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November 9, 2013 Service bulletin

Jeep: the transmission control module (TCM) needs to have new software reprogrammed due to multiple...

Jeep technical service bulletin SB-21-011-13 for 2014 Jeep Grand Cherokee.

Bulletin number
SB-21-011-13
Component
Power train: automatic transmission: control module (TCM/PCM/tecm)
Summary
Jeep: the transmission control module (TCM) needs to have new software reprogrammed due to multiple shifting issues. Model 2014 grand cherokee.

Owners of these vehicles have filed 477 complaints in the transmission category.

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