Home · 2020 Chevrolet Express Passenger 3500 15 Pass · Complaints
What 18 owners told NHTSA about the 2020 Chevrolet Express Passenger 3500 15 Pass
These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.
2 of 18 complaints match · Engine · clear filters
Oct 1, 2025Engine
Catalytic converter cracked at exhaust manifold @5 yrs, 34,600 miles. Known problem, denial, scam warranty allowing them to break ‘clean air act’ and scam customers into paying. On the hook myself for a fed law requiring manufacturers repair. At my shop getting fixed when they offered to fix after my mention of fraud! 3 years of claimed-broken welds in vans (doghouse over motor). I know of 4th year problem. Also not believing bad weld.Engineer friend says stress crack. Weak metal, no support due to flex pipe I believe. Cheap parts, money over safety again. And I have proof they do it and deny, misdiagnose, and lie. Criminal I think. Posting online about warranty scam. I was schooled in auto, small business owner. I know law! Given up on gov I’m sorry to say.
NHTSA ODI 11690865
Apr 8, 2022Engine
The contact stated that the 2020 Chevrolet Express was used as a school bus. The contact stated while driving at various speeds, the vehicle suddenly stalled and would not restart. During the failure the check engine warning light was illuminated. The vehicle was towed to the local dealer but the failure could not be duplicated and no repair was performed. The manufacturer was notified of the failure. The failure mileage was 26,000.
NHTSA ODI 11460154
Working with the data? Download all 18 complaints as CSV · fetched from NHTSA July 19, 2026