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: Exhaust and emissions are shown. Show all
| 11-002-21 | 2022-08-22. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; STRUCTURE. Incorrect Exhaust Body Heat Shields This bulletin involves inspecting the front right, left and mid muffler center exhaust heat shields underneath the vehicle for rivets and possibly replacing the heat shields if no rivets are found. Some vehicles were built with incorrect exhaust body heat shields that did not have rivets.There will not be a customer symptom/condition for this issue. |
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| 11-003-21 | 2022-08-22. Service bulletin. POWER TRAIN:DRIVELINE:DRIVESHAFT; STRUCTURE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. Flutter or Rattle Noise From Under the Vehicle - Exhaust Body Heat Shields This bulletin involves replacing all four exhaust heat shields specified in this bulletin. The customer may describe a rattle from underneath the vehicle. |
| 75227 | 2022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ENGINE AND ENGINE COOLING. MUFFLER AND TAILPIPE ? EXHAUST |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.