Dodge Caravan 2011–2013 — technical service bulletin
Bulletin 21-012-12 REV. B · NHTSA communication 10128932 · issued Nov 29, 2012
Technical service bulletin
communication type
Power Train
component
2011–2013
model years
3
vehicle entries
Official summary
Flash: Transmission Shift Quality Improvements This bulletin involves flash reprogramming the Powertrain Control Module (PCM) with new software.There may be two software packages to choose from. Both software updates will fix all symptoms/conditions listed. Refer to Service Bulletin 21-008-12 for details about the software choices. Some customers may notice any of the following: Harsh 1-3 upshift while operating in Economy (ECO) mode. Harsh 2-3 upshift while operating in normal mode.For 2012 model year, the harsh 1-3 upshift in Economy Mode and the harsh 2-3 upshift in Normal Mode was correcte
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.