Jeep Cherokee 2017–2018 — technical service bulletin
Bulletin 9004214 · NHTSA communication 10173275 · issued Feb 12, 2020
Technical service bulletin
communication type
Engine
component
2017–2018
model years
4
vehicle entries
Official summary
ENGINE, Long Block For 2017 and 2018 model year vehicles at U.S. dealers only Engineering is seeking information regarding engine operation. Before replacing a Tigershark equipped 2017/2018 KL or MP. Please call FCA Redacted Content . Have VIN last 8 and engine serial number available (located on sticker on valve cover - example TZEP1171811106.) If no response in 15 minutes, proceed with repair.
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.