# Service bulletin SSM 50646

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.

- Type: Service bulletin
- NHTSA id: 10210229
- Published by NHTSA: 2022\-04\-13
- Manufacturer's number: SSM 50646
- Manufacturer's date: 2022\-04\-01
- NHTSA component: ENGINE AND ENGINE COOLING; POWER TRAIN; ELECTRICAL SYSTEM

## NHTSA's summary

Some 2020\-2022 F\-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp \(MIL\) with cylinder injection pulse offset diagnostic trouble codes \(DTC\) P2B11, P2B13, P2B15, P2B17, P2B19, P2B1B, P2B1D, and/or P2B1F stored in the powertrain control module \(PCM\) after various fuel system repairs. This may be due to incorrect learned values in the PCM. To correct the condition, allow the engine to idle for at least 6 minutes with the engine at normal operating temperature. Clear DTCs and retest. PCM replacement is not necessary for this condition.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10210229-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10210229-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Engine, Transmission and driveline

## Trouble codes named

P2B11, P2B13, P2B15, P2B17, P2B19, P2B1B, P2B1D, P2B1F

## Vehicles listed

- 2020 to 2022 FORD F\-250 SD
- 2020 to 2022 FORD F\-350 SD
- 2020 to 2022 FORD F\-450 SD
- 2020 to 2022 FORD F\-550 SD

## Recalls for the same vehicles and component

- [26V104000](/recalls/nhtsa/26V104000.md), 2026-02-20: EXTERIOR LIGHTING:TAIL LIGHTS; ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
- [25V132000](/recalls/nhtsa/25V132000.md), 2025-02-28: ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
- [23V758000](/recalls/nhtsa/23V758000.md), 2023-11-09: WHEELS:LUGS/NUTS/BOLTS/STUDS; POWER TRAIN:AXLE HUBS
- [2022193](/recalls/tc/2022193.md), 2022-04-14: Powertrain
- [22V256000](/recalls/nhtsa/22V256000.md), 2022-04-14: POWER TRAIN:AUTOMATIC TRANSMISSION
- [22V193000](/recalls/nhtsa/22V193000.md), 2022-03-25: ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
- [2022074](/recalls/tc/2022074.md), 2022-02-17: Powertrain
- [22V087000](/recalls/nhtsa/22V087000.md), 2022-02-16: STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS; POWER TRAIN:DRIVELINE:DRIVESHAFT
- [2021437](/recalls/tc/2021437.md), 2021-07-16: Powertrain
- [21V536000](/recalls/nhtsa/21V536000.md), 2021-07-15: POWER TRAIN:AXLE ASSEMBLY

## Other bulletins for the same vehicles and component

- [TSB 26\-2375 v2](/bulletins/11038441.md), 2026-10-13, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM; POWER TRAIN. NOTE: This bulletin has been updated, refer to the change log at the bottom for details. Issue: Some of the vehicles listed in the Model statement above may exhibit all of the following conditions: • Poor shift quality • Illuminated powertrain malfunction \(wrench\) indicator with DTCs P2704 and P0771 stored in the PCM / TCM . This may be due to a calibration in the TCM and/or wear between the input shaft and the E clutch hub causing theinput shaft O\-rings to become damaged resulting in an open E clutch circuit. Action: For vehicles that meet all of the criteria in the Issue and Model statements, follow the Service Procedure toreprogram the PCM / TCM and/or replace the E clutch hub and input shaft O\-rings
- [SSM 55218](/bulletins/11038166.md), 2026-10-06, Service bulletin: POWER TRAIN; UNKNOWN OR OTHER. For 20202026 vehicles equipped with the 10R140 transmission, a new Transmission Clutch Circuit Leak Test has been introduced in the Ford Diagnosis and Repair System \(FDRS\). This test utilizes the pressure and vacuum transducer \(PVT\) when available. Workshop Manual \(WSM\) updates related to this diagnostic procedure are planned for release in Q4 2026. The new test improves the accuracy of detecting leaks within transmission fluid circuits and replaces the previous air check method. The previous air check procedure has been shown to produce a high rate of false positives, which may lead to unnecessary repairs when no actual leak is present. Accordingly, the air check procedure is not to be used for diagnosing internal transmission hydraulic leaks or as justification for transmission replacement.
- [TSB 26\-2088 v2](/bulletins/11037979.md), 2026-10-05, Service bulletin: UNKNOWN OR OTHER; POWER TRAIN. This bulletin supersedes 24\-2249. Reason for update: update the claim quantity of the torque converter nuts, part number and claim quantity of the front support assembly bolt washers, and part number change of the fluid pan from the Parts List. Reissued 01\-Oct\-2026 \- Added LC3Z\-7G091\-B to the part list
- [TSB 26\-2375](/bulletins/11036283.md), 2026-08-19, Service bulletin: POWER TRAIN; ENGINE; ELECTRICAL SYSTEM. This article supersedes TSB 26\-2050 to increase the labor operation allowance of labor operations A and B. Some of the vehicles listed in the Model statement above may exhibit all of the following conditions: Poor shift quality Illuminated powertrain malfunction \(wrench\) indicator with diagnostic trouble codes \(DTC\) P2704 and P0771 stored in the PCM/TCM. This may be due to a calibration in the TCM and/or wear between the input shaft and the E clutch hub causing the input shaft O\-rings to become damaged resulting in an open E clutch circuit. Additional model information: 6.7L Diesel Engine 2022\-2024 F\-550 or F\-600 F\-Super Duty vehicles built on or before 15\-May\-2024 with over 5,000 miles \(8,000km\)
- [25M01](/bulletins/11035635.md), 2026-08-04, Other: ENGINE; UNKNOWN OR OTHER. Customer Satisfaction Program 25M01 Certain 2021 Model Year F\-150 3.0L Diesel Engine and 2020\-2022 Model Year Super Duty with 6.7L Diesel Engine Nitrogen Oxide \(NOx\) Sensor Replacement, If Required After Dealer Evaluation Reference: Emissions Recalls 22E02, 22E04, 23E01, and 25E09
- [SSM 55031](/bulletins/11035269.md), 2026-07-28, Service bulletin: UNKNOWN OR OTHER; FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. Some 2021\-2026 Ford/Lincoln vehicles may exhibit various symptoms including but not limited to the auto start/stop system not operating as intended with a "Check Charging System" message in the instrument panel cluster \(IPC\) while the charging system is operating properly with no charging related diagnostic trouble codes \(DTC\) stored. This may be due to someone using an aftermarket programmer to change the body control module \(BCM\) configuration to disable the auto start/stop system or perform other unsupported programming modifications. To correct this condition on F\-150 and Bronco vehicles, download and run the Ford Diagnosis and Repair System \(FDRS\) application titled "BCM\-Charging System Configuration Correction". Running this application will determine if the BCM configuration was modified by the customer and if so, provide the option to return the configuration back to factory settings. For other vehicle models exhibiting concerns related to unsupported aftermarket BCM programming, submit a Technical Support Request \(TSR\) requesting support to revert the BCM configuration
- [25E09](/bulletins/11034230.md), 2026-07-01, Emissions: ENGINE. NEW VEHICLE DEMONSTRATION / DELIVERY HOLD Emissions Recall 25E09 Certain 2022 Model Year F\-250 \- F\-600 Vehicles with 6.7L Engines Powertrain Control Module Programming and Particulate Matter Sensor Installation
- [25N14](/bulletins/11034217.md), 2026-07-01, Other: ENGINE; FUEL/PROPULSION SYSTEM. Certain 2022 Model Year F\-250 \- F\-600 with 6.7L Diesel Engines One\-Time Replacement for Diesel Particulate Filter Assembly Failures, If Required After Dealer Evaluation
- [22N05\-S3](/bulletins/11034195.md), 2026-07-01, Service bulletin: ENGINE. Customer Satisfaction Program 22N05 \- Supplement \#3 Certain 2022 Model Year Super Duty with 6.7L Diesel Engine One\-Time Replacement for Diesel Particulate Filter Assembly If Required After Dealer Evaluation
- [TSB 26\-2256](/bulletins/11034010.md), 2026-06-22, Service bulletin: ENGINE; UNKNOWN OR OTHER. This article supersedes TSB 25\-2572 to update the Parts List to correct the part number LC3Z\-6006\-L to LC3Z\-6781\-A, remove the flex plate bolts AL3Z\-6379\-BA from the parts list as these bolts are in kit LC3Z\-6781\-A, update the claim quantity of the part number W709771\-S440 to 9 pieces \(F\-650/F750\-Engine Replacement\), W706447\-S437 and W715068\-S437 to 4 pieces, W712861\-S439 to 8 pieces\(F\-Super Duty Pickup And Chassis Cab\-Engine Replacement\) / 8 pieces \(F\-53 Motorhome/F\-59 Stripped Chassis Cab/F\-650,F750 Engine Replacement\) / W714286\-S442 to 4 pieces \(F\-Super Duty Pickup And Chassis Cab\-Camshaft and Tappet Repair / F\-Super Duty Pickup And Chassis Cab\-Engine Replacement\), include LC3Z\-6020\-A for the Engine replacement lists, include 1 fuel injector seal kit to the Camshaft and Tappet repair lists, include 4 pieces of W520114\-S440 to the E Series\-Camshaft and Tappet Repair list, and update the engine oil part numbers XO\-5W30\-Q1SP and CXO\-5W30\-LSP6. 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 ro

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