2013 Ram 2500: Check engine light on
Common wear/failure (not a recall)
Symptoms
Owners of the 2013 2500 report: check engine light on. CarComplaints.com lists 4 owner complaints, average mileage 24,250 miles.
NHTSA has 47 owner complaints for the 2013 2500 in this area. Examples:
- NHTSA complaint ODI #11722441 (filed 03/06/2026): “Jan 8 th had ram 67a recall performed. feb1 the el on dash comes on and def system engine shutdown countdown. feb 4 brought truck to dealer for service fix. feb 5 dealer states that truck needs new def injector, wiring harness , and scr .and covered under the…”
- NHTSA complaint ODI #11701825 (filed 11/27/2025): “Over time the transmission cooling line to the radiator was rubbing against another part in the engine compartment resulting in a hole in the line and eventually catastrophic failure of the line. this caused transmission fluid to be sprayed around the engine c…”
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: replace differential pressure sensor (1 reports) replace turbo actuator (1 reports) update in computer (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
CarComplaints.com owners report a typical repair cost of about $3,740 (owner-reported average, not a quote).
Typical parts (search links, no affiliate codes)
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