How to register the Identification Number (VIN) into the replacement Engine Control Module (ECM) on Scion tC?

Every replacement Engine Control Module (ECM) requires you to input the Vehicle Identification Number (VIN) using an intelligent tester program. This alphanumeric series consists of 17 digits. Users need to access input with the arrow buttons (UP, DOWN, RIGHT, LEFT) together with the numerical buttons (0 to 9). Operate the cursor on the tester screen through the RIGHT and LEFT buttons to choose between UP and DOWN selection of alphabetic characters while numeric input can be achieved by selecting numerical buttons or utilizing both UP and DOWN buttons. The cursor allows character correction when positioned over that character using the RIGHT or LEFT buttons. The technician should verify that the entered VIN corresponds correctly with the vehicle's VIN then hit the ENTER button. The intelligent tester requires connection to the DLC3 followed by turning the ignition switch ON and powering up the tester to view the VIN which resides in the ECM. The intelligent tester requires users to follow connection and ignition processes before allowing input of the VIN after confirming the entered VIN matches the vehicle.

OEM Scion tC Engine Control Module

Engine Control Computer

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

13 Engine Control Modules found

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Scion tC ECM
Part Number: 89661-21642
$519.59 MSRP: $761.47
You Save: $241.88 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
- Replaces: 89661-21641, 89661-21640
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2013-2016 Scion tC | Base | 4 Cyl 2.5 L GAS
View related parts
Scion tC ECM
Part Number: 89661-21511
$442.64 MSRP: $648.70
You Save: $206.06 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
- Replaces: 89661-21510, 89661-21470, 89661-21490
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2007-2010 Scion tC | Base, Spec | 4 Cyl 2.4 L GAS
View related parts
Scion tC ECM
Part Number: 89661-21630
$448.99 MSRP: $658.01
You Save: $209.02 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2013 Scion tC | Base | 4 Cyl 2.5 L GAS
View related parts
Scion tC ECM
Part Number: 89661-21620
$419.56 MSRP: $614.87
You Save: $195.31 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2013 Scion tC | Base | 4 Cyl 2.5 L GAS
View related parts
Scion tC ECM
Part Number: 89661-21600
$456.94 MSRP: $669.65
You Save: $212.71 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2011-2012 Scion tC | Base | 4 Cyl 2.5 L GAS
View related parts
Scion tC ECM
Part Number: 89661-21540
$485.20 MSRP: $711.06
You Save: $225.86 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2011-2012 Scion tC | Base | 4 Cyl 2.5 L GAS
View related parts
Scion tC ECM
Part Number: 89661-21530
$561.02 MSRP: $822.18
You Save: $261.16 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2011 Scion tC | Base | 4 Cyl 2.5 L GAS
View related parts
Scion tC ECM
Part Number: 89661-21460
$614.70 MSRP: $900.85
You Save: $286.15 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2006 Scion tC | Base | 4 Cyl 2.4 L GAS
View related parts
Scion tC ECM
Part Number: 89661-21450
$651.43 MSRP: $954.69
You Save: $303.26 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2006 Scion tC | Base | 4 Cyl 2.4 L GAS
View related parts
Scion tC ECM
Part Number: 89661-21421
$618.79 MSRP: $906.85
You Save: $288.06 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
- Replaces: 89661-21420
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2005-2006 Scion tC | Base | 4 Cyl 2.4 L GAS
View related parts
Scion tC ECM
Part Number: 89661-21391
$614.70 MSRP: $900.85
You Save: $286.15 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
- Replaces: 89661-21390
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2005-2006 Scion tC | Base | 4 Cyl 2.4 L GAS
View related parts
Scion tC ECM
Part Number: 89661-21521
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
- Replaces: 89661-21500, 89661-21520, 89661-21480
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2007-2010 Scion tC | Base, Spec | 4 Cyl 2.4 L GAS
View related parts
Scion tC ECM
Part Number: 89661-21652
$494.74 MSRP: $725.04
You Save: $230.30 (32%)
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
- Replaces: 89661-21650, 89661-21651
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2013-2016 Scion tC | Base | 4 Cyl 2.5 L GAS

Scion tC Engine Control Module

If you're thinking about purchasing OEM parts for your Scion tC, our website is your one-stop destination. We stock an extensive selection of genuine Scion tC Engine Control Module at pocket-friendly prices. Plus, we guarantee a swift delivery and a hassle-free return policy for your convenience.

Scion tC Engine Control Module Parts Questions & Experts Answers

ECM
89661-21391
Q: How to register the Identification Number (VIN) into the replacement Engine Control Module (ECM) on Scion tC?
A: Every replacement Engine Control Module (ECM) requires you to input the Vehicle Identification Number (VIN) using an intelligent tester program. This alphanumeric series consists of 17 digits. Users need to access input with the arrow buttons (UP, DOWN, RIGHT, LEFT) together with the numerical buttons (0 to 9). Operate the cursor on the tester screen through the RIGHT and LEFT buttons to choose between UP and DOWN selection of alphabetic characters while numeric input can be achieved by selecting numerical buttons or utilizing both UP and DOWN buttons. The cursor allows character correction when positioned over that character using the RIGHT or LEFT buttons. The technician should verify that the entered VIN corresponds correctly with the vehicle's VIN then hit the ENTER button. The intelligent tester requires connection to the DLC3 followed by turning the Ignition Switch ON and powering up the tester to view the VIN which resides in the ECM. The intelligent tester requires users to follow connection and ignition processes before allowing input of the VIN after confirming the entered VIN matches the vehicle.

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