2007-2010 Sierra Denali Transfer Case Control Module 24243085 Programmed To Your VIN VIN TCCM

Restore Your Sierra’s 4×4 Capability

Tired of the ‘Service 4WD’ light and a non-responsive 4×4 system? This Transfer Case Control Module (TCCM) is the solution. It arrives pre-programmed to your truck’s specific VIN, eliminating the need for a costly dealership visit. This direct-fit module makes for a simple, plug-and-play installation to get your truck back to full strength. Order today and take control of your 4WD system again!

$194.95

+11.99 USPS Priority Shipping

Availability: In stock



Guaranteed Safe Checkout

Is your 2007-2010 Sierra Denali flashing a ‘Service 4WD’ message on the dash? Are you unable to switch between 2WD, 4HI, or 4LO? You’re not just losing convenience; you’re losing the core capability of your truck. As a technician with over two decades of experience under the hood of these GM trucks, I’ve seen this issue hundreds of time. The culprit is almost always a failed Transfer Case Control Module (TCCM).

Don’t let a faulty module keep your powerful truck sidelined. This isn’t just a replacement part; it’s a complete, hassle-free solution. We are offering a genuine GM-spec TCCM, part number 24243085, that comes fully programmed with the latest GM software updates specifically for your vehicle. Simply provide us with your VIN at checkout, and we handle the complex part. The module arrives at your door ready for a simple, plug-and-play installation, saving you a costly trip to the dealership for programming.

Case Study: A Tricky Diagnosis

A customer brought in a 2009 Sierra 1500 with an intermittent ‘Service 4WD’ light. The transfer case motor had already been replaced at another shop, but the problem persisted. Scanning it, I found a U0102 code – Lost Communication with TCCM. Instead of just throwing another part at it, I checked the wiring and connectors first. Everything looked solid. The issue was that the module would only fail after about 20 minutes of driving. This is a classic sign of internal circuit board failure, where heat expansion causes a hairline crack in a solder joint to open up. We installed one of these pre-programmed modules, and the truck’s 4×4 system has been flawless ever since. It saved the customer from another misdiagnosis and got the job done right.

Is Your Truck Showing These Symptoms?

A failing TCCM can cause a range of frustrating issues. If you’re experiencing any of the following, this module is the likely solution for your 2007-2010 Sierra Denali TCCM problems:

  • ✔ ‘Service 4WD’ light illuminated on the instrument cluster.
  • ✔ Inability to shift the transfer case into or out of 4WD (4HI or 4LO).
  • ✔ The 4×4 selector switch lights don’t illuminate or flash without engaging.
  • ✔ Grinding or clunking noises when attempting to shift the transfer case.
  • ✔ Diagnostic Trouble Codes (DTCs) stored in the system, such as C0327, C0306, C0321, or the communication code U0102.

A Straightforward Guide to Installation

One of the best parts about this solution is that the hard part—the programming—is already done. The physical swap is something most DIYers can handle in their own driveway. Here’s a general guide:

  1. Safety First: Disconnect the negative terminal from your truck’s battery to prevent any electrical shorts.
  2. Locate the Module: On most 2007-2010 Sierra Denali models, the TCCM is located on the driver’s side of the dashboard, up and to the left of the steering column. You may need to remove the lower dash panel for access.
  3. Disconnect and Remove: Carefully unplug the electrical connectors from the old module. They have locking tabs, so be gentle. Then, unbolt the module from its mounting bracket.
  4. Install the New Module: Bolt your new, pre-programmed TCCM into place. Reconnect the electrical connectors, ensuring they click securely into position.
  5. Final Steps: Reinstall the dash panel and reconnect the negative battery terminal. Start the truck and test the 4WD selector switch. The ‘Service 4WD’ light should be gone, and all functions restored.

Will This Fit My Truck?

This module is a direct replacement for a wide range of GM trucks and SUVs. While this listing is focused on the 2007-2010 Sierra Denali TCCM, it is also compatible with the following vehicles and part numbers. Please verify your model and year.

Compatible Part Numbers: 24261367, 12588096, 24239190, 24240487, 24241143, 24241970, 24242480, 24243084, 24243085, 24249095, 24252878

  • Avalanche 1500: 2008-2013
  • Sierra 1500/2500/3500: 2007 (New Body Style) – 2014
  • Sierra Denali: 2007-2010
  • Sierra Denali 2500/3500: 2011-2014
  • Silverado 1500/2500/3500: 2007 (New Body Style) – 2014
  • Suburban 1500/2500: 2008-2014
  • Tahoe: 2008-2014
  • Yukon / Yukon XL 1500/2500: 2007-2014

Frequently Asked Questions

Why do you need my VIN?

Your Vehicle Identification Number (VIN) allows us to program the module with the exact software and calibrations specified by GM for your truck’s specific options. This ensures perfect communication between the TCCM and other vehicle systems, guaranteeing a true plug-and-play installation without needing a trip to the dealer.

Is this a difficult part to install myself?

No, this is a great DIY-friendly repair. Because we handle the programming, the physical installation is simple. It typically involves removing a lower dash panel and swapping the module with basic hand tools. Most customers complete the job in under an hour.

What does the TCCM actually do?

The Transfer Case Control Module is the ‘brain’ of your 4WD system. It takes the input from your selector switch (e.g., 2WD, 4HI) and commands the electric shift motor on the transfer case to engage the correct gear, giving you four-wheel drive when you need it.

Will this fix the ‘Service 4WD’ light?

In the vast majority of cases, yes. The ‘Service 4WD’ light is most commonly triggered by a failing TCCM or a communication error originating from it. This pre-programmed module is the definitive fix for those issues.

Is this compatible with other part numbers?

Yes, this module is a direct replacement for several part numbers, including 24261367, 24243084, 24249095, and more. Please see the full compatibility list in the description to confirm it matches your original part.

Genuine OEM

Yes

MPN

24243085

Year
Interchange part number

Condition

Seller refurbished

Model

Sierra Denali

Make

Year

2012

Brand

GM

Manufacturer Part Number

Warranty

1 Year

Fitment Type

Direct Replacement

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