Programmed 2006-2009 Pontiac Montana TCM 24234503 | T42 Module

Get Your Family Van Running Smoothly Again

End the stress of a faulty transmission in your Pontiac Montana. This VIN-programmed T42 TCM (24234503) is the simple, reliable fix for harsh shifting and warning lights, restoring the dependable performance you need for your family. Install it yourself and drive with confidence. Add to cart for a lasting solution.

$79.95

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 591-07270-120 Categories: ,
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Restore Smooth, Reliable Shifting to Your Family’s Minivan

Is your 2006-2009 Pontiac Montana experiencing frustrating and unpredictable transmission problems? Harsh shifts, getting stuck in gear, or a persistent check engine light can turn every family trip into a stressful ordeal. Don’t let a faulty Transmission Control Module (TCM) compromise your vehicle’s safety and reliability. This genuine GM T42 TCM, service number 24234503, arrives pre-programmed to your vehicle’s specific VIN, offering a direct, hassle-free solution to get your minivan back to running the way it should.

Common Symptoms & Your Solution

A failing TCM can cause a host of issues that disrupt your daily driving. If you’re noticing any of the following, this module is the definitive fix:

  • Abrupt, harsh, or delayed gear shifts
  • The vehicle entering “limp mode,” often stuck in 2nd or 3rd gear
  • An illuminated Check Engine Light or Transmission Warning Light
  • Specific Diagnostic Trouble Codes (DTCs) like P0700, P0750, or other solenoid-related faults
  • A complete failure to shift up or down, leading to poor acceleration and terrible fuel economy

This module is the heart of your automatic transmission’s logic, and installing our pre-programmed unit restores crisp shifting, proper communication between the engine and transmission, and the dependable performance you rely on. The 2006-2009 Pontiac Montana TCM 24234503 is engineered to resolve these common failures permanently.

Features & Tangible Benefits

  • ✔ Plug-&-Play Installation: This module is professionally programmed to your Montana’s VIN before shipping. This critical step ensures it communicates perfectly with your vehicle’s other computers right out of the box, eliminating the need for an expensive trip to the dealership for programming.
  • ✔ Restored Drivability: By precisely controlling shift points, line pressure, and torque converter lockup, this TCM restores the smooth, predictable performance your vehicle had when it was new. Enjoy confident acceleration and improved fuel efficiency on your daily commutes and family road trips.
  • ✔ A Lasting, Dependable Fix: Built to stringent OEM standards, this module is designed for durability and longevity. It directly addresses the root cause of many electronic transmission failures, giving you confidence in your repair.
  • ✔ Clear Fault Codes for Good: A new, correctly programmed TCM is often the only way to permanently resolve persistent transmission-related DTCs that other repairs can’t fix.
  • ✔ Peace of Mind Guarantee: This unit is backed by our one-year replacement warranty.

Expert Insight: Why VIN Programming is Non-Negotiable

In modern vehicles like your Pontiac Montana, the TCM doesn’t just change gears; it’s part of a complex network of computers. It constantly talks to the Engine Control Module (ECM), Anti-lock Brake System (ABS), and more. Our VIN programming service isn’t just a convenience—it’s essential. We load your vehicle’s unique factory software and calibration files onto the module. This ensures that all systems work in harmony, providing optimal shift quality, fuel economy, and operational safety. Skipping this step is like giving your vehicle’s brain amnesia; it simply won’t work correctly. We handle it for you, so your installation is simple and successful.

By choosing this pre-programmed 2006-2009 Pontiac Montana TCM 24234503, you are not just buying a part; you are investing in a reliable solution that restores your confidence in your family’s vehicle. The installation is straightforward for a DIYer with basic tools, typically taking less than an hour, and requires no core charge—you can keep your old part without any extra hassle.

Frequently Asked Questions

What does ‘VIN Programmed’ actually mean for me?

It means the module is ready for installation the moment you receive it. We use your Vehicle Identification Number (VIN) to load the exact software and calibration files for your specific Pontiac Montana. This allows the module to function perfectly with your engine and transmission, avoiding any compatibility errors or the need for additional dealer services.

Do I need any special tools to install this TCM?

No special tools are required. Basic hand tools like a socket set and ratchet are typically all that’s needed. The module is located in the engine compartment (often on the LH strut tower on a Montana), making it easily accessible. Always disconnect the battery before starting the replacement.

Will this fix my P0700 trouble code?

A P0700 code is a general transmission fault code, indicating that the TCM has detected a problem and requested the check engine light. While this module often resolves the underlying cause, it’s crucial to diagnose any other codes that are present. In many cases where the TCM itself is faulty, replacing it with our 2006-2009 Pontiac Montana TCM 24234503 will clear the code and the related issue.

Is there a core charge for my old part?

No, there is no core charge. You are not required to send your old, faulty module back to us, which simplifies the process and saves you money on return shipping.

How can I be sure this is the right part for my van?

This module is a direct replacement for service number 24234503 and other interchangeable part numbers listed in the description. As long as your vehicle is a 2006-2009 Pontiac Montana with a 4-speed automatic transmission, this is the correct part. Providing your VIN at checkout guarantees we program it perfectly for your specific vehicle.

Genuine OEM

Yes

Year
Brand

GM

MPN

24234503

Condition

Refurbished

Year

2006 – 2009

Model

MONTANA

Hardware Type

Interchange part number

Manufacturer Part Number

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