Hvac control knobs
Defect Summary
Transportation collaborative inc. (tci) is recalling certain model year 2009 and 2010 school buses models sst 30 pak, sth4+9, sth4, sth5rl, st5, st4, dw4+9139, dw5193frl, dw5139, dw5+9195, dw5+9159frl, dw6159frl, and dw6159 manufactured on chevrolet express and gmc savana chassis from february 2009 through april 15, 2010. the hvac control knobs may fracture and spin on the control shaft causing the operator to be unable to control the defrost system. these buses fail to conform to the requirements of federal motor vehicle safety standard no. 103, "windsheild defrosting and defogging system."
Safety Consequence
If this condition affects the defrost system when it is required, it may decrease the driver's visibility, possibily resulting in a crash.
Corrective Action
Tci will notify owners and dealers will repair the buses free of charge. the safety recall began on april 29, 2010. owner may contact tci at 1-845-988-0419.
Similar Recalls
Other recalls from Trans Tech Bus or involving Visibility.
FAQ: Recall 10V168000
Your rights, the repair process, and what each field on this page means.
What is recall 10V168000?
NHTSA recall 10V168000 was issued by Trans Tech Bus on April 23, 2010. It addresses: Hvac control knobs. The recall affects approximately 192 vehicles, with the defect involving the Visibility component.
How do I get this recall repaired?
Contact any authorized Trans Tech Bus dealer and reference NHTSA recall ID 10V168000 or the manufacturer campaign number NR (Not Reported). Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.