2022 Ram 2500: Lifter cam block on going issues
Common wear/failure (not a recall)
Symptoms
Owners of the 2022 2500 report: lifter cam block on going issues. CarComplaints.com lists 1 owner complaints, average mileage 63,000 miles.
NHTSA has 35 owner complaints for the 2022 2500 in this area. Examples:
- NHTSA complaint ODI #11765850 (filed 09/21/2026): “The dpf system failed prematurely at 68k. my truck as working fine with zero problems until i took it in for the y43 safety recall july 2025. the dealership performed the software update without verifying if parts were in stock first. they took the part (dpf m…”
- NHTSA complaint ODI #11747488 (filed 06/30/2026): “Lifter failure occurred on dangerous interstate interchange complete loss of power while towing a 14k pound mobile restroom bumper pull trailer in 6 lanes merging traffic from center lane 45 mph exit onto 60 mph interstate speeds xxx going onto xxx/[xxx] my sc…”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: needs a new motor all back ordered (1 reports). Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
No sourced cost range: get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
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