Replacement OEM TCU TCM Transmission Control Module for a 2011 GMC Sierra 6.6L. The generic number for this module is: 25978353, 24256861, 24257092
All modules are VIN programmed, flashed and updated with the latest dealer software to improve drivability and fuel mileage.
Complete Remanufactured unit & fully tested (Made in the USA)
Due to high demand processing time is 2-3 business days
Expedited shipping options available
Refundable core charge included with purchase
How This Works:
Simple. Your module will be VIN programmed specifically to your vehicle for a "Plug & Play" Hassle-Free Installation allowing you to avoid heavy dealer cost and fees. No further programming will be required.
Compatible Part Numbers for this Module:
25978353, 24256861, 24257092
Common Issues related to a faulty module:
- Inability To Shift Or Stuck In Gear
- Significantly Lower Gas Mileage
- Difficulty Downshifting When Your Vehicle Decelerates
- Difficulty Upshifting While Accelerating
- Gears Shifting Unexpectedly
- Gears Slipping
- Transmission Overheating
NOTE: 2011 GMC Sierra Transmission Computers are also referred to as a Transmission Control Module (TCM) and Transmission Control Unit (TCU).
- 2011 GMC Sierra TCU
- 2011 GMC Sierra TCM
- 2011 GMC Sierra Transmission Control Module
- 2011 GMC Sierra Transmission Control Unit
- 2011 GMC Sierra Transmission Computer
All Items undergo remanufacturing, vehicle specific programming and testing on a per order basis. Due to high demand processing time is 2-3 Full business days (Mon-Fri, excluding Holidays). Orders received after 2pm EST will begin processing the following business day. Parts are shipped in the order they are received with the shipping service selected during checkout. Tracking information will be sent via email at the time of shipment readiness.
We accept returns as long as the part is in its original condition. Returns must be mailed within 14 calendar days from original delivery. All approved returns will be initiated in the form of a refund to the original form of payment. There will be a 30% restocking fee to cover vehicle specific programming & testing and all shipping charges will be deducted. (Free shipping charges are a $18.99 each). Refund deposits take 4-6 business days. Full refund will be issued for cancellations prior to shipment only.
We offer a standard 1 Year warranty on all 2009 - 2015 GM 6.6L TCMs purchased through this site. Core needs to be returned to activate said warranty within 14 days whereas a return label will be provided. Failure to return the core if required will result in loss of warranty and core charge will not be refunded.
This warranty does not cover parts that fail due to abuse, misuse, neglect, alteration, impact, or accident. All Computer Resources, Inc. reserves the right to deny warranty coverage if the company deems that it is not responsible for damages. Please see our
tech talk bulletins for proper installation and diagnoses. Automotive modules can be damaged by various electrical faults during and after installation which will not be covered.
All units are fully tested for functionality prior to shipment.