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February 18, 2021 Service bulletin

Emissions Recall W91 Reprogram Powertrain Control Module

Jeep technical service bulletin W91 Combo for 2018 Jeep Grand Cherokee and 2017-2018 Ram 1500.

Bulletin number
W91 Combo
Component
Power train
Summary
Emissions Recall W91 Reprogram Powertrain Control Module

Owners of these vehicles have filed 233 complaints in the transmission category.

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