Jeep Wrangler 2021 — technical service bulletin
Bulletin 08-059-25 · NHTSA communication 11015532 · issued Mar 7, 2025
Technical service bulletin
communication type
Electrical System
component
2021
model years
2
vehicle entries
Official summary
"Flash: Power Inverter Module(PIM) Flash Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician must find one or more of the following Diagnostic Trouble Code (DTC) has been set: ● P0C19-00 - Drive Motor A Torque Delivered Performance. ● P1B03-00 - Resolver Signal / MCPA Rationality. Customers may experience the following: ● Electric Vehicle (EV) system shuts down while transferring over to Internal Combustion Engine (ICE) motive power. Engine Stop Start (ESS) function will also not operate as a result of this condition This
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.