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March 26, 2026 Service bulletin

Some 2013-2016 Super Duty vehicles equipped with a 6.7L diesel engine and 2015-2019 Transit vehicles...

Ford technical service bulletin SSM 54690 for 2013-2016 Ford F-250 SD, 2013-2016 Ford F-350 SD and 2015-2019 Ford Transit and others.

Bulletin number
SSM 54690
Component
Engine
Summary
Some 2013-2016 Super Duty vehicles equipped with a 6.7L diesel engine and 2015-2019 Transit vehicles equipped with a 3.2L diesel engine may not pass a state smog test due to the exhaust gas system (EGS) monitor that will not run after completing the Exhaust Gas Sensor drive cycle located within Section 2 of the Powertrain Control/Emissions Diagnostics (PC/ED) Manual > Drive Cycles. This may be due to the vehicles diesel oxidation catalyst (DOC) age counter being under the 120-minute requirement. Engineering is investigating this issue and working on a solution.

Owners of these vehicles have filed 268 complaints in the engine category.

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