How to replace the Engine Control Module (ECM) on 2005 Toyota Sienna?

The replacement process for the Engine Control Module (ECM) demands beginning with glove compartment door assembly removal. Begin by disconnecting the 5 ECM connectors and removing the 2 nuts that secure the ECM and afterward taking off the 2 screws that support ECM bracket and ECMB bracket No. 2. You should first apply torque to 3.0 N.m (31 kgf.cm, 27 in.lbf) for the 2 screws that anchor ECM bracket No. 2 before proceeding to install ECM bracket with its 2 screws featuring the same torque. Follow the installation steps by securing the 2 nuts at 13 N.m (133 kgf.cm, 10 ft.lbf) while shimelling connection to the 5 ECM connectors. The glove compartment door assembly needs to be installed as the last step of this procedure.

OEM 2005 Toyota Sienna Engine Control Module

Engine Control Computer

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2005 Toyota Sienna ECM
Part Number: 89661-08120-84
$547.89 MSRP: $808.18
You Save: $260.29 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sienna Reman Ecu; Engine Control Module
- Replaces: 89661-08120
- Item Weight: 2.20 Pounds
- Item Dimensions: 13.2 x 9.8 x 4.1 inches
- Condition: New
- SKU: 89661-08120-84
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2005 Toyota Sienna Submodels:
- CE, LE, XLE, XLE Limited | 6 Cyl 3.3 L GAS
View related parts
2005 Toyota Sienna ECM
Part Number: 89661-08130
$991.18 MSRP: $1452.59
You Save: $461.41 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Part Name Code: 89661
- Item Weight: 1.40 Pounds
- Item Dimensions: 10.1 x 7.6 x 3.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89661-08130
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2005 Toyota Sienna Submodels:
- CE, LE, XLE, XLE Limited | 6 Cyl 3.3 L GAS

2005 Toyota Sienna Engine Control Module

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2005 Toyota Sienna Engine Control Module Parts Q&A

Q: How to replace the Engine Control Module (ECM) on 2005 Toyota Sienna?
A: The replacement process for the Engine Control Module (ECM) demands beginning with glove compartment door assembly removal. Begin by disconnecting the 5 ECM connectors and removing the 2 nuts that secure the ECM and afterward taking off the 2 screws that support ECM bracket and ECMB bracket No. 2. You should first apply torque to 3.0 N.m (31 kgf.cm, 27 in.lbf) for the 2 screws that anchor ECM bracket No. 2 before proceeding to install ECM bracket with its 2 screws featuring the same torque. Follow the installation steps by securing the 2 nuts at 13 N.m (133 kgf.cm, 10 ft.lbf) while shimelling connection to the 5 ECM connectors. The glove compartment door assembly needs to be installed as the last step of this procedure.