Jeep Grand Cherokee 2015 — technical service bulletin
Bulletin 1803615 · NHTSA communication 10220453 · issued Apr 25, 2015
Technical service bulletin
communication type
Power Train
component
2015
model years
1
vehicle entries
Official summary
6.4L Powertrain diagnostic and system enhancement.
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.