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July 29, 2020 Service bulletin

Customer Satisfaction Notification W42 Reprogram Powertrain Control Module

Jeep technical service bulletin W42 Combo for 2018 Jeep Grand Cherokee.

Bulletin number
W42 Combo
Component
Power train: automatic transmission: control module (TCM/PCM/tecm)
Summary
Customer Satisfaction Notification W42 Reprogram Powertrain Control Module

Owners of these vehicles have filed 75 complaints in the transmission category.

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