2024 Ram 1500: Engine control module failure
Common wear/failure (not a recall)
Symptoms
Owners of the 2024 1500 report: engine control module failure. CarComplaints.com lists 1 owner complaints, average mileage 7,650 miles.
NHTSA has 23 owner complaints for the 2024 1500 in this area. Examples:
- NHTSA complaint ODI #11728769 (filed 04/02/2026): “Heater core windshield fogging because of antifreeze fumes interfering with the hvac yes the issue has been confirmed by the dealer (sansone ram, nj) i wasn't sure but kept smelling antifreeze in the cabin and the front windshield was interfering with my view …”
- NHTSA complaint ODI #11728661 (filed 04/01/2026): “I'm reaching out regarding my 2024 ram 1500 that has approximately 45,850 miles. i was smelling anti freeze while heat was in the on position, along with the driver side front windshield fogging up immensely creating a visibility issue. (definitely a safety i…”
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: replacement of ecm (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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