Ford F-150 2021–2023 — technical service bulletin
Bulletin SSM 52050 · NHTSA communication 10245257 · issued Nov 9, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2021–2023
model years
3
vehicle entries
Official summary
Some 2021-2023 F-150 hybrid vehicles equipped with a 3.5L PowerBoost engine built on or before 01-Mar-2023 may exhibit an illuminated malfunction indicator lamp (MIL) with DTCs P237C, P2C22 and/or P2C23 in the powertrain control module (PCM). This may be due to the exhaust heat exchanger bypass control valve. To correct this condition replace the muffler inlet pipe. Refer to Workshop Manual (WSM), Section 309-00D Exhaust System - 3.5L V6 PowerBoost (CN), Removal and Installation. For claiming, use causal part 5A212 and applicable labor times in Section 05 of the Service Labor Time Standards (S
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.