct this condition, perform the Service Procedure below to reprogram the PCM to the latest software level via the Ford Diagnosis and Repair System (FDRS).
SSM 515092023-04-06. Service bulletin. Some 2021-2023 F-150 vehicles equipped with a 3.3L engine may exhibit an illuminated MIL in the instrument panel cluster (IPC) with DTC P0171 stored in the powertrain control module (PCM). This may be due to the software of the PCM. Engineering is currently investigating this concern. To temporarily address this issue, clear the DTC and run the PCM - Reset the Keep Alive Memory (KAM) application in the Ford Diagnosis and Repair System (FDRS). Inform the customer they can continue to drive the vehicle. Monitor OASIS for additional updates.
TSB 23-20312023-04-04. Service bulletin. Some 2021-2022 F-150 vehicles equipped with a 3.5L PowerBoost engine may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P2C44:00 stored in the powertrain control module (PCM). This may be due to the software in the PCM and the auxiliary battery isolator. To correct the condition, follow the Service Procedure to reprogram the PCM and replace the auxiliary battery isolator.
TSB 23-20152023-01-31. Service bulletin. 2021-2022 F-150 vehicles with 2.7L, 3.3L, 3.5L EcoBoost or 5.0L engines, 2020-2022 Transit vehicles with 3.5L Duratec/3.5L EcoBoost engines, 2023 Bronco with the 2.3L engine having charging system diagnostics performed in the Workshop Manual (WSM) may experience the generator voltage desired (GENVDSD) parameter identification (PID) missing from the powertrain control module (PCM) PID list in the Ford Diagnosis And Repair System (FDRS) scan tool. This may be due to a software parameter in the PCM. To correct the condition, follow the Service Procedure to reprogram the PCM.
SSM 510492022-08-30. Service bulletin. Some 2021-2022 F-150 vehicles equipped with a 2.7L EcoBoost engine may experience and illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P2ABA, P2ABC, P2AB7 and/or P2AB9 stored in the PCM. This condition does not affect vehicle durability and no additional diagnosis or service is required for this condition at this time. If no other DTCs or drivability symptoms are present, clear the DTCs and return the vehicle to the customer. Inform customers that they can continue to drive the vehicle and engineering is currently working on a solution for this condition that is expected in October 2022. Monitor OASIS for additional information and schedule service appointments for customers once the repair becomes available.