24256671 | Genuine GM® 6-Speed Transmission Control Module T14A, A40 for Silverado and Sierra

SKU: 24256671 MPN: 24256671

Feel the precision of every gear in your Chevrolet Silverado or GMC Sierra (2006–2008) with the Genuine GM 6-Speed Transmission Control Module. Part number: 24256671. Ensuring smooth electronic coordination.

$1,039.00
No Core Charge
3 in stock

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Product Description

Product Name 6-Speed Transmission Control Module Product Name 6-Speed Transmission Control Module
Condition Remanufactured Condition Remanufactured
Brand GM® Brand GM®
Part Number 24256671 Part Number 24256671
Vehicle Compatibility
Chevrolet Silverado (2006-2008) Chevrolet Silverado (2006-2008)
GMC Sierra (2006-2008) GMC Sierra (2006-2008)
Engine Compatibility
Engine 8 Cyl 6.0L Engine 8 Cyl 6.0L
Engine 8 Cyl 6.6L Engine 8 Cyl 6.6L
Engine 8 Cyl 8.1L Engine 8 Cyl 8.1L
Module Compatibility
Model T14A, A40 Model T14A, A40
Common Diagnostic Trouble Codes
U0101 Lost communication with TCM U0101 Lost communication with TCM
U0100 Lost communication with ECM/PCM U0100 Lost communication with ECM/PCM
P2669 Computer circuit malfunction P2669 Computer circuit malfunction
P0700 Transmission Control System fault P0700 Transmission Control System fault
TCM not powering on Possible internal failure TCM not powering on Possible internal failure

Useful Information

Description and Purpose:

The 6-Speed Transmission Control Module for 8-cylinder Chevrolet Silverado and GMC Sierra (2006–2008) is a remanufactured genuine GM part carrying Part number: 24256671. It regulates automatic transmission shifts, optimizing engine and gearbox performance to maintain smooth and reliable operation under heavy-duty conditions.

Why Replacement is Important:

A malfunctioning TCM can cause erratic or delayed shifting, risking transmission damage. Replacing it restores proper control and stability.

Impact on Vehicle Performance:

Ensures smooth gear engagement, better acceleration, and consistent drivability.

Manufacturer Information:

General Motors® creates dependable automotive parts designed to maintain efficiency, safety, and long-term reliability.

Tags & Category: Transmission Control Module, TCM, 6-Speed TCM, GM Transmission ECU, Chevrolet Silverado TCM, GMC Sierra TCM, 6.0L 6.6L 8.1L Engines, Automatic Transmission Control, OEM GM Transmission, Engine Management Module, 6-Speed Automatic, 8 Cylinder GM Trucks, Vehicle Control Module

Warranty:

Parts Finder Q offers a 365-days warranty for all types of parts in any condition. The warranty applies exclusively to purchases made directly through our website (partsfinderq.com). Please note that purchases made through third-party platforms like eBay or Amazon are not covered by this warranty.

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  • Icon Truck, Fast Delivery
    Free shipping over $199 Place an order today and receive it on Mar 6
  • Clock Icon
    Orders placed before 7-PM EST will ship same business day
  • Location icon, warehouse pickup point.
    Pickup available usually ready in 24 hours
  • Need it fast? We offer overnight shipping

    Contact us to check if overnight next-day delivery is available for your order - PN: 24256671