How to install the Engine Control Module on Toyota Sienna?

The engine control system installation begins with attaching the ECM to the car body via 2 nuts at 5.5 Nm (56 kgf-cm, 49 in-lbf) torque followed by connector connection of the ECM's 5 terminals. Anyone working on a 10 speakers system must use 4 different nuts to secure both the ECM and stereo components amplifier at a specified torque before attaching all 5 ECM connectors and 2 stereo components amplifier connectors. The installation process starts with the No. 2 instrument panel box then proceeds to the glove compartment door assembly where both walls need to enter from the front while pushing the right side wall first before inserting the left wall to fit the stoppers. Board diagnosis for the ECM should always be activated during an ECM replacement procedure.

How to remove and replace the Engine Control Module (ECM) on Toyota Sienna?

The procedure for removing the 2GR-FE engine control system ECM begins with removing the glove compartment door assembly through right wall pressure followed by left wall stopper release before pulling the sub-assembly rearward. The second step requires users to separate both claws from the 4 clips to eliminate the No. 2 instrument panel box. The initial step for ECM removal involves disconnecting five ECM connectors before taking out two nuts that secure the ECM. After disconnecting the stereo components amplifier connectors from vehicles with 10 speakers systems it is necessary to remove the 4 bolts securing the ECM with the stereo components amplifier.

OEM Toyota Sienna Engine Control Module

Engine Control Computer

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

36 Engine Control Modules found

View related parts
Toyota Sienna ECM
Part Number: 89661-08402
$796.87 MSRP: $1167.83
You Save: $370.96 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-08400, 89661-08401
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2018 Toyota Sienna | L, LE, Limited, Limited Premium, SE, SE Premium, XLE, XLE Premium | 6 Cyl 3.5 L GAS
View related parts
Toyota Sienna ECM
Part Number: 89661-08230
$1195.03 MSRP: $1751.33
You Save: $556.30 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Manufacturer Note: P/N LABEL=8966108230
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2012 Toyota Sienna | Base, LE, Limited, SE, XLE | 6 Cyl 3.5 L GAS
View related parts
Toyota Sienna ECM
Part Number: 89661-08652
$621.74 MSRP: $911.17
You Save: $289.43 (32%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2021-2022 Toyota Sienna | LE, Limited, Platinum, XLE, XSE | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
View related parts
Toyota Sienna ECM
Part Number: 89661-08051
$1423.29 MSRP: $2085.85
You Save: $662.56 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-08050
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2000 Toyota Sienna | CE, LE | 6 Cyl 3.0 L GAS
View related parts
Toyota Sienna ECM
Part Number: 89661-08072
$1576.95 MSRP: $2311.03
You Save: $734.08 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-08070, 89661-08071
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2002-2003 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.0 L GAS
View related parts
Toyota Sienna ECM
Part Number: 89661-08167
$549.33 MSRP: $805.05
You Save: $255.72 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-08164, 89661-08165, 89661-08163, 89661-08166
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2017-2018 Toyota Sienna | L, LE, Limited, Limited Premium, SE, SE Premium, XLE, XLE Premium | 6 Cyl 3.5 L GAS
View related parts
Toyota Sienna ECM
Part Number: 89661-08447
$849.76 MSRP: $1245.34
You Save: $395.58 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-08443, 89661-08440, 89661-08446, 89661-08445, 89661-08444
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2017-2018 Toyota Sienna | L, LE, Limited, Limited Premium, SE, XLE, XLE Premium | 6 Cyl 3.5 L GAS
View related parts
Toyota Sienna ECM
Part Number: 89661-08301
$830.58 MSRP: $1217.23
You Save: $386.65 (32%)
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-08300
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2011 Toyota Sienna | Base, LE, Limited, SE, XLE | 6 Cyl 3.5 L GAS
View related parts
Toyota Sienna ECM
Part Number: 89661-08411
$763.96 MSRP: $1119.59
You Save: $355.63 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-08410
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2015-2016 Toyota Sienna | L, LE, Limited, SE, XLE | 6 Cyl 3.5 L GAS
View related parts
Toyota Sienna ECM
Part Number: 89661-08220
$1195.03 MSRP: $1751.33
You Save: $556.30 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Manufacturer Note: P/N LABEL=8966108220
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2012 Toyota Sienna | Base, LE, Limited, SE, XLE | 6 Cyl 3.5 L GAS
View related parts
Toyota Sienna ECM
Part Number: 89661-08421
$771.22 MSRP: $1130.23
You Save: $359.01 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-08420
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2015-2016 Toyota Sienna | L, LE, Limited, SE, XLE | 6 Cyl 3.5 L GAS
View related parts
Toyota Sienna ECM
Part Number: 89661-08490
$850.90 MSRP: $1247.00
You Save: $396.10 (32%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Manufacturer Note: DENSO,MARK 89661-08490
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2019 Toyota Sienna | L, LE, Limited, Limited Premium, SE, SE Premium, XLE, XLE Premium | 6 Cyl 3.5 L GAS
View related parts
Toyota Sienna ECM
Part Number: 89661-08040-84
$594.51 MSRP: $877.23
You Save: $282.72 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Reman Computer, Engine; Engine Control Module
- Replaces: 89661-08040
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2000 Toyota Sienna | CE, LE | 6 Cyl 3.0 L GAS
View related parts
Toyota Sienna ECM
Part Number: 89661-08120-84
$547.89 MSRP: $808.18
You Save: $260.29 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sienna Reman Ecu; Engine Control Module
- Replaces: 89661-08120
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2005 Toyota Sienna | CE, LE, XLE, XLE Limited | 6 Cyl 3.3 L GAS
View related parts
Toyota Sienna ECM
Part Number: 89661-08030-84
$572.96 MSRP: $845.32
You Save: $272.36 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-08030
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1999 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.0 L GAS
View related parts
Toyota Sienna ECM
Part Number: 89661-08093-84
$547.89 MSRP: $808.48
You Save: $260.59 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sienna Reman Ecu; Engine Control Module
- Replaces: 89661-08090, 89661-08091, 89661-08092, 89661-08093
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004 Toyota Sienna | CE, LE, XLE, XLE Limited | 6 Cyl 3.3 L GAS
View related parts
Toyota Sienna ECM
Part Number: 89661-08103-84
$542.09 MSRP: $799.60
You Save: $257.51 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Reman Ecu; Engine Control Module
- Replaces: 89661-08102, 89661-08101, 89661-08100, 89661-08103
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004 Toyota Sienna | CE, LE, XLE, XLE Limited | 6 Cyl 3.3 L GAS
View related parts
Toyota Sienna ECM
Part Number: 89661-08020-84
$572.96 MSRP: $845.32
You Save: $272.36 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-08020
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1999 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.0 L GAS
View related parts
Toyota Sienna ECM
Part Number: 89661-08011-84
$473.99 MSRP: $698.76
You Save: $224.77 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Reman Computer Engine; Engine Control Module
- Replaces: 89661-08010, 89661-08011
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1998-1999 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.0 L GAS
View related parts
Toyota Sienna ECM
Part Number: 89661-08061-84
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-08061
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.0 L GAS

| Page 1 of 2 |Next >

1-20 of 36 Results

Toyota Sienna Engine Control Module

Choose genuine Engine Control Module that pass strict quality control tests. You can trust the top quality and lasting durability. Shopping for OEM Engine Control Module for your Toyota Sienna? Our website is your one-stop destination. We stock an extensive selection of genuine Toyota Sienna parts. The price is affordable so you can save more. It only takes minutes to browse and find the exact fit. Easily add to cart and check out fast. Our hassle-free return policy will keep you stress-free. We process orders quickly for swift delivery. Your parts will arrive faster, so you can get back on the road sooner.

Located on Toyota Sienna is the Sienna Engine Control Module or the ECM, which is one of the significant elements that point to Toyota's dedication to quality and efficiency in every vehicle, including the minivans. The module known as the Toyota Sienna ECM is like the car's computer and part of the sensor system where oxygen and throttle position sensors are located and involved in determining the air-fuel mixture and the engine idle speed control. This makes sure that the Toyota Sienna is up to its optimal level thus; improving on the fuel consumption factor while at the same time improving on the safety aspect. Compatibility is a great strength of the Engine Control Module since this part can be applied to different generations of the Toyota Sienna ranging from the first generation in the year 1997 to the current models. The ECM uses sophisticated machinery and technology not only in the basic functions of the engine but other functions incorporated in a normal vehicle making the ECM stand out in the market. Specifically, the Toyota Sienna has earned many reviews for its reliability for which the number of Awards from Car and Driver and IIHS can be evident, which still prove the necessity of a Trustworthy Engine Control Module. This way, Toyota offers choices of purchasing a new or remanufactured Sienna ECM to all Sienna users and provide the prime performance. The Engine Control Module, therefore, is not just an element in the Sienna; but a perfect symbol of Toyota's optimal performance and sound safety - that is the brand's promise.

Toyota Sienna Engine Control Module Parts and Q&A

ECM
89661-08271
Q: How to install the Engine Control Module on Toyota Sienna?
A:
The engine control system installation begins with attaching the ECM to the car body via 2 nuts at 5.5 Nm (56 kgf-cm, 49 in-lbf) torque followed by connector connection of the ECM's 5 terminals. Anyone working on a 10 speakers system must use 4 different nuts to secure both the ECM and stereo components amplifier at a specified torque before attaching all 5 ECM connectors and 2 stereo components amplifier connectors. The installation process starts with the No. 2 instrument panel box then proceeds to the glove compartment door assembly where both walls need to enter from the front while pushing the right side wall first before inserting the left wall to fit the stoppers. Board diagnosis for the ECM should always be activated during an ECM replacement procedure.
ECM
89661-08281
Q: How to remove and replace the Engine Control Module (ECM) on Toyota Sienna?
A:
The procedure for removing the 2GR-FE engine control system ECM begins with removing the glove compartment door assembly through right wall pressure followed by left wall stopper release before pulling the sub-assembly rearward. The second step requires users to separate both claws from the 4 clips to eliminate the No. 2 instrument panel box. The initial step for ECM removal involves disconnecting five ECM connectors before taking out two nuts that secure the ECM. After disconnecting the stereo components amplifier connectors from vehicles with 10 speakers systems it is necessary to remove the 4 bolts securing the ECM with the stereo components amplifier.