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July 3, 2015 Service bulletin

Jeep: some vehicles will require latest software reprogramming of transmission control module (TCM) due to...

Jeep technical service bulletin SB-21-045-15 for 2015 Jeep Grand Cherokee.

Bulletin number
SB-21-045-15
Component
Electrical system: software
Summary
Jeep: some vehicles will require latest software reprogramming of transmission control module (TCM) due to experiencing a bump sensation during 1-2 upshift or 6-5 downshift or during low speed tip in acceleration or vehicle set snow mode while stationary. Model 2015 grand cherokee.

Owners of these vehicles have filed 139 complaints in the electrical category.

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