• VIN programmed Trailblazer Envoy 2002 4.2 Engine Computer 12576463 12571178 GM
  • VIN programmed Trailblazer Envoy 2002 4.2 Engine Computer 12576463 12571178 GM
  • VIN programmed Trailblazer Envoy 2002 4.2 Engine Computer 12576463 12571178 GM
1 3

VIN programmed Trailblazer Envoy 2002 4.2 Engine Computer 12576463 12571178 GM

VIN programmed Trailblazer Envoy 2002 4.2 Engine Computer 12576463 12571178 GM

$88.99
$88.99
Sale Sold out
Shipping calculated at checkout.

Estimated delivery: Wednesday, November 26, 2025 - Saturday, November 29, 2025

View full details
  • Description
  • Reviews
  • Warranty
  • Shipping

VIN programmed Trailblazer Envoy 2002 4.2 Engine Computer 12576463 12571178 GM

Interchange Part Number: 12571178,ECU,4.2LManufacturer Part Number: 12576463Brand: O E MManufacturer Warranty: 90 Dayyear: 2002Fitment Type: Direct ReplacementThis listing is for 12576463 PCM programmed to your VIN with newest updates.This part is compatible with the following services numbers 12576463 12571178 This PCM fits/2002 4.2L GMC Envoy/Envoy XL 2002 4.2L Chevy TRAILBLAZER 2002 4.2L OLDSMOBILE BRAVADA -NO core charge. -Programmed to your VIN. IMPORTANT This module needs security key relearn to start the engine, and it may need crankshaft variation relearn (code P0315/P1336). You will need a scan tool capable of doing this relearn, instructions included. send your 17 digit VIN through ebay massage or at the time of the payment. We offer 1 Year warranty on this item. Shipped via USPS Priority Mail.

VIN programmed Trailblazer Envoy 2002 4.2 Engine Computer 12576463 12571178 GM

Interchange Part Number: 12571178,ECU,4.2L

Manufacturer Part Number: 12576463

Brand: O E M

Manufacturer Warranty: 90 Day

year: 2002

Fitment Type: Direct Replacement

This listing is for 12576463 PCM programmed to your VIN with newest updates.
This part is compatible with the following services numbers
12576463 12571178

This PCM fits/
2002 4.2L GMC Envoy/Envoy XL
2002 4.2L  Chevy TRAILBLAZER
2002 4.2L OLDSMOBILE BRAVADA

-NO core charge. 
-Programmed to your VIN.
IMPORTANT
This module needs security key relearn to start the engine, and it may need crankshaft variation relearn (code P0315/P1336). You will need a scan tool capable of doing this relearn, instructions included.
send your 17 digit VIN through ebay massage or at the time of the payment. 

 We offer 1 Year warranty on this item.
 Shipped via USPS Priority Mail.


&times
&times
&times
&times

Buy now and save!
Tell a friend Visit store Watch now

Postage info

Click the Postage tab above the listing description for more info

Click the Postage tab above the listing description for more info!

Additional delivery notes

PICK UP OPTION

Sorry, our items are NOT available for pick-up.

PAYING VIA PAYPAL

We accept PayPal on our all our items so you can shop with confidence.

Simple choose the PayPal option when proceeding through the checkout.

Additional Information

No additional information at this time

Ask seller a question

To contact our Customer Service Team, simply click the button here and our Customer Service team will be happy to assist.

Ask seller a question

© Auto 101

Shipping is calculated on eBay, click the Postage tab above the listing description for more information.

Accepted Payment Methods

  • PayPal

Returns are accepted

Items must be returned within of the auction ending

Seller will pay for return shipping.

Warranty

At Auto101, we stand behind the quality of our products and offer a Lifetime Warranty on select items. Our goal is to ensure that you are completely satisfied with your purchase and that our products serve you well throughout their life.

What is Covered

Our Lifetime Warranty applies to specific items indicated at the time of purchase. This warranty covers any defects in material or workmanship under normal use during the lifetime of the product. If a defect occurs, we will either repair the item or replace it at our discretion. Warranty is reedamable one time only.

What is Not Covered

The warranty does not cover: Damage caused by misuse, accidents, alterations, or negligence Any product that has been modified or used for purposes other than its intended design

Our Rights

We reserve the right to deny replacements or warranty claims for any reason, including but not limited to, misuse, improper installation, or damage not covered under the warranty. Auto101 also reserves the right to modify or change the terms of this warranty at any time, without prior notice.

How to File a Claim

To initiate a warranty claim, please contact our customer service team at [Contact@auto101.net]. You will be required to provide proof of purchase and details of the issue. We are committed to providing the best possible service and will work with you to resolve any issues in a fair and timely manner.

Shipping

Shipping Information

At Auto101, we work hard to get your order out fast and safely.

We ship Monday through Friday,

excluding holidays—and in some cases, Saturday or Sunday delivery may be available depending on the carrier. We use a variety of trusted shipping partners to get your items to you as quickly as possible.

Ordering multiple items? No problem! You might receive them in separate packages, and we’ll send you a tracking email for each one so you’ll always know what’s on the way.

Service Orders

(like SKIM delete, VATS delete, or cloning): Once we receive your module, we’ll complete the service and ship it back within 3 business days—fast, reliable, and hassle-free. Your estimated delivery date will appear at checkout based on your address and shipping choice. We appreciate your trust in Auto101 and can’t wait to help with your order!