What are the guidelines and requirements for reprogramming the Engine Control Module on 2001 Toyota 4Runner?

Starting in 2001, Toyota/Scion and Lexus vehicles feature flash reprogrammable Powertrain Control Modules (PCM). Reprogramming should follow Technical Service Bulletins. Use validated tools like the Toyota/Lexus scantool or J2534 interfaces. The process requires specific software and equipment, and must be uninterrupted to avoid damaging the vehicle controller.

OEM 2001 Toyota 4Runner Engine Control Module

Engine Control Computer

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2001 Toyota 4Runner ECM
Part Number: 89666-35420
$1654.82 MSRP: $2425.15
You Save: $770.33 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Part Name Code: 89661
- Item Weight: 2.20 Pounds
- Item Dimensions: 12.6 x 10.2 x 4.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89666-35420
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2001 Toyota 4Runner Submodels:
- Base, Limited, SR5 | 6 Cyl 3.4 L GAS
View related parts
2001 Toyota 4Runner ECM
Part Number: 89666-35410
$1751.72 MSRP: $2567.17
You Save: $815.45 (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: 10.2 x 7.5 x 3.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89666-35410
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2001 Toyota 4Runner Submodels:
- Base, Limited, SR5 | 6 Cyl 3.4 L GAS

2001 Toyota 4Runner Engine Control Module

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2001 Toyota 4Runner Engine Control Module Parts Q&A

Q: What are the guidelines and requirements for reprogramming the Engine Control Module on 2001 Toyota 4Runner?
A: Starting in 2001, Toyota/Scion and Lexus vehicles feature flash reprogrammable Powertrain Control Modules (PCM). Reprogramming should follow Technical Service Bulletins. Use validated tools like the Toyota/Lexus scantool or J2534 interfaces. The process requires specific software and equipment, and must be uninterrupted to avoid damaging the vehicle controller.