Of course, this is a maximum. It may, and usually does, take less than this time.
Engine Control Module (ECM/ECU) for 2005, 2006, and 2007 Toyota Corolla 1.8L Automatic transmission models. This ECM fits the Toyota Corolla, Corolla LE, CE, and S trims. It also fits the 2005/2006 Toyota Matrix. VIN Programming included.
This ECM has been repaired, reprogrammed, and refurbished. We corrected all common issues for these ECM models.
NO CORE NEEDED! No need to send us your old ECM.
Part Number
89661-02K21
Why Buy from Us
We offer quality items backed by a great warranty. These ECMs are tested, their calibration is updated, the VIN number is programmed for you at NO extra cost if you provide it when ordering, and these ECMs are programmed to start your car. You will get the best value on these ECMs when you buy from us.
Programming
No programming needed. This ECM is preprogrammed. Just install it, and it will be ready to use with your keys.
VIN
- When you order, we provide a form at checkout for you to enter your vehicle’s VIN.
- If you don’t provide your VIN with the order or in an email within 24 hours of placing the order, we will ship the ECM without the VIN. In this case, the car will still start and function as normal, but the check engine light will be on with the “VIN Mismatch” error code.
- We understand that mistakes do happen. If you send the wrong VIN or don’t provide one, you may have simply forgotten. You may send back the ECM and let us know the VIN so we can program it into the ECM. In this case, we will not charge for the service, but we will charge for shipping (determined by USPS or FedEx).
Identifying the Part Number
Your ECM part number is on the label at the top of the ECM, as shown below.

Always make sure your ECM part number matches this ECM’s part number or one of the exchange part numbers listed above on this page.
Covered Car Models (fitment)
- 2005 Toyota Corolla CE 1.8L 4 CYL Automatic (A/T)
- 2005 Toyota Corolla LE 1.8L 4 CYL Automatic (A/T)
- 2005 Toyota Corolla S 1.8L 4 CYL Automatic (A/T)
- 2006 Toyota Corolla CE 1.8L 4 CYL Automatic (A/T)
- 2006 Toyota Corolla LE 1.8L 4 CYL Automatic (A/T)
- 2006 Toyota Corolla S 1.8L 4 CYL Automatic (A/T)
- 2007 Toyota Corolla CE 1.8L 4 CYL Automatic (A/T)
- 2007 Toyota Corolla LE 1.8L 4 CYL Automatic (A/T)
- 2007 Toyota Corolla S 1.8L 4 CYL Automatic (A/T)
Possible Symptoms
A bad ECM in the 2005-2007 Toyota Corolla may cause any of numerous symptoms, but the most common are:
- The engine cranks but does not start
- You have engine crank but no start
- The car starts, but the engine doesn’t go over 2000 RPMs
- The engine starts but then stops
- The engine misfires intermittently
- The car stalls while driving or when starting the car
- Seems like the ignition coils are not getting enough power or not producing enough spark
- Increased emissions or smell of unburnt gasoline
- Scanner shows error code P0601, P0606, P0607, P0610, P1690, P1792, P1890, or other related codes
- Automatic transmission shifting problems
ECM Location
The 2005-2007 Toyota Corolla engine ECM is located under the right dash area (below the glove compartment area), as shown below. It has a plastic cover attached with two plastic plugs; the ECM is then secured with 4 Torx screws.

Notes referring to common questions we receive
- This unit will fix problems addressed in the 2005-2008 Toyota Corolla ECM recall.
- This is a direct replacement for the 2005-2007 Toyota Corolla ECM.
- ECM (Engine Control Module) and ECU (Engine Control Unit) refer to the same part.
- No programming is needed to start the engine. Your transponder keys will be automatically registered when you install the ECM and start the car with all the keys you have.
- If you provide the VIN when ordering, we will program it into the ECM at NO extra cost before shipping.
- The warranty for this unit is specified at the top of this page.
- We ship worldwide.
- We ship via USPS and FedEx.
- Shipping to the USA via USPS Priority Mail is FREE.
- When installing, it is a good idea to disconnect the vehicle battery, but it is not a must.
- No core charges. You do not need to send back your old ECM as a core.
This is a refurbished product. It has been put back to factory functioning conditions and has been tested and made sure that it works as new. In addition, a reasonable warranty has been included for the peace of mind of our customers.
Some images shown here will be for the only purpose of identifying the product, while in some other cases, the images are the actual product images. That been said, the product you receive may vary slightly from the images shown here. Nevertheless, we always pick the best and cleanest one we have available at the moment of shipping your order :)
TAGS: 89661 02k21, 8966102k21, toyota corolla ecm ecu



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