2025 RAM 2500 - Maintenance & Specs
The 2025 RAM 2500 belongs to a RAM 2500 lineup that Know Your Ride tracks across 6 model years, from 2020 to 2026. Records for this year list a 6.4L V8 engine. The 2025 sits mid-run, with both earlier (2020) and later (2026) 2500 model years also documented.
It takes 5W-20 full synthetic oil, 7.0 qt with a new filter meeting MS-6395. Fluid specs on file include HOAT coolant, DOT 3 brake fluid, ATF+4 transmission fluid. Know Your Ride lists 14 scheduled maintenance items for this vehicle, the earliest interval falling at 7,500 miles. Documented torque values include oil drain plug 25 ft-lb, lug nut 150 ft-lb, spark plug 18 ft-lb.
There are 5 safety recalls on record; one covers: Chrysler (FCA US, LLC) is recalling certain Ram 2500 and Ram 3500 vehicles equipped with a 3.5" cluster and column shifter. A software error may....
Quick Specs
| Oil viscosity | 5W-20 |
| Oil type | Full Synthetic |
| Oil capacity (w/ filter) | 7.0 qt |
| OEM oil spec | MS-6395 |
| Oil filter | Mopar 4892339AB |
| Coolant | HOAT |
| Open recalls on record | 5 |
| Technical service bulletins | 200 |
Common Trouble Codes
- P0300 - Random/Multiple Cylinder Misfire Detected
- P0420 - Catalyst System Efficiency Below Threshold (Bank 1)
- P0171 - System too Lean (Bank 1)
- P0128 - Insufficient Coolant Temperature for Stable Operation
- P0442 - Evaporative Emission Control System Leak Detected (small leak)
- P0455 - Evaporative Emission Control System Leak Detected (gross leak)
- P0700 - Transmission Control System Malfunction
- P0301 - Cylinder 1 Misfire Detected
- U0100 - Lost Communication With ECM/PCM A
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Part of the free Know Your Ride vehicle maintenance reference. Figures are sourced from EPA, NHTSA and manufacturer data and are for general reference - always confirm with your owner's manual.