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2001 2002 2003 Toyota RAV4 ECM / ECU Repair Service

2001 2002 2003 Toyota RAV4 ECM / ECU Repair Service

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Warranty: 24 months

Ships until: 1 business day*

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[Updated on October 22, 2014]

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Do you own a 2001, 2002 or 2003 automatic Toyota RAV4? Are you having automatic transmission shifting problems? Erratic problems? Power loss? Is transmission slipping? And in top of all that, also less fuel mileage than usual? We have the solution, read on!


This issue is simply annoying at the beginning, then it gets worst and finally, it ends up damaging the automatic transmission in the long run. Even accidents caused by this issue have been reported when it suddenly shifts down to first gear at highway speeds. It is like suddenly applying the brakes! In 99% of the cases, the problem is a faulty ECM (Engine Control Module), a.k.a ECU.

These are the most common symptoms:
  • Erratic Shifting.
  • Transmission slips in any gear, but mostly from second to third gear.
  • Starting in 3rd gear and shifting erratically or not shifting at all.
  • Hesitation when engaging in any of the gears.
  • Rattling noise coming from the front area when the engine is running.
  • The feeling of applying the brakes by it self in occasions.
  • False solenoid codes; P0750, P0753, P0755, P0758 and/or P1760.
  • The codes above not always show (DTC codes). Sometimes it fails with no codes at all or no check engine light.
  • Engages hard in reverse with a "bump" or takes time to engage.
  • Symptoms are intermittent. Sometimes symptoms only show up when warm or when cold and sometimes symptoms do not show at all.
  • One day it runs OK. All the symptoms magically disappear, but the next day, all or some of those symptoms are back.
  • In many cases, fuel economy or gas mileage is lower than normal.


It is been informed that around 235,500 RAV4 models in USA might be affected with this issue about the ECM. That is; 77,100 units from 2001 models, 87,600 units from 2002 models and 70,800 units from 2003 models. That's almost 1/4 million units in USA alone! There is a countless number of the same 2001-2003 units affected in other Countries that are not included in the 235,500 units. The total can easily be 2 or 3 times that quantity of ECMs, getting close to the million units.

It is a fact that sooner or later ALL these 2001-2003 Toyota models will be affected with this issue, unless the ECM is PROPERLY repaired or replaced, of which, we recommend the repair option, as many new ECMs, besides being expensive ($800-$1300), are failing again after some time of being replaced. Used ECMs are out of the question. They will fail immediately or soon after installed.


We are offering the service of repairing your vehicle's ECM for getting rid of this issue for good, before it damages your transmission. This is a permanent cure and it is available right now, right here! We have identified the causes of this issue and have worked with it for nearly 5 years, as today, Oct. 22, 2014. Our repair service not only fixes the problem, but also prevents it from happening again.

When you receive back your serviced ECM, it will be ready to be installed and used right away ("plug and play"). No programming will be needed and no trips to the dealer, so take action now! Don't damage your transmission by driving your vehicle with a failing ECM! A transmission repair or replacement job will cost you anywhere from $3000 to $5000!

This service covers the 4WD and 2WD automatic 2001-2003 Toyota Rav4, automatic 2001-2003 Toyota Picnic and automatic 2001-2003 Toyota Avensis Verso. The manual 2001-2003 Rav4 is covered too, when the symptom is low fuel mileage.


1. Please note that this is a service for repairing your current ECM. This is not a listing for a replacement ECM. If you need a refurbished replacement ECM, please contact us or visit the Toyota ECMs section.

2. Worldwide orders are happily accepted. We highly recommend to use FedEx, UPS or DHL services to ship your ECM to our location. Other shipping services may incur in a Customs brokerage fee of $200 that must be collected (charged to the customer) before the ECM is returned. FedEx, UPS or DHL will NOT generate this extra charge as they have their own Customs brokers.


Examples of RAV4 ECM units that are having these problems are listed below, but there are more, so don't hesitate on asking us or acquiring the service if you don't see your ECM's number in this list. Simple rule, if it is a 2001, 2002 or 2003 Toyota RAV4, Toyota Picnic or Toyota Avensis, either 4x2 or 4x4, then it is one of the affected models. Engines associated with these units are the 1AZ-FE engine and the 1AZ-FSE engine, both 2.0L.








































Other equivalent Toyota part numbers we are servicing:


















2001 2002 2003 Toyota RAV4 ecm ecu tcm repair service


Where is the ECM located in my RAV4?

Location of the 2001 2002 2003 Toyota RAV4 ecu ecm tcm computer

Toyota RAV4 ECM repair FAQ

What do you do? Do you reprogram or repair the ECM?

Both. We repair the circuit of the ECM and then reprogram the ECM. A reprogramming alone will not fix the transmission problem. The reprogramming is done to the transmission adaptation tables, which are located in a memory chip in the ECM's circuit. The repair process includes replacing any damaged electronic part and reconditioning of the whole circuit, to avoid this from happening ever again.

I have seen a lot of places over the Internet offering this same service lately. Why choosing you?

I need to first point out that all other places are not offering "this same service". We differ from them in that the ECM is completely reconditioned, needed parts are replaced and it is reprogrammed. We cover what they do not. For example, the common lower fuel economy (lower MPG), is also covered in our service. We have identified many potential problems in these ECMs, besides the transmission harsh shifting problems.

We constantly receive ECMs that were previously serviced by other shops, sent to us by unhappy customers in a second attempt to fix their ECMs.

But to answer the original question, Why choosing us? Because ECMs serviced by us, does not fail again. We fix the problem for good. Please find the reviews left by some of our customers from all around the globe, in our Facebook page.

May I have a copy of the bulleting distributed by Toyota about this?

Sure! Below you may download the official Toyota documents from our other website (


and below, is the warranty extension bulletin issued to the service managers and warranty administrators:

2001-2003 Toyota RAV4 Warranty Enhancement

Is it hard to remove the ECM from the vehicle? Is it a mechanic needed for the job?

A mechanic is not needed to remove the ECM. It is a matter of removing several bolts attached to 3 brackets that hold the ECM to the vehicle chassis. For doing so, a short Phillips screwdriver and a 10mm socket head wrench will be needed. Other than that, you will need to disengage the glove compartment (2 philip screws) and disconnect the 5 white connectors attached to the ECM, by simply pushing a clip on each connector and pulling it out.

Do I need to disconnect the vehicle battery before uninstalling or installing the ECM?

It is recommended, but not necesary in these models.

My ECM is not on the list shown. May I send it to you?

If it is a 2001, 2002 or 2003 Toyota Rav4, Picnic or Avensis, either 4x2 or 4x4, then yes, and we will fix it for you! There are more ECM part numbers affected than the ones listed on our page.

Will my RAV4 pass the smog test (emissions test) when doing inspection of my RAV4 if I get this service?

Short answer, YES. Long answer, it is actually the other way around, if the ECM issue caused somehow to fail the smog test, then after repaired it will pass the smog test without a problem. If it passed the emission tests before the problem showed up, it will then pass the test after the service more easily. This service will not alter in any way the engine's functions. We have even received reports of the vehicle performing better than ever before.

What are the engine specifications of these RAV4 you are servicing their ECMs

Engine is 4 cylinder, 2.0L, either the 1AZ-FE or 1AZ-FSE Toyota engines.

Do I need to program or do anything else that require a trip to the dealer in order to use my repaired ECM?

No, not at all. Your ECM will be "plug and play" after you receive it back. That means that you just reinstall it in your RAV4 and it will be ready to use. No programming, no trips to the dealer and no towing your RAV4 to the mechanic. You will start enjoying your new-again RAV4 as soon as the ECM is serviced and reinstalled.

People tell me that these ECMs will lock once serviced and will need to go to the dealer so they can fix that. Is it true?

Short answer, NOT with us. Detailed answer, Yes, it might happen if the ECM has the immobilizer system enabled and the technician does not do the job properly or does not know how to handle it (other shops).

We always prepare our customers' ECMs so they are ready to start the engine as usual when installed and can be used right away. If your ECM has the immobilizer system enabled, it is not a problem for us. We will know just by reading the memory of the ECM as soon as received and will program it accordingly, so it works with your keys and only with your keys.

You charge an amount for the job, plus shipping. How does shipping work?

The shipping fee we charge is for covering the return shipment. That fee will pay the shipping service used when we return the repaired ECM to you. Shipping it to our location, must be done by customers on their behalf.

I have more than one ECM. Do you offer combined shipping or any other discount?

Yes, we will ship up to 2 ECMs for the shipping charge of one if 2 or more services are ordered simultaneousy, if shipped Internationally (outside of the USA). If shipped in USA, the same will apply up to 3 ECMs.

About the job rate, if you send 2 ECMs at the same time to be repaired, we will take off 25% to the second ECM, if the orders are done simultaneously. The same 25% will apply to every extra ECM service ordered at the same time.

What warranty do you offer and what does it cover?

The warranty in months is specified at the top block of this page, near the "Add to Cart" button. It covers the repair job itself. During the whole warranty period, in the rarest occasion that your ECM fails with the same symptoms (have not happened yet), we will take care of it and if it is the same problem we worked on, we will solve it at no cost. We will even cover shipping charges.

Notes: The above warranty coverage will be valid as long as (1) the warranty seal(s) is not removed or tampered, (2) it was not caused by an external cause, like (a) a short circuit in the vehicle's circuitry, (b) if the ECM was used in the wrong car model, (c) if the ECM fell into the water or any other liquid, (d) if the ECM fell down from a considerable distance to a hard surface affecting or damaging the circuit or (e) if the ECM was smashed.

How much time will this service take?

We generally take only one business day. On high workload days, we might take up to 2 business days. The rest of the time it will take, will be shipment transit time, which will generally be 3 to 5 business days if mailed in the United States using USPS Priority Mail or 1-2 days if using USPS Express Mail. If FedEx is used, it would be next business day in USA destinations. FedEx on international locations (out of USA), would take 2-6 business days.

How does this service work? Do you send an ECM after I pay?

No. Right after you order the service, we will be expecting your ECM to arrive any time to our location, so it can be repaired, reprogrammed, tested and then shipped back to you. You may even send your ECM before payment is done, so some time is gained. In that case, you will receive an invoice as soon as the ECM gets here.

Is the ECM the same as ECU?

Yes, it refers to the same automotive part. ECM stands for Engine Control Module and ECU stands for Engine Control Unit, but refers to the same device.

If the ECU is "Engine Control Unit", why should I send it if the problem is not with the engine, but with the transmission?

In the case of the automatic 2001-2003 Toyota RAV4, Picnic or Avensis models, the ECM controls both, the engine and the transmission, different from other automatic car models, where there are two separated electronic units, one for the engine and another for the transmission (TCU).

Do you offer this service to XXX country?

Yes, we repair RAV4 ECMs from all around the world. All Countries are welcome.

How should I pack my ECM when shipping it to you?

Just send it in a small box, wrapped with some paper, plastic wrap or any packing material of your choice (newspaper is fine). Sending it in a bubble bag is ok too. The construction of this ECM is pretty tough and withstand moderate impacts. So far, all incoming ECUs have arrived OK, even those that came packed in a plain bag.

My RAV4 has the immobilizer system enabled. Can you still service my ECM?

Sure! You will have no problems with the immobilizer or with starting the engine with your keys (transponder keys). It will be ready to use as soon as you receive it.

I depend a lot of my RAV4. What could happen if I keep using it like that while I have the chance to send it to you?

Using your RAV4 with a failing ECM may cause the transmission to have an internal failure and then, the ECM and the transmission will both need service. This is something to be treated with urge once your vehcile starts showing the symptoms mentioned above in this page.

Is it really the ECM and not the transmission? It slips and jolts and feels like the transmission is really broken!

In very few cases, the problem is caused by the transmission and a failing ECM at the same time, unless it has been used and abused with a failing ECM. When the symptoms start to show up for the first time, you are still on time. Repairing or replacing the ECM is the first step to fix the problem and possibly the only one. It all begins with a faulty ECM and not instead.

Is there a chance that the transmission could be damaged besides the ECM?

Yes. Please see the answer of the previous question above. Our experience is that in a large percentage of the cases, it is only the ECM. It is very important that once the ECM failure is present, you stop using your RAV4 and either replace or repair the ECM.
Customer Reviews:
Displaying 1 to 6 (of 39 reviews)


"Very Good service! Good job guys! We are from Australia and were faced with a faulty ecm for the rav 4 2003. The first mechanic said they could get it fixed for $800. We got a cheaper quote of $385 from a place in Brisbane but they sent it back saying it was "Non Serviceable". So anyway we were then faced with the option of buying a new ecm ($700)- but then it would eventually fail again, buying a "repaired one of ebay ($500) - But the repair offered on ebay is only a temporary fix, buying a second hand one ($300) -not a good idea as it will fail again or THE BEST OPTION - To get the ecm properly repaired by Richard! So yea Purto Rico?? But yes it came back good as gold and Richard helped us out every step of the way. The problem it seems is that because of the design the ecm's they overheat and some of the components on the circuit board fail then they send false signals to the transmission to change gear, this will ruin your transmission. The service on ebay and you tube only rep"

Rating: 5  of  5  Stars [5 of 5 Stars]


"PHENOMENAL - Like others, I was leery, but no need. I had just purchased a used 09 Rav4 for my daughter for school clear across the country and less than a week before she was to leave I was informed that the transmission was acting up. Took it to the shop who checked it out before I had purchased and was told quite the line of b.s., so I started researching and wound up here. Took the Rav to a trans shop had 'em drop the pan to make sure there was no metal parts - there wasn't, so I had it serviced and sent the ECU off to Richard Rodriguez in Puerto Rico, not really knowing if I'd ever see it again. He received it Wednesday afternoon and I had it back on Thursday at 10:30 AM! The test drive after initial install showed evidence of improvement within roughly a five to ten minute "learning curve" and it was decided that the cross country trip would happen. I am extremely pleased to say that the 2,400 plus mile trip was a complete success! The factory ECU is right at $1,200.00 not i"

Rating: 5  of  5  Stars [5 of 5 Stars]

john quintana

"I send my rav 4 computer to Richard because I was having problems with the transmition and he fix it and mail it back to me and my rav is working perfect now , he did a good job and quick , I deffenetly recomend him to fix your computer."

Rating: 5  of  5  Stars [5 of 5 Stars]

Alan Waggoner

"My daughters 2001Rav4 was not changing gears correctly.the transmission was hanging up between gears and staying in 3rd gear. I found the Other Deal online and set my ECM off to Richard. he promptly returned it to me, repaired, I installed it, and the car works flawlessly. Thanks Richard for super job I am very satisfied. Alan"

Rating: 5  of  5  Stars [5 of 5 Stars]

Nicholas Deem

"I was very scared when I found out this company was located outside the U.S.A. and certainly did my home work, even on a Sunday evening sitting on my sail sail boat, sent an email to the company the owner instantly reassured me they were legit and had great confidence in repairing my ECU, I recieved my ECU, in perfect condition packaged nicely, reistalled and cannot believe how the car returned to it's original condition if not even smoother shifts than new, Richard was amazing and the work first class, I now show everyone with RAV4 issues this site and will be the first to use in the future....Nicholas"

Rating: 5  of  5  Stars [5 of 5 Stars]

Jonathan Hartmann

"My local Toyota dealer was not honest with me about the ECM being the culprit..even after I told him of the obvious clue..a slipping 2-3 upshift. Otherdeal fixed my unit, got it back fast, and the car runs perfectly...Richard saved the day."

Rating: 5  of  5  Stars [5 of 5 Stars]

Displaying 1 to 6 (of 39 reviews)