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April 14, 2015 Service bulletin

Flash: Transmission Shift And Drivability Enhancements

Dodge technical service bulletin 21-023-15 for 2015 Dodge Charger and 2015 Chrysler 300.

Bulletin number
21-023-15
Component
Electrical system
Summary
Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming of the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) Illumination. Upon further investigation, the technician may find Diagnostic Trouble Code (DTC) P0734 - Gear 4 Shift Incorrect Ratio stored in the TCM memory.

Owners of these vehicles have filed 36 complaints in the electrical category.

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