June 11, 2016 Service bulletin

Flash: transmission shift and drivability enhancements

Chrysler technical service bulletin 21-022-16 for 2017 Chrysler Pacifica.

Bulletin number: 21-022-16
Component: Power train: automatic transmission
Summary: "flash: transmission shift and drivability enhancements this bulletin involves reprogramming the transmission control module (TCM) with the latest available software. Some customers may experience a malfunction indicator lamp (mil) illumination. Upon further investigation, a technician may find the following diagnostic trouble code (dtc) stored in the TCM memory: · p1cc9 - unable to engage gear."

Owners of these vehicles have filed 474 complaints in the transmission category.

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