Restore Your Truck’s 4×4 Control and Confidence
Is the dreaded “Service 4WD” light glaring at you from the dashboard of your 2008-2013 Chevrolet Avalanche 1500? Are you unable to switch between 2WD and 4WD, or hearing unsettling noises when you try? You’ve likely pinpointed the culprit: a failed Transfer Case Control Module (TCCM). As the electronic brain of your four-wheel-drive system, a faulty TCCM can leave you without traction when you need it most. This isn’t just an inconvenience; it’s a safety concern in bad weather or off-road situations.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the guesswork and extra cost out of the repair by pre-programming this TCCM specifically to your truck’s Vehicle Identification Number (VIN). This means you get the latest GM software updates, ensuring optimal communication between your truck’s systems. You can skip the expensive trip to the dealership for programming—this module is truly plug-and-play.
Case Study: A Tricky Diagnosis
I remember a 2011 Sierra 1500 that came into my shop. The owner had already replaced the transfer case encoder motor, a common guess, but the “Service 4WD” light was still on and the selector switch was dead. A quick scan showed a U0102 code—Lost Communication with Transfer Case Control Module. Instead of throwing more parts at it, we checked the TCCM. We found evidence of water intrusion on the connector, a frequent issue due to its location under the dash. Replacing the module with a pre-programmed unit like this one had his 4×4 working perfectly in 30 minutes. It’s a reminder that diagnosing correctly saves time and money.
Your Solution for a Faulty 2008-2013 Avalanche 1500 TCCM
A failing TCCM can cause a host of frustrating issues that compromise your vehicle’s capability. By choosing our VIN-programmed module, you are getting a reliable fix that restores the factory function of your four-wheel-drive system. This module directly replaces a wide range of original part numbers, including 24240487, ensuring a perfect match for your vehicle. Simply provide your VIN at checkout, and we handle the rest, shipping you a part that’s ready for immediate installation.
A Straightforward Guide to Installation
- ✔ Safety First: Disconnect the negative terminal from your truck’s battery to prevent any electrical shorts.
- ✔ Locate the Module: The TCCM is typically located on the driver’s side, up under the dashboard to the left of the steering column. You may need to remove a lower dash panel for access.
- ✔ Disconnect and Remove: Carefully unplug the electrical connectors from the old module. They have locking tabs that need to be depressed. Then, unbolt the module from its mounting bracket.
- ✔ Install the New Module: Bolt the new, pre-programmed TCCM into place. Securely plug in the electrical connectors, making sure they click to confirm they are fully seated.
- ✔ Reconnect and Test: Reinstall any dash panels you removed. Reconnect the negative battery terminal. Start your truck and test the 4WD selector switch to confirm proper operation. The “Service 4WD” light should be off.
Common Signs of a Failing TCCM
- ✔ “Service 4WD” or “Service Four Wheel Drive” message on the instrument cluster.
- ✔ Inability to shift into or out of 4-High, 4-Low, or Auto 4WD.
- ✔ The 4WD selector switch lights are off or flash without engaging.
- ✔ Grinding or clunking noises when attempting to shift the transfer case.
- ✔ Diagnostic Trouble Codes (DTCs) are stored, such as C0306, C0327, C0374, C0569, or U0102.
Will This Fit My Truck?
This module is guaranteed to be compatible with the following GM vehicles. Please ensure your vehicle is on this list before ordering.
SIERRA 1500 PICKUP 07 (new style), 08-13 Transfer Case; (LH dash)
SIERRA 2500/3500 PICKUP 07 (new style), 08-14 Transfer Case; (LH dash)
SIERRA DENALI 07-10, SIERRA DENALI 2500/3500 11-14 Transfer Case; (LH dash)
SILVERADO 1500 PICKUP 07 (new style), 08-13 Transfer Case; (LH dash)
SILVERADO 2500/3500 PICKUP 07 (new style), 08-14 Transfer Case; (LH dash)
SUBURBAN 1500 08-14, SUBURBAN 2500 08-13 Transfer Case; (LH dash)
TAHOE 08-14 Transfer Case; (LH dash)
YUKON & YUKON XL 1500/2500 07 (Denali), 08-14 Transfer Case; (LH dash)
Frequently Asked Questions
Do I need to do any programming after I receive this module?
No. This TCCM arrives fully programmed to your vehicle’s VIN with the latest GM software. It is a true plug-and-play installation, saving you a trip to the dealership.
What happens if I don’t provide my VIN?
We cannot ship the module without your VIN. The programming process is essential for the part to function correctly in your specific truck. Please send us your VIN through messaging after you complete your purchase.
Is this a new or used part?
This is a high-quality, tested part that has been inspected and prepared for service. It is programmed with new GM software to ensure reliable performance and longevity, offering a dependable alternative to a costly new part from a dealer.
Will this fix my “Service 4WD” light?
If the TCCM is the source of the problem, yes, this part will resolve the issue and turn off the warning light. Common symptoms of TCCM failure are listed above. However, other parts like the encoder motor or selector switch can also cause this light, so proper diagnosis is always recommended.
Which part numbers does this module replace?
This module is a direct replacement for a wide range of part numbers, including: 24261367, 12588096, 24239190, 24240487, 24241143, 24241970, 24242480, 24243084, 24243085, 24249095, and 24252878.