Champion Challenger, Champion International Defender, model years 2005 to 2008. Filed by Champion Bus, Inc. and reported to NHTSA on 18 November 2010. 107 vehicles potentially affected.
What the notice says Champion bus is recalling certain buses equipped with trans air ta 73 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 …
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
What owners ask about this recall
- Which vehicles does recall 10V593 cover?
- Champion Challenger, Champion International Defender, model years 2005-2008.
- What is wrong with them?
- CHAMPION BUS IS RECALLING CERTAIN BUSES EQUIPPED WITH TRANS AIR TA 73 EVAPORATORS. THE EVAPORATOR UTILIZES A POWER RESISTOR TO REGULATE BLOWER SPEED.
- What can happen if it is not put right?
- 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.
- Is there a fix yet?
- Yes, and it is free. CHAMPION BUS IN COOPERATION WITH TRANS AIR 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 DECEMBER 6, 2010. OWNERS MAY CONTACT TRANS AIR WARRANTY AND SERVICE CENTER AT 1-800-673-2446.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “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.”
affected
in the notice
caught
| Campaign | 10V593 |
|---|---|
| Filed by | CHAMPION BUS, INC. |
| System at fault | Equipment |
| Reported to NHTSA | 18 November 2010 |
| Model years | 2005-2008 |
| Vehicles named | CHAMPION CHALLENGER, CHAMPION INTERNATIONAL DEFENDER |
What the notice says today
The 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.
The remedy
CHAMPION BUS IN COOPERATION WITH TRANS AIR 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 DECEMBER 6, 2010. OWNERS MAY CONTACT TRANS AIR WARRANTY AND SERVICE CENTER AT 1-800-673-2446.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 2,632 notices in the record whose component field names equipment. Across that group the median wait before owners were written to was 29 days.
Last checked . No change has been recorded in the wording.
The models named here, across their whole recall history
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 10V593, wording as read on 17 September 2026. https://carsmultiverse.com/recall/10v593/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
Other Champion Bus notices we hold
- 12V275: MODEL YEAR 2008 THROUGH 2011 TRANSIT BUSES EQUIPPED WITH BRAUN CENTURY-2 AND/OR VISTA-2 WHEELCHAIR LIFTS
- 11V141: VEHICLES EQUIPPED WITH CARRIER GENV EM-1 EVAPORATOR UNITS
- 10V647: VEHICLES BUILT ON FREIGHTLINER S2 CHASSIS AND EQUIPPED WITH TRW IGEN3 INTERMEDIATE STEERING COLUMNS
All 4 Champion Bus campaigns we hold · Every manufacturer in the record
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 10V593 on 17 September 2026, they were:
- Defect summary
85d2562d - Consequence
0a3a0449 - Remedy
26db2bb4
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 10V593 · how the whole register is watched
This notice names one vehicle among several registers that have written about it. Every notice this site holds for the Champion Bus Defender, in all seven, is kept on that vehicle's own page, with the newest in each.
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