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Service bulletins for the 2021 Jeep Grand Cherokee

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1325 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Engine control module are shown. Show all

Bulletins, newest first
S2109000007a2023-01-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. Complaint may include low engine oil level and/or engine oil seep leak from engine oil drain plug.
S22080000732023-01-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
TSB0804322RevB2022-09-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:SOLENOID/ACTUATOR. AC Does Not Blow Cold

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.