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Chrysler TSB #21-050-15
2014 Chrysler 300
TSB Document:
Affected Component: POWER TRAIN
- Summary
- Flash: Transmission Shift Enhancements This bulletin involves selectively erasing and reprogramming the Transmission Control Module (TCM) with new software. The following Transmission Control Module (TCM) calibration improvements are available for vehicles equipped with WA580 Automatic Transmission (Sales Code DGJ) and are broken down per engine application. 3.6L Engine (LD/LX) ? Erratic shifting or poor performance complaints while driving up steep hills, towing, driving aggressively, or at high altitude during hot ambient temperatures. ? Poor performance when driving aggressively. ? Poor powertrain response or performance when trying to accelerate from moderate vehicle speed in HOT ambient temperature conditions. ? Short shifting or surging during near to WOT accelerations with mild ambient temperature conditions. ? Transmission does not maintain vehicle set speed when cruise control is active and vehicle is traveling down steep grades. ? Hanging in gear complaints during HOT ambient temperature condition or when aggressively driving and WOT throttle is requested. 3.6L Engine (LD Police) ? Erratic shifting or poor performance complaints while driving up steep hills, or at high altitude during hot ambient temperatures. ? Poor performance when driving aggressively. 5.7L Engine (LD/LX) ? Erratic shifting or poor performance complaints while driving up steep hills, towing, driving aggressively, or at high altitude during hot ambient temperatures. ? Poor shift quality (bump or torque disturbance) when coasting to a stop. ? Poor city fuel economy (AWD Only). Hanging in gear complaints during HOT ambient temperature condition or when aggressively driving and WOT throttle is requested. 5.7L Engine (LD Daytona) Erratic shifting or poor performance complaints while driving up steep hills, towing, driving aggressively, or at high altitude during hot ambient temperatures. Poor shift quality (bump or torque disturbance) when coasting to a stop
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