Jeep Wrangler 2010 — technical service bulletin
Bulletin SB-21-007-09 · NHTSA communication 10032789 · issued Nov 7, 2009
Technical service bulletin
communication type
Electrical System
component
2010
model years
1
vehicle entries
Official summary
Jeep: flash: transmission remains in default mode after an engine start with no dtc. This bulletin involves selectively erasing and reprogramming the powertrain control module (pcm). *pe
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.