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May 12, 2025 Service bulletin

3.6L psu

Jeep technical service bulletin 9100498 Rev 3 for 2016-2024 Jeep Grand Cherokee, 2018-2025 Jeep Wrangler and 2016-2025 Dodge Durango and others.

Bulletin number
9100498 Rev 3
Component
Engine
Summary
3.6L PSU Long Block Misfire DTC codes and/or rough idle and/or valvetrain noise. Refer to SOL # S2509000004. It is also important to confirm that the vehicle being repaired has the latest calibration/software update for oil pump operation mode (high pressure mode) during engine start up. RU, VF, WL & WD vehicles already include the latest oil pump mode in all 25MY and beyond. 24MY service releases are also available. JL & JT were updated as a running change in 24MY and beyond (08/15/24 & 08/19/24 respectively). 24MY service releases available. DT was updated starting 25MY and beyond. If the vehicle to be repaired is a 24MY vehicle with a service release available, please follow the released service procedures to update to the corresponding calibration/software.

Owners of these vehicles have filed 4,675 complaints in the engine category.

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