2009–2010 Trans Tech DW4+9139, 2009–2010 Trans Tech DW5+9159FRL, 2009–2010 Trans Tech DW5+9195 and 10 other models Recall: TRANSPORTATION COLLABORATIVE INC
NHTSA campaign 10V168000 · Visibility · filed Apr 23, 2010 · verified Jul 30, 2026
The defect
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."
The risk
IF THIS CONDITION AFFECTS THE DEFROST SYSTEM WHEN IT IS REQUIRED, IT MAY DECREASE THE DRIVER'S VISIBILITY, POSSIBILY RESULTING IN A CRASH.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
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.
OWNERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO <A HREF=HTTP://WWW.SAFERCAR.GOV>HTTP://WWW.SAFERCAR.GOV</A> .
Affected vehicles
Related recalls
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Other campaigns involving Trans Tech vehicles
All Trans Tech DW4+9139 recalls → · All Trans Tech recalls →
Source: NHTSA recall database, campaign 10V168000. Data last verified Jul 30, 2026.