2018 RAM 2500 electrical system problems
473 owner complaints filed with NHTSA name the electrical system on the 2018 RAM 2500 — 18% of all complaints for this model year.
What owners report
“My 2018 Ram 2500 is subject to safety recall C4B/24V-896 involving failure of the brake Hydraulic Control Unit (HCU) and possible loss of ABS, electronic stability control and traction control. I previously contacted a Ram dealer in [XXX] regarding completion of this recall but was informed that…”
filed Sep 15, 2026
“My 2018 Ram 2500 has a continuous ABS/ESC/Traction Control failure related to recall C4B (NHTSA 24V‑896). The hydraulic control unit (HCU) is failing exactly as described in the recall. The ABS light, traction control light, and stability control warnings come on constantly, and the cruise control…”
filed Sep 13, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- These vehicles are being recalled to address a defect that could prevent the cruise…Campaign 18V332000 · May 17, 2018
Related service bulletins
Sensor - turbocharger speed
113742 · Service Bulletin/Repair Instructions · issued Jul 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, 2026
Electrical System problems in other 2500 years
| Year | Reports | Share |
|---|---|---|
| 2026 2500 | 10 | 42% |
| 2025 2500 | 37 | 61% |
| 2024 2500 | 11 | 19% |
| 2023 2500 | 9 | 19% |
| 2022 2500 | 61 | 34% |
| 2021 2500 | 35 | 33% |
| 2020 2500 | 20 | 12% |
| 2019 2500 | 29 | 15% |
| 2017 2500 | 120 | 17% |
| 2016 2500 | 38 | 15% |
| 2015 2500 | 28 | 13% |
| 2014 2500 | 42 | 12% |
Other reported problem areas on the 2018 RAM 2500
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.