Inactive-Merged-PCM/TCM Software Updates Will Address Shifting Problems on Chrysler 300

Submitted by Vehicle Owner · May 29, 2025

Published by RepairPal

Problem overview

If you experience rough shift and/or shuddering during gear shifting, software updates to the powertrain control and transmission control modules (PCM and TCM) are available which may address these problems. On higher mileage vehicles, a mechanical failure may exhibit similar symptoms. Proper diagnoses should be performed before any repairs or software upgrades are attempted.

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Chrysler 300 vehicles with this problem

1 model year affected

2014 Chrysler 300

Average mileage: 8,000 miles

(8,000 - 8,000)

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