RAM 1500 2022 — technical service bulletin
Bulletin 0816622 · NHTSA communication 10225294 · issued Aug 27, 2022
Technical service bulletin
communication type
Electrical System
component
2022
model years
1
vehicle entries
Official summary
Flash: Hybrid Control Processor (HCP) Updates This bulletin involves updating the HCP with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) and/or Battery Charge Warning Light illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC). P0563-00 - System Voltage High.
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.