RAM 1500 2022 — technical service bulletin
Bulletin 0808423 · NHTSA communication 10236909 · issued Apr 13, 2023
Technical service bulletin
communication type
Power Train
component
2022
model years
1
vehicle entries
Official summary
Flash: Electronic Shift Module (ESM) Updates The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): ? U11E3-00 - TCM Lost communication with ESM on D-PT CAN. ? U0103-00 - Lost Communication with Electric Gear Shift Module. ? U1267-00 - No Valid data available from ESM on CAN-C or CAN D-PT. The customer may also experience one or more of the following: ? **Instrument cluster remains illuminated when vehicle is off. ? Discharged/dead battery. ? Unable to rotate t
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.