RAM 2500 2023 — technical service bulletin
Bulletin 1807223 · NHTSA communication 10241065 · issued Jun 6, 2023
Technical service bulletin
communication type
Electrical System
component
2023
model years
4
vehicle entries
Official summary
Engine Control Module (ECM) Capacitor Leak Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? P0642 - Sensor Reference Voltage 1 Circuit Low. ? P0652 - Sensor Reference Voltage 2 Low. ? P06D3 - Sensor Reference Voltage 5 Circuit Low. ? P0102 - Mass Air Flow Sensor A Circuit Low. ? P0750 - Shift Solenoid 1 Control Circuit - Open. ? P0755 - Shift Solenoid 2 Control Circuit - Open. ? P0706 - Transmission Range Sensor Rationality. ? P0765
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.