Chrysler 300 2017 — technical service bulletin
Bulletin 21-010-17 · NHTSA communication 10140022 · issued Mar 7, 2017
Technical service bulletin
communication type
Electrical System
component
2017
model years
3
vehicle entries
Official summary
Flash: Transmission Diagnostic And Shift Enhancements This bulletin involves reprogramming 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 the following Diagnostic Trouble Codes (DTCs) set in the TCM memory: P1DB8-00 - Unintended Torque Applied While In Neutral. U1424-00 - Implausible Engine Torque Signal Received.In addition to the above DTCs, this software release also includes: Improved transmission shifting during a limp mo
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.