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2009 Trans Tech STH4

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

No component reports in this snapshot.

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 0 of 0 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

What owners actually said

0 reports

No matching complaints in this snapshot.

Official recalls

1

10V168000 · Visibility:power Window Devices And Controls

Apr 23, 2010

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."

Consequence & remedy

Consequence: IF THIS CONDITION AFFECTS THE DEFROST SYSTEM WHEN IT IS REQUIRED, IT MAY DECREASE THE DRIVER'S VISIBILITY, POSSIBILY RESULTING IN A CRASH.

Remedy: 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.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.