Jeep Grand Cherokee 2023 — technical service bulletin
Bulletin 0811523 · NHTSA communication 10239994 · issued May 4, 2023
Technical service bulletin
communication type
Power Train
component
2023
model years
1
vehicle entries
Official summary
A moaning, grinding, or groaning type noise while driving between 80 112 kph (50 70 mph). Noise is not heard when the front axle disconnect is disengaged. (The noise can happen more as the ambient temperatures become colder.)
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.