Jeep Grand Cherokee 2015 — technical service bulletin
Bulletin SB-21-045-15 · NHTSA communication 10058572 · issued Jul 3, 2015
Technical service bulletin
communication type
Electrical System
component
2015
model years
1
vehicle entries
Official summary
Jeep: some vehicles will require latest software reprogramming of transmission control module (tcm) due to experiencing a bump sensation during 1-2 upshift or 6-5 downshift or during low speed tip in acceleration or vehicle set snow mode while stationary. Model 2015 grand cherokee. *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.