Programmed 2008-2009 Pontiac Montana Engine Control Module | 12630457

Restore Your Minivan’s Reliability

Get your family back on the road with peace of mind. This Engine Control Module for your 2008-2009 Pontiac Montana arrives fully programmed to your VIN, eliminating guesswork and costly dealer visits. Restore smooth performance and dependability. Add to cart for a confident repair.

$118.99

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 590-08112-223 Categories: ,
Guaranteed Safe Checkout

Is your Pontiac Montana suffering from a persistent check engine light, erratic idling, or a frustrating no-start condition? These are common signs of a failing Engine Control Module (ECM), the electronic brain of your vehicle. Don’t let a faulty computer disrupt your family’s schedule and safety. This direct-fit, professionally programmed ECM is the reliable, long-term solution to restore your minivan’s performance and get you back on the road with confidence.

Common Symptoms & Your Direct Solution

A failing ECM can cause a wide range of confusing issues. If you’re experiencing any of the following, this module is your answer:

  • Persistent Check Engine Light (CEL)
  • Diagnostic Trouble Codes (DTCs) like P0601, P0602, P0606
  • Poor fuel economy
  • Engine stalling or hesitating
  • Rough or unstable idle
  • Complete no-start condition
  • Transmission shifting problems

This isn’t just a replacement part; it’s a complete fix. We flash this module with the latest GM software updates specifically for your vehicle’s VIN. This ensures that the 2008-2009 Pontiac Montana engine control module you receive is perfectly calibrated for your engine, transmission, and factory options, eliminating the common headaches associated with generic, un-programmed units.

Features & Benefits

  • ✔ VIN-Programmed for Your Vehicle: Arrives ready to install with no need for expensive dealer programming. We handle all the flashing before it ships.
  • ✔ Updated GM Software: Loaded with the newest factory software to improve performance and fix known bugs, ensuring optimal operation.
  • ✔ Restored Engine Performance: Regain the smooth acceleration, stable idle, and fuel efficiency you expect from your vehicle.
  • ✔ Cost-Effective Solution: A smart, affordable alternative to the high costs and scheduling hassles of a dealership repair.
  • ✔ Broad Compatibility: While perfect for your Montana, this module also services a wide range of GM vehicles, confirming its quality and reliability. (See interchange list for details).
  • ✔ Peace of Mind Protection: This unit is backed by our one-year replacement warranty.

An Expert’s Take on VIN Programming

As a technician with over two decades of experience, I’ve seen countless vehicle owners try to save a few dollars with a used computer from a salvage yard. It almost never ends well. Modern vehicles have complex anti-theft systems (like GM’s Passlock/Passkey) that are tied directly to the VIN stored in the ECM. An unmatched module will prevent the vehicle from starting, period. Our process of pre-programming this 2008-2009 Pontiac Montana engine control module to your specific VIN bypasses this entire problem. It ensures the module communicates correctly with all other systems in your vehicle, from the ignition to the transmission, saving you from a massive diagnostic and programming headache.

By installing this precisely calibrated 2008-2009 Pontiac Montana engine control module, you are not just replacing a part—you are restoring the central nervous system of your vehicle’s powertrain. The process is simple: after your purchase, provide us with your VIN, and we’ll ship a module that’s ready to get your minivan running smoothly again.

Frequently Asked Questions

Do I need to do any programming myself?

No. This module comes fully programmed to the VIN you provide. In most cases, it is a plug-and-play installation. Some vehicles may require a simple security relearn procedure, which can typically be done without special tools by following instructions in your owner’s manual or online.

How do I provide my vehicle’s VIN?

After you complete your purchase, we will send you a message requesting your vehicle’s 17-digit VIN. We cannot ship your part until we have this information to complete the programming.

Is this the correct ECM for my vehicle?

This module fits the 2008-2009 Pontiac Montana and many other GM models listed. The most accurate way to ensure a perfect match is by providing your VIN. Our programming process guarantees compatibility with your specific vehicle.

What tools are needed for installation?

Installation typically requires only basic hand tools, such as a socket set and screwdrivers. It is critical to disconnect the vehicle’s battery before you begin to prevent any electrical damage. Always consult a repair manual for your specific vehicle for detailed instructions.

What if my original part number is not on the list?

The list of service numbers shows many compatible parts. However, if your number is not listed, please contact us with your VIN and original part number. We can verify compatibility for you.

Genuine OEM

Yes

Year
Condition

Refurbished

MPN

12630457

Interchange part number

PartNumber

590

Model

MONTANA

Year

2009

Brand

GM

Manufacturer Part Number

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Hardware Type

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