2020 Chevrolet Silverado 1500: Engine light comes on
Common wear/failure (not a recall)
Symptoms
Owners of the 2020 Silverado 1500 report: engine light comes on. CarComplaints.com lists 5 owner complaints, average mileage 27,250 miles.
NHTSA has 270 owner complaints for the 2020 Silverado 1500 in this area. Examples:
- NHTSA complaint ODI #11770655 (filed 10/12/2026): “I was driving the vehicle at around 50mph after leaving a set of traffic lights when the engine lost all power and a series of warning lights came on. i pulled over safely to the side of the road and had the vehicle towed to a local vehicle mechanic shop. on i…”
- NHTSA complaint ODI #11769332 (filed 10/06/2026): “The contact owns a 2020 chevrolet silverado 1500. the contact stated that the engine was previously rebuilt. while driving at an undisclosed speed, the vehicle jerked and lost motive power, with several unknown warning lights illuminated. the vehicle was pushe…”
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: none clearly reported. 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)
AutoZone · O'Reilly · Advance · RockAuto
