Jeep Cherokee 2018–2019 — technical service bulletin
Bulletin W20 Combo · NHTSA communication 10187674 · issued Dec 10, 2020
Technical service bulletin
communication type
Power Train
component
2018–2019
model years
4
vehicle entries
Official summary
Customer Satisfaction Notification W20 Reprogram Powertrain Control Module
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.