Jeep Grand Cherokee 2014–2018 — technical service bulletin
Bulletin 76971 · NHTSA communication 10218531 · issued Aug 19, 2021
Technical service bulletin
communication type
Fuel System, Diesel
component
2014–2018
model years
5
vehicle entries
Official summary
Warranty Bulletin D-21-11 (X95) 3.0L Diesel Crankshaft Tone Wheel - 2014 - 2018 Jeep Grand Cherokee (WK)
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.