Jeep Wrangler 2021 — technical service bulletin
Bulletin 0805622 · NHTSA communication 10229143 · issued Mar 12, 2022
Technical service bulletin
communication type
Power Train
component
2021
model years
1
vehicle entries
Official summary
Flash: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates This bulletin involves reprogramming the HCP and AHCP or also known as Power Inverter Module (PIM) with the latest available software.
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.