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CARSMULTIVERSEWatch a recall

Ifs Electric Apu, model year 9999. Filed by Idle Free Systems, Inc. and reported to NHTSA on 2 June 2011. 141 vehicles potentially affected.

What the notice says Idle free is recalling certain auxiliary power units (apus) sold from october 2009 to may 2011, and installed as aftermarket equipment on heavy trucks. the welds on the metal housing of the frame rail system may crack and tear.

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.

CarsMultiverse/Recalls

What owners ask about this recall

Which vehicles does recall 11E020 cover?
Ifs Electric Apu.
What is wrong with them?
IDLE FREE IS RECALLING CERTAIN AUXILIARY POWER UNITS (APUS) SOLD FROM OCTOBER 2009 TO MAY 2011, AND INSTALLED AS AFTERMARKET EQUIPMENT ON HEAVY TRUCKS. THE WELDS ON THE METAL HOUSING OF THE FRAME RAIL SYSTEM MAY CRACK AND TEAR.
What can happen if it is not put right?
IF LEFT UNCHECKED, THE WELDS MAY COMPLETELY FAIL, ALLOWING THE APU TO FALL FROM THE FRAME RAIL. IF THE UNIT FAILS WHILE THE VEHICLE IS BEING OPERATED, THE UNIT COULD STRIKE ANOTHER VEHICLE OR A PEDESTRIAN INCREASING THE RISK OF A CRASH OR INJURY.
Is there a fix yet?
Yes, and it is free. IDLE FREE SYSTEMS WILL PROVIDE A FRAME RAIL UPGRADE KIT, FREE OF CHARGE. THE RECALL BEGAN MAY 27, 2011. OWNERS MAY CONTACT IDLE FREE SYSTEMS AT 1-608-492-2202.
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: “IF LEFT UNCHECKED, THE WELDS MAY COMPLETELY FAIL, ALLOWING THE APU TO FALL FROM THE FRAME RAIL. IF THE UNIT FAILS WHILE THE VEHICLE IS BEING OPERATED, THE UNIT COULD STRIKE ANOTHER VEHICLE OR A PEDESTRIAN INCREASING THE RISK OF A CRASH OR I…”

141vehicles potentially
affected
1model named
in the notice
0rewrites we have
caught
reported 2 June 2011owners told 27 May 2011today
Owners were written to on 27 May 2011, 6 days before the defect report reached the regulator on 2 June 2011.
Campaign11E020
Filed byIDLE FREE SYSTEMS, INC.
System at faultEquipment
Reported to NHTSA2 June 2011
Model years9999-9999
Vehicles namedIFS ELECTRIC APU

What the notice says today

The consequence

IF LEFT UNCHECKED, THE WELDS MAY COMPLETELY FAIL, ALLOWING THE APU TO FALL FROM THE FRAME RAIL. IF THE UNIT FAILS WHILE THE VEHICLE IS BEING OPERATED, THE UNIT COULD STRIKE ANOTHER VEHICLE OR A PEDESTRIAN INCREASING THE RISK OF A CRASH OR INJURY.

The remedy

IDLE FREE SYSTEMS WILL PROVIDE A FRAME RAIL UPGRADE KIT, FREE OF CHARGE. THE RECALL BEGAN MAY 27, 2011. OWNERS MAY CONTACT IDLE FREE SYSTEMS AT 1-608-492-2202.

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.

How to cite this record

Quoting the wording on this page means quoting a version, so the date belongs in the citation:

CarsMultiverse, recall 11E020, wording as read on 17 September 2026. https://carsmultiverse.com/recall/11e020/

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 11E020 on 17 September 2026, they were:

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 11E020 · how the whole register is watched

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