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24256861 - 2012 Chevrolet Silverado 6.6L TCU TCM Transmission Control Module GM-T14 Programmed

24256861 - 2012 Chevrolet Silverado 6.6L TCU TCM Transmission Control Module GM-T14
$879.99$2,499.9965% Off
Refundable Core Charge (Exchange): 
Exact fit for:
Year:2012
Make:Chevrolet
Model:Silverado
Engine Size:6.6L
Transmission:Automatic
Part Number:24256861
Hardware Number:24256861
  • Plug & Play
  • VIN Programmed
  • Lifetime Warranty
Replacement OEM TCU TCM Transmission Control Module for a 2012 Chevrolet Silverado 6.6L with Part # 24256861. The generic number for this module is: 24256861
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.

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: 2012 Chevrolet Silverado Transmission Computers are also referred to as a Transmission Control Module (TCM) and Transmission Control Unit (TCU).
  • 2012 Chevrolet Silverado TCU
  • 2012 Chevrolet Silverado TCM
  • 2012 Chevrolet Silverado Transmission Control Module
  • 2012 Chevrolet Silverado Transmission Control Unit
  • 2012 Chevrolet Silverado 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.

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 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.

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