Chrysler 300 2015 — technical service bulletin
Bulletin 21-023-15 REV-B · NHTSA communication 10148981 · issued Aug 21, 2015
Technical service bulletin
communication type
Power Train
component
2015
model years
2
vehicle entries
Official 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 an erroneous Malfunction Indicator Lamp (MIL) Illumination. Upon further investigation, the technician may find a Diagnostic Trouble Code (DTC) stored in the TCM memory. 3.6L Engine (Sales Code ERB) with 845RE Transmission (Sales Code DFL) ? P1DCD - TCM monitoring processor performance multiple clutches locked up. ? P1B13 - Park-By-Wire unintended out of park position. ? P0734 - Gear 4
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.