2023 RAM Promaster electrical system problems
21 owner complaints filed with NHTSA name the electrical system on the 2023 RAM Promaster — 28% of all complaints for this model year.
What owners report
“Due to the loss of power steering the tech at Rainier Dodge of Olympia performed electrical testing per diagnostic chart and found water intrusion into steering harness that has corroded wiring from the body harness into electric steering gear motor/module unit. The electric power steering gear…”
filed Jul 27, 2026
“The contact owns a 2023 Ram Promaster 2500. The contact stated that while driving approximately 65 MPH, the message “Power Steering Service” was displayed with a high-pitched whining sound coming from underneath the hood and the dashboard. The vehicle was taken to the dealer, who diagnosed that the…”
filed Jul 20, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Radio/ETM is Adding Approximately 27mA Draw to Vehicle When in Logistics Mode
S268A000014 · Service Bulletin/Repair Instructions · issued Jun 17, 2026Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
S1623000028 Rev. K · Service Bulletin/Repair Instructions · issued Jun 12, 2026New Key Will Not Program, 0x22 Scan Tool Error
S2408000018 REV.B · Service Bulletin/Repair Instructions · issued May 29, 2026Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
S1623000028 REV.I · Service Bulletin/Repair Instructions · issued May 29, 2026SENSOR – KNOCK
111834 · Service Bulletin/Repair Instructions · issued May 13, 2026
Electrical System problems in other Promaster years
| Year | Reports | Share |
|---|---|---|
| 2022 Promaster | 13 | 22% |
| 2021 Promaster | 19 | 18% |
| 2020 Promaster | 7 | 18% |
| 2019 Promaster | 4 | 7% |
| 2018 Promaster | 11 | 30% |
| 2017 Promaster | 20 | 35% |
| 2016 Promaster | 7 | 23% |
| 2015 Promaster | 16 | 27% |
| 2014 Promaster | 19 | 27% |
Other reported problem areas on the 2023 RAM Promaster
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.