Jeep Grand Cherokee 2022 — technical service bulletin
Bulletin 21-029-24 · NHTSA communication 11001225 · issued May 10, 2024
Technical service bulletin
communication type
Electrical System
component
2022
model years
1
vehicle entries
Official summary
"Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P0810-00 - Clutch Position Control Error. This bulletin involves reprogramming the TCM with the latest available software. NOTE: Please be sure that the 04B recall is completed prior to performing this TSB. This TCM software update is covered by the 04B recall if still incomplete."
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.