2018 Ram 1500 8-Speed Transmission Fluid Change Interval?

ClearTheCode guidance (Ram · Maintenance & DIY)

Summary: For 2018 Ram 1500 8-Speed Transmission Fluid Change Interval?, work through these steps on your 2016+ vehicle:

1. Confirm the symptom — note when it happens (cold start, highway, after fuel fill, etc.).
2. Scan codes — save all pending/stored DTCs; don't clear until you've recorded them.
3. Check TSBs & recalls — look up your VIN for open campaigns and known fixes.
4. Inspect the obvious — related fuses, connectors, fluid level, and recent repairs.
5. Test the common fix — follow model-specific service procedures; one change at a time.
6. Escalate if needed — burning smell, no brakes, overheating, or stalling in traffic → shop visit.

Owner reported: My 2018 Ram 1500 Laramie, 5.7L Hemi, just hit 80,000 miles. I've noticed a slight hesitation sometimes when shifting, especially from 2nd to 3rd. The owner's manual says "inspect" but doesn't give a hard change interval for the transmission fluid like older trucks did.

I'm wondering if it's time to get the transmission fluid and filter changed. Is this something a competent DIYer can tackle, or i…

This is educational guidance, not a substitute for hands-on diagnosis.