Champion American Coach, Champion Challenger, Champion Defender, Champion Ez-Trans, Champion Hc 270nf, Champion Ic American Coach, model years 2006 to 2010. Filed by Champion Bus, Inc. and reported to NHTSA on 31 March 2010. 191 vehicles potentially affected.
What the notice says Champion bus has notified nhtsa of a defect in certain model year 2006-2010 buses equipped with trans/air air conditioning systems installed between may 2006 and june 2009. each trans/air system comes with an electrical kit which contains a relay board and ec pc board which if improperly installed could overheat.
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 10V127 cover?
- Champion American Coach, Champion Challenger, Champion Defender, Champion Ez-Trans, Champion HC 270Nf, Champion Ic American Coach, Champion Ic High Floor, Champion Ic Low Floor, model years 2006-2010.
- What is wrong with them?
- CHAMPION BUS HAS NOTIFIED NHTSA OF A DEFECT IN CERTAIN MODEL YEAR 2006-2010 BUSES EQUIPPED WITH TRANS/AIR AIR CONDITIONING SYSTEMS INSTALLED BETWEEN MAY 2006 AND JUNE 2009.
- What can happen if it is not put right?
- AN ELECTRICAL FAILURE IN THE RELAY BOARD, CAN CAUSE OVERHEATING AND POSE A SERIOUS FIRE HAZARD.
- Is there a fix yet?
- Yes, and it is free. TRANS AIR WILL NOTIFY THE OWNERS AND THE BUSES WILL BE REPAIRED FREE OF CHARGE. PLEASE ALSO SEE TRANS/AIR DEFECT REPORT 09E-042. THE SAFETY RECALL BEGAN ON MAY 19, 2010. OWNERS MAY CONTACT TRANS/AIR WARRANTY AND SERVICE DEPARTMENT 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: “AN ELECTRICAL FAILURE IN THE RELAY BOARD, CAN CAUSE OVERHEATING AND POSE A SERIOUS FIRE HAZARD.”
affected
in the notice
caught
| Campaign | 10V127 |
|---|---|
| Filed by | CHAMPION BUS, INC. |
| System at fault | Equipment:Appliance:Air Conditioner |
| Reported to NHTSA | 31 March 2010 |
| Model years | 2006-2010 |
| Vehicles named | CHAMPION AMERICAN COACH, CHAMPION CHALLENGER, CHAMPION DEFENDER, CHAMPION EZ-TRANS, CHAMPION HC 270NF, CHAMPION IC AMERICAN COACH, CHAMPION IC HIGH FLOOR, CHAMPION IC LOW FLOOR |
What the notice says today
The consequence
AN ELECTRICAL FAILURE IN THE RELAY BOARD, CAN CAUSE OVERHEATING AND POSE A SERIOUS FIRE HAZARD.
The remedy
TRANS AIR WILL NOTIFY THE OWNERS AND THE BUSES WILL BE REPAIRED FREE OF CHARGE. PLEASE ALSO SEE TRANS/AIR DEFECT REPORT 09E-042. THE SAFETY RECALL BEGAN ON MAY 19, 2010. OWNERS MAY CONTACT TRANS/AIR WARRANTY AND SERVICE DEPARTMENT 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
- Champion American Coach recalls: 6 US campaigns
- Champion Challenger recalls: 17 US campaigns
- Champion Defender recalls: 13 US campaigns
- Champion Ez-Trans recalls: 3 US campaigns
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 10V127, wording as read on 17 September 2026. https://carsmultiverse.com/recall/10v127/
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.
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 10V127 on 17 September 2026, they were:
- Defect summary
5644dc3f - Consequence
6c0abc07 - Remedy
d703f8c7
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 10V127 · how the whole register is watched
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