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.
Vehicle switching into 4WD/AWD on its own - malfunction took vehicle in because vehicle was trying to switch into AWD and 4WD on its own at freeway speeds. When this happens, entire vehicle jerks when switching (on its own) from 2hi to AWD. Chevy service department found problem in transfer case module. They replaced module and program. Vehicle 4WD malfunctioned again. Vehicle trying to switch into 4WD and AWD on its own. Took vehicle back to service department. Service department replaced encoder motor. Vehicle is still switching into 4WD and AWD randomly. I will take it in again. These problems started while still under warranty. I have under 43000 miles on vehicle at this time. Internet search shows many trailblazer owners with this same problem.
- Sheboygan, WI, USA
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- Sheboygan, WI, USA