Chrysler 300C 2012–2015 — technical service bulletin
Bulletin 21-012-14 REV. B · NHTSA communication 10139755 · issued Sep 26, 2014
Technical service bulletin
communication type
Power Train
component
2012–2015
model years
16
vehicle entries
Official summary
8 Speed Transmission Shift Adaptation, Drive Learn Procedure This bulletin involves performing a Transmission Adaptation Learn procedure based on a subjective shift quality rating evaluation.The adaptation drive learn procedure must be performed on all 8-speed transmissions when the transmission is repaired/replaced and/or the Valve Body/TCU assembly (mechatronic) is replaced, or when the adaptation memory cells are cleared with the wiTECH diagnostic scan tool. Customers may indicate that their transmission shift quality does not meet their expectations.
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.