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Vehicle recall 10V548000 · November 5, 2010

Ford Terra Transit, GM MPV Bus and 9 more models

The evaporator utilizes a power resistor to regulate blower speed.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
Turtle top is recalling certain model year 2001-2007 transit buses built on various GM and Ford chassis from August 2, 1999 through September 1, 2007, equipped with trans/air TA73 evaporators. The evaporator utilizes a power resistor to regulate blower speed. Should a short occur in the "low or medium speed" circuit while the blower is in high speed, the short will cause the supply voltage to feedback through the resistor to ground, not drawing enough current to trip the fuse.
Consequence
This would cause the resistor temperature to rise to a point where it will melt and possibly ignite the plastic blower housing to which it is mounted. The overheating can result in a fire.
Remedy
Trans/air, in cooperation with turtl top, will install a thermal shutdown device in series with the speed resistors. This service will be performed free of charge. The safety recall began on November 24, 2010. Owners may contact trans/air warranty and service center at 1-800-673-2446.
Notes
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 http://www.safercar.gov.

Recall details

NHTSA campaign
10V548000
Reported to NHTSA
November 5, 2010
Filed by
TURTLE TOP
Owner notification
November 24, 2010
Vehicles potentially affected
1,817
Initiated by
the manufacturer
Components
Equipment
Recall 10V548000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

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