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Service bulletin SSM 47877

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 id10156597
Published by NHTSA2019-04-03
Manufacturer's numberSSM 47877
Manufacturer's date2019-03-18
NHTSA componentPOWER TRAIN; ELECTRICAL SYSTEM

NHTSA's summary

2018-2019 Navigator, 2019 Nautilus vehicles may exhibit a stuck in park and or no start condition with diagnostic trouble code (DTC) P27B2 stored in the powertrain control module (PCM) or transmission control module (TCM) memory. The condition may occur when the customer exits remote start and selects either REVERSE or DRIVE without first depressing the brake pedal. Disconnect the battery for 2 minutes and clear the DTCs. Advise the customer to first apply and hold the brake pedal before selecting REVERSE or DRIVE after a remote start event. Do not attempt any repairs at this time. Engineering is investigating, monitor OASIS for updates.

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

Electrical system, Transmission and driveline

Trouble codes named

P27B2

Vehicles listed
LINCOLN NAUTILUS2019
LINCOLN NAVIGATOR2018, 2019

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

Recalls for the same vehicles and component
20263112026-06-24. Powertrain
26V4020002026-06-24. POWER TRAIN:AUTOMATIC TRANSMISSION
26V3720002026-06-09. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
20V5500002020-09-10. POWER TRAIN:AUTOMATIC TRANSMISSION
20V4140002020-07-17. SEATS:FRONT ASSEMBLY:POWER ADJUST; AIR BAGS; ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH
19V0760002019-02-11. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
18V2130002018-04-04. POWER TRAIN:AUTOMATIC TRANSMISSION

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 26-2341 v22026-10-01. Service bulletin. This bulletin supersedes 26-2171. Reasons for update: update the Parts list to add a note to clarify the application of the part numbers W520102-S442 and 4S4Z-3N324-AA "FWD Only". Some of the vehicles listed in the Model statement above may exhibit all of the following conditions: Shudder condition, most noticeable at speeds below 60 mph (100 km/h) No relevant diagnostic trouble codes (DTC) present Traceable shudder event with IDS/FDRS reading *(Figure 1)* This condition may be perceived/felt as an engine misfire. This may be due to a concern with the output planetary assembly.
SSM 550372026-07-27. Service bulletin. Some 2018-2024 Expedition and 2018-2027 Navigator vehicles equipped with a rear seat entertainment system/Lincoln Play may experience various system concerns. Rear seat entertainment systems are not on a controller area network (CAN) and are not supported by the Ford Diagnostic and Repair System (FDRS). Certain system concerns may be resolved through software updates which will automatically download once each individual monitor is connected to Wi-Fi. Diagnostic support for rear seat entertainment systems is provided by VOXX electronics. If necessary, contact the VOXX Customer Service Department at 1-866-869-7888. If possible, record the device serial number by selecting the gear/Setup icon > Settings > Device and Software > About. If the unit will not power up, the serial number is on a label on the back of the monitor. It is helpful to know the date the issue occurred, how long the monitors were on prior to the issue, what app/input/media was being used, and if the system software was recently updated prior to the concern starting. For claiming, refer to the Warranty and Policy manual for
TSB 26-23412026-07-27. Service bulletin. This bulletin supersedes 26-2171. Reasons for update: update the Parts list to add a note to clarify the application of the part numbers W520102-S442 and 4S4Z-3N324-AA "FWD Only". Some of the vehicles listed in the Model statement above may exhibit all of the following conditions: Shudder condition, most noticeable at speeds below 60 mph (100 km/h) No relevant diagnostic trouble codes (DTC) present Traceable shudder event with IDS/FDRS reading *(Figure 1)* This condition may be perceived/felt as an engine misfire. This may be due to a concern with the output planetary assembly.
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.
25H05 S12026-04-30. Other. Harvest Program 25H05 – Supplement #1 Certain 2011-2021 Model Year Vehicles Software Verification Harvest Program
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 545892026-03-04. Other. Some 2019-2024 Ford and Lincoln vehicles equipped with SYNC3 may experience various connectivity concerns with The Ford App Lincoln App including but not limited to: missing activation prompt pop-upon the vehicle's center display screen when attempting to activate vehicle through The Ford App Lincoln App, incorrect location global positioning system GPS reported through The Ford App Lincoln App, problems with remote commands being performed through The Ford App Lincoln App and or incorrect data information reported on The Ford App Lincoln App. These symptoms will be accompanied by diagnostic trouble code DTC B156D 89 in the TCU. This may be due to the accessory protocol interface module APIM software. To correct the condition, update the APIM software.
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.
25H052025-12-03. Other. This is a proactive investigation program by Ford Motor Company to inspect a limited number of affected vehicles that are customer-owned. Ford is voluntarily conducting this program to evaluate the software currently installed on one or more electronic modules in the affected vehicles.
SSM 543662025-11-19. Service bulletin. Some 2015-2021 Ford and Lincoln vehicles may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P0011, P0012, P0014, P0015, P0016, P0017, P0018, P0019, P0021, P0022, P0024 and/or P0025. Pinpoint test HK in the Powertrain Control and Emissions Diagnosis (PC/ED) or in Section 303-14 of the Workshop Manual (WSM) has been updated to address this concern.