2023 Ram 2500: Engine complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 12 owner complaints for the 2023 Ram 2500 that list the engine component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11716921 (filed 02/10/2026): “Vehicle: 2023 ram 2500 diesel (6.7l cummins) – approx. 36,000 miles, under factory warranty complaint summary: our 2023 ram 2500 diesel is producing visible smoke from the engine bay and a persistent ticking/clicking noise from the engine. this occurs while driving and at idle. we have video eviden…”
- NHTSA complaint ODI #11685217 (filed 09/05/2025): “My 2023, ram 2500 truck with a cummins 6.7l diesel engine has a known defect with the grid heater bolt. this bolt can loosen or break off, falling into the engine and causing catastophic engine failure. this creates a suddne loss of power, espcially dangerous when towing heavy loads at highway speed…”
- NHTSA complaint ODI #11647250 (filed 03/09/2025): “Unknown constant check engine light related to exhaust system and filters. many parts replaced by dealer and still not fixed.…”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
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 for this issue. Get a written quote after diagnosis.
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