Jeep Renegade 2020–2021 — technical service bulletin
Bulletin 0805821 · NHTSA communication 10221196 · issued Apr 15, 2021
Technical service bulletin
communication type
Electrical System
component
2020–2021
model years
2
vehicle entries
Official summary
Flash: Integrated Dual Charging Module (IDCM) Updates This bulletin involves reprogramming the IDCM with the latest available software. Customers may notice the following: B22A9-17 - ECU Internal Performance-Circuit Voltage Above Threshold. P0D2A-00 - Battery Charger 1 Input Current Too High. P0CF3-00 - Control Pilot Circuit Open. P0CF4-00 - Control Pilot Circuit Performance. B22A9-87 - ECU Internal Performance-Missing Message.
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.