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2001-2005 Toyota Rav4 ECM Repair Service

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2001-2005 Toyota Rav4 ECM Repair Service

Do you own a 2001, 2002, 2003, 2004 or 2005 Toyota Rav4?


Are you having problems with the automatic transmission? The transmission acts erratically? Loss of power when accelerating or launching in other than first gear? Engaging very harsh in reverse? Slipping from 2nd to 3rd gear?


All those are problems caused by a defective ECM or Engine Control Module, a.k.a “Car Computer”.


The good news is that we have a solution for getting rid of the problem for good.


We are offering a REPAIR AND RETURN service for your Toyota Rav4 ECM (ECU). You send us your defective ECM, we repair and reprogram it and then it is shipped back to you. Our turn around time is one business day for most of the times or 2 business days when the workload is high. International orders are welcome too.



We offer FREE return shipping through USPS Priority Mail to continental USA, Puerto Rico, Hawaii, Alaska, Guam, American Samoa and US Virgin Islands. For international locations, return shipping cost will be calculated for FedEx shipping service. Return shipment to Canada can be served by USPS, but unfortunately is not free. We recommend FedEx for Canada though.


This is affecting more than a million units all around the world. It is so common that Toyota issued an “enhanced warranty” on this, which is long expired now.


This service covers 4WD Rav4 and 2WD Rav4 automatic vehicles. It also covers Toyota Picnic and Toyota Avensis models of the same years (2001-2005).



We always stand by our customers. For our warranty on this service, please check the “Warranty” tab on this page.


Tampered Units


Did you already service your ECM with any other shop or Company and they could not fix it? No worries, we accept those units too. ECMs that have been serviced previously by others may take a little more time because in some cases, we need to fix additional problems induced by what the third party did, but we will gladly accept your unit and do our best to help.


Why replacing it? New or used ECMs are giving the same problems and the Toyota Rav4 ECM repair cost is much less than the Toyota Rav4 ECM replacement cost. We offer the most complete service on these units, as we cover the whole unit, not just the transmission problem. Also, our competitors are not replacing the damaged parts. We do.




The following are the most common symptoms of this issue with the ECM:

  • Check engine is not triggered in most cases
  • When Check engine is triggered, it commonly shows P0750, P0753, P0755, P0758 or P1760 trouble codes when scanned
  • Hesitation or harsh shifting, mostly from 2nd to 3rd gears
  • Slams into gear when putting it in reverse
  • Sometimes it feels like braking by itself
  • Erratically shifts on an intermittent interval
  • Rattling or clicking noise coming from the engine bay when the engine is running, even if in neutral gear
  • Some days fails and some days works with no issues
  • The problem is there only when the engine gets warm or only when it is started the first time in the morning
  • When stopping completely and moving again, it loses power and feels sluggish or heavy
  • Lower fuel economy. Spends more gas than usual


ECM Part Numbers


This is a partial list of the ECM part numbers affected. You will find the part number on the label at the top of your ECM. It starts with “89661”. Not all numbers are covered here, so if you don’t see your ECM number in the table below or if you are in doubt if your ECM is part of that list, please feel free to contact us to ask.


89661-42620 89661-42621 89661-42622 89661-42650 89661-42651
89661-42652 89661-42653 89661-42654 89661-42660 89661-42661
89661-42662 89661-42663 89661-42664 89661-42680 89661-42681
89661-42682 89661-42683 89661-42700 89661-42701 89661-42702
89661-42720 89661-42760 89661-42761 89661-42810 89661-42811
89661-42812 89661-42820 89661-42821 89661-42822 89661-42840
89661-42880 89661-42890 89661-42A31 89661-42A50 89661-42A80
89661-42A90 89661-42A91 89661-42A92 89661-42B00 89661-42B01
89661-42B40 89661-42B80 89661-42B90 89661-44250 89661-44270
89661-44271 89661-44272 89661-44290 89666-28140


ECM Location

2001-2003 toyota rav4 ecm location


Removing the ECM from your vehicle:

Tools you will need:

  • Short #2 Phillips screwdriver (stubby)
  • Regular #2 Phillips screwdriver
  • 10MM Socket Wrench
  • Flashlight.

The kick panel and the scuff plate should be removed first, before starting the ECM removal procedure (check the first drawing below).

Now, proceed to:

1. Open the glove compartment box. There are two plastic pins, limiting its opening, one on each side at the inner end of the box. Push the two inner edges inwards, so the glove box gets disengaged from its place.

2. Now, with the regular Phillips screwdriver, remove the two screws in the lower part, that are holding the glove box to the dash.

3. With the glove box completely out, find the ECM computer at the right, which is a metallic box with 5 wiring connectors on it. It is near a smaller metallic box.

4. Unplug the 5 white wiring connectors one by one, by pushing on a locking plastic clip that each connector have while pulling the harness out at the same time.

5. With the 10mm socket wrench, remove the 10mm head bolt that attaches the ECM to the bracket at the lower part (refer to the second drawing below) and with the short Phillips screwdriver, remove the two screws at the top.

You might need here a flashlight to find those upper two screws more easily and you might need to move away any wiring that might be in the way.

6. When the ECM is loose, carefully slide it downwards. It will come out with the rear bracket attached, so when it is out, remove the four Phillips screws as shown in the second picture below.

That’s it. You may pack it in a small box and send it to us!

rav4 ecm removal 1


rav4 ecm removal 2





If you any question about this service, about the warranty we offer, about shipment or if need assistance, please feel free to contact us any time, through the contact form on this page. We will be more than glad to help.

Searches: 2001 rav4 ecm repair, ecm rav4, 2001 toyota rav4 ecm repair, 2002 toyota rav4 ecm repair, 2002 toyota rav4 ecm recall, 2003 toyota rav4 ecm repair, 2003 toyota rav4 ecu, 2003 toyota rav4 transmission control module, toyota rav4 computer, toyota rav4 ecu repair, toyota rav4 ecm problems

Weight 2 lbs
Dimensions 12.5 x 9.5 x 2.5 in
Service Type

Repair Service


Toyota Rav4, Toyota Picnic, Toyota Avensis. All 2WD and 4WD automatic.


2001, 2002, 2003, 2004, 2005


ECM (Engine Control Module) (ECU)



Instructions Included



2 years warranty

Warranty covers the job done in the ECM. In the event that it fails again with the same problem, it will be serviced again at no job cost.

The job would be at no cost in those 2 years, but inbound shipping and outbound shipping will depend on the conditions below.

A. If it happens within the first 30 days and the problem is caused by something we did wrong, shipping both ways would be covered by us.

B. If it happens within the first 30 days and it was not our fault, a different part is damaged this time for example, we will cover outbound shipment, but inbound shipment is on customer’s expense.

C. If it happens anytime within the 2 years and the problem is the same part again,

1 review for 2001-2005 Toyota Rav4 ECM Repair Service

  1. Rated 5 out of 5

    James B.

    I have been driving my 2003 Rav4 for a couple days now and could not be happier with your services. I was only on my second tank of gas since purchasing it when i discovered it had shifting issues. My cars symptoms were very occasional. Sometimes a slightly harsh shift from 2nd to third. A few times it started out from a stop in a higher gear. Twice i noticed extreme slippage when shifting into 3rd. So I parked it and found you on the web.

    The car now shifts perfect in every situation. I had an occasional low, slightly rough idle which i did not realize initially was related to the ecm and that is fixed too. It seems I caught it early enough before it damaged the transmission so all looks good.

    I also have to mention i was impressed with your professionalism as far as communication and how quickly you turned it around and got it back to me.

    Everything as advertised!

    Thank You,

    James B.

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