Toyota Extends Air Injection Pump Failure Coverage to Certain 2012-13 Tundra

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Toyota has extended coverage of Air Injection Pump failure coverage to certain 2012-13 Tundra pickups. If your vehicle is listed, we HIGHLY recommend visiting your local dealer.

Toyota Extends Air Injection Pump Failure Coverage to Certain 2012-13 Tundra

Toyota has extended Air Injection Pump failure coverage to certain 2012-13 Tundra pickups.

The Air Injection Pump failure issue has been a thorn in the side of Tundra owners for quite some time. While it doesn’t seem to apply to every owner, it is an expensive fix to those that it does affect. Officially, Toyota says the problem is “the Engine Control Module (ECM) calibration may cause an emissions control component called an Air Injection Pump to fail in certain environmental conditions. If this occurs, the vehicle could enter a “Fail-Safe” Mode (also known as “Limp-Home” Mode). This mode reduces the vehicle’s power and speed, which could inconvenience an owner and require immediate repair.”

Toyota has launched an expanded Limited Service Campaign to help customers with this issue. This is the same campaign that has helped older Tundra owners and Sequoia owners. The new campaign will help both owners as well. Toyota estimates there are 19,000 Sequoia and 103,000 Tundra vehicles that could be affected.

Here is the list of the Tundra and Sequoia vehicles that are affected.

Toyota Extends Air Injection Pump Failure Coverage to Certain 2012-13 Tundra

If you have a vehicle covered by this extension, you should have received a letter in May (2013).

As we have covered many times, the fix is really expensive ($4,000) for this issue and is a bad deal for truck owners. There is one workaround that we are aware of, but besides that most owners are stuck paying for the repair. With this extension, many Tundra owners can rest assured Toyota will take care of them.

Has your vehicle been affected by this issue? Has Toyota helped you out? Let us know below.

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Filed Under: Tundra News


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  1. DJ says:

    I got the notice but havent done anything yet. I’m familiar with the AIP failure problem. Any idea what the preventative fix at the deal entails?

    • Tim Esterdahl says:


      The way I read the notice was that they were doing a re-programming if the ECU that prevents the AIP from failing.


  2. MPToy07 says:

    Just as a heads up to all those who are affected by the Limited Service Campaign; after the ECU recalibration, you will hear a slight buzz noise shortly after the ignition is turned off. What you’re hearing is the vehicle operating the AIP assemblies for a short time, to clear the system of any built-up moisture.

  3. LJC says:

    The Land Cruiser uses the same 5.7 engine, right?
    If so, why isn’t it being recalled?

    • MPToy07 says:

      The Land Cruiser may not be having this issue, possibly due to differences of design, different pumps, or different locations.

  4. LJC says:

    How’bout an article on the dreaded Cam Shaft Tower leak?

    I have a scary picture of it in action–perhaps worth of a recall.

    • Tim Esterdahl says:


      Send me the pic, I’ll run it and maybe I’ll see if I can get a response from Toyota.


  5. Mickey says:

    Well I’m fed up with these AIP period. Put new pump on and it lasted a whole 2 weeks now I have the code P2441 which is valve stuck closed.

  6. Bret says:

    I purchased my 2013 Tundra Platinum on July 1st and it is listed in the chart. I’ve never received a letter from Toyota though. It that because the fix has already been done on my truck?

  7. […] Not sure what the Toyota rep told you, but Toyota extended coverage to 2013 models. Check it out:…pump-coverage/ Tim Sent from […]

  8. Andrew Ex says:

    This happened to me on my way home from work a couple days ago. I have a 2012 Tundra with 9K miles. Luckily I was only a couple mikes away from Toyota’s service center. I dropped it off on Friday at 5pm and they had it fixed on Tuesday at 1pm. I drove my car home 5 miles everything at this point seemed OK. The next morning(today) 2 miles into my way to work it started doing it again. So I dropped it off at Toyota at 8am and now it is 4pm and they still don’t know what is wrong with it. The worst part is when it goes into Limp-Home Mode it becomes really unsafe to drive. The max speed my truck will go is 25 miles per hour. When you are on the freeway and that happens it is no bueno. Hopefully my truck does not turn out to be a lemon.

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