Jeep Wrangler 2021–2022 — technical service bulletin
Bulletin S2208000027RevA · NHTSA communication 10229484 · issued Aug 12, 2022
Technical service bulletin
communication type
Electrical System
component
2021–2022
model years
2
vehicle entries
Official summary
Cluster Message ?Electric Mode Unavailable Cabin Heating or Cooling? or ?Electric Mode Temporarily Unavailable?, Vehicle Engine Runs All the Time Does Not Enter Electric Vehicle (EV) Mode
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.