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Service bulletin SSM 49930

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 id10199501
Published by NHTSA2021-08-02
Manufacturer's numberSSM 49930
Manufacturer's date2021-07-05
NHTSA componentENGINE AND ENGINE COOLING; POWER TRAIN

NHTSA's summary

Some 2020-2021 Escape and 2021 Bronco Sport vehicles equipped with the 1.5L engine may exhibit a lugging vibration and/or boom noise while driving in gears 5-8 at approximately 1500 engine revolutions per minute (RPM). This may be felt more when the engine is under a light to moderate load. A vibration and/or boom noise could be generated from the firing frequency of the 3 cylinders or when cylinder deactivation occurs and the engine is running on 2 cylinders. Compare to a like vehicle before attempting to diagnose as this condition may be characteristic. Setting the vehicle's drive mode to SPORT may eliminate the condition by changing the shift points of the transmission. Refer to the Owner's Manual for information on drive mode control and how to select them.

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

Vehicles listed
FORD BRONCO SPORT2021
FORD ESCAPE2020, 2021

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

Recalls for the same vehicles and component
20260722026-02-18. Engine
25V8810002025-12-18. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
20253762025-07-14. Engine
20252832025-05-23. Engine
25V3450002025-05-23. ENGINE
20251342025-03-14. Engine
25V1580002025-03-14. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM
20242702024-05-10. Powertrain
24V3300002024-05-10. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
24V2670002024-04-12. ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; 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
25M032026-09-01. Other. Customer Satisfaction Program 25M03 Certain 2020-2025 Model Year Escape, 2021-2025 Model Year Corsair and 2022- 2025 Model Year Maverick Vehicles equipped with a 2.5L Hybrid or Plug-In Hybrid engine - Exhaust Gas Recirculation (EGR) Differential Pressure Sensor Replacement, if Required After Dealer Evaluation
TSB 26-23282026-07-20. Service bulletin. This bulletin supersedes 26-2194. Reason for update: update the Parts list to correct a part description " Loctite 638", update the claim quantity for the drain/fill plug, update the claim quantity of the wheel hub bolts (Corsair) and limited the parts list for Edge/Nautilus to only the rear drive unit fluid. Some of the vehicles listed in the Model statement above may exhibit all of the following conditions: Shudder chatter condition, most noticeable at low speeds turning No relevant diagnostic trouble codes (DTCs) present This may be due to internal rear drive unit (RDU) fluid contamination.
SSM 549392026-06-22. Service bulletin. Some 2020-2026 Corsair/Escape, 2021-2026 Bronco Sport, and 2022-2026 Maverick vehicles equipped with an 8F35 transmission may exhibit a shudder condition, most noticeable at speeds below 60 mph (100 km/h), with no relevant diagnostic trouble codes (DTC) stored in the powertrain control module (PCM). Sometimes, this may be perceived/felt as an engine misfire. This may be due to the torque converter. If Pinpoint Test K: Torque Converter Clutch Operation in Workshop Manual (WSM), Section 307-01 > Diagnosis and Testing > Diagnosis by Symptom directs to replace the torque converter, remove and replace the torque converter and torque converter seal. Refer to WSM, Section 307-01 > Removal and Installation > Torque Converter Seal. Remove the main control valve body. Refer to WSM, Section 307-01 > Removal and Installation > Main Control Valve Body. Overhaul and thoroughly clean the main control valve body. Refer to WSM, Section 307-01 > Overhaul > Main Control Valve Body. Reverse the removal procedure to reassemble the transmission. Install the transmission. Refer to WSM, Section 307-01 > Installation. For claim
25B512026-06-05. Other. Certain 2021-2024 Model Year Bronco, 2021-2024 Model Year Bronco Sport, 2020-2022 Model Year Corsair and Escape, 2016-2024 Model Year Explorer, 2019-2020 Model Year Fusion, 2016-2018 Model Year Focus RS, 2022-2024 Model Year Maverick, 2016-2019 Model Year MKC and 2019-2024 Model Year Ranger Vehicles Equipped with a 2.0L or 2.3L Engine and Engine Block Heater System Block Heater Replacement
SSM 547972026-05-08. Service bulletin. Some 2020-2026 Corsair/Escape, 2021-2026 Bronco Sport, and 2022-2026 Maverick vehicles equipped with an 8F35 transmission may exhibit a shudder condition, most noticeable at speeds below 60 mph (100 km/h), with no relevant diagnostic trouble codes (DTC) stored in the powertrain control module (PCM). Sometimes, this may be perceived/felt as an engine misfire. This may be due to the torque converter. If Pinpoint Test K: Torque Converter Clutch Operation in Workshop Manual (WSM), Section 307-01 > Diagnosis and Testing > Diagnosis by Symptom directs to replace the torque converter, remove and replace the torque converter and torque converter seal. Refer to WSM, Section 307-01 > Removal and Installation > Torque Converter Seal. Remove the main control valve body. Refer to WSM, Section 307-01 > Removal and Installation > Main Control Valve Body. Overhaul and thoroughly clean the main control valve body. Refer to WSM, Section 307-01 > Overhaul > Main Control Valve Body. Reverse the removal procedure to reassemble the transmission. Install the transmission. Refer to WSM, Section 307-01 > Installation.
TSB 26-21942026-04-28. Service bulletin. This bulletin supersedes 25-2627. Reason for update: To add a Step to reprogram the all-wheel drive (AWD) module for Bronco Sport vehicles. Some of the vehicles listed in the Model statement above may exhibit all of the following conditions: Shudder chatter condition, most noticeable at low speeds turning No relevant diagnostic trouble codes (DTCs) present This may be due to internal rear drive unit (RDU) fluid contamination.
SSM 546312026-03-11. Service bulletin. Some 2020-2026 Escape and 2022-2026 Maverick 2.5L Duratec hybrid vehicles may require various repairs on the exhaust system. This may require removal of the exhaust heat exchanger. WSM, Section 309-00 Exhaust System > 2.5L Duratec hybrid > Removal and Installation > Exhaust Heat Exchanger has been revised to eliminate the need to remove the muffler assembly. The procedure steps and labor times have been updated to reflect this adjustment.
SSM 546152026-03-04. Service bulletin. Some 2020-2026 Escape and 2021-2026 Corsair vehicles equipped with a 2.5L engine may exhibit a fuel door that won't open with diagnostic trouble code (DTC) P04CA stored in the powertrain control module (PCM). This may be due to an open circuit on circuit SBB05 and/or a damaged splice S133. Before performing the pinpoint test for P04CA in Workshop Manual (WSM), Section 310-00, inspect circuit SBB05 and splice S133 for damage such as an open circuit. Repair as necessary. Refer to Wiring Diagram, Cell 005. If no damage is found, refer to WSM, Section 310-00 for normal diagnostics. For claiming use causal 14290 and labor operations 12650D, 12650D45, and 12650D45WR.
TSB 25-26272026-02-12. Service bulletin. This article supersedes TSB 25-2552 to update the Parts List Some of the vehicles listed in the Model statement above may exhibit all of the following conditions: Shudder chatter condition, most noticeable at low speeds turning No diagnostic trouble codes DTCs present This may be due to rear drive unit internal (RDU) fluid contamination.
25M022026-01-05. Other. Customer Satisfaction Program 25M02 Certain 2021-2024 Model Year Bronco Sport and 2020-2022 Escape with 1.5L Engine and 8F35 Transmission Upstream Catalytic Converter Replacement, If Required