This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.
So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.
The contact owns a 2011 Chevrolet Express. While driving and slowing down, the vehicle aggressively downshifted, the brake pedal independently depressed, and the vehicle lunged forward. The contact was concerned about the hard upshifts and downshifts of the transmission. When the engine was turned off and restarted after approximately 15 minutes, the vehicle operated as intended. The vehicle was taken to vera motors (300 S university dr., pembroke pines, fl 33025, (954) 362-9458) where it was diagnosed that the fuel control module needed to be replaced. The vehicle was repaired; however, the failure recurred. The manufacturer was not notified of the failure. The approximate failure mileage was 115,000.
We've had three separate Chevy express CNG vans experience significant releases of compressed natural gas on eight separate occasions over the past three years. The releases occur while fueling the vehicles in very cold weather. GM has replaced some of the CNG tanks, but the releases continue to occur. GM believes the releases are related to CNG tank valve O-ring failures, but they have made no formal response at this point. Two of our vans have been idle for weeks as a result of the leaking tanks.
- Burlington, VT, USA
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- Miramar, FL, USA