2006-2011 Impala TCM Transmission Control Module YNXS

Restore Smooth Shifting to Your Impala

Fix harsh shifting, limp mode, and check engine lights with our VIN-programmed T42 TCM for your 2006-2011 Chevrolet Impala. This module requires no dealer programming—just plug it in and drive. Order today for a reliable, hassle-free repair!

$79.95

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 591-07270-820 Categories: ,
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Is Your 2006-2011 Impala Shifting Erratically?

If your Chevrolet Impala is suffering from harsh shifts, delayed gear engagement, or is stuck in limp mode, a failing Transmission Control Module (TCM) is the most likely culprit. The TCM is the electronic brain of your automatic transmission, responsible for orchestrating every gear change and ensuring smooth, efficient operation. When it fails, it can cause a cascade of frustrating and potentially damaging issues, from poor fuel economy to a complete inability to shift gears. This VIN-programmed T42 TCM is the definitive solution to restore your vehicle’s transmission performance to factory standards.

From the Diagnostic Bay

We had a 2009 Impala come into the shop with the check engine light on and a complaint of violent 1-2 shifts. The owner had already spent money replacing a shift solenoid based on a generic code reader’s output, but the problem persisted. Our professional scan tool pointed to intermittent communication with the TCM. After a quick inspection of the wiring, we identified the original TCM as the source of the fault. Instead of a costly trip to the dealership for a new module and programming, we installed one of our pre-programmed T42 units. The installation, located under the air cleaner housing, took less than 20 minutes. After clearing the codes, the Impala shifted perfectly. It’s a classic case where pinpointing the electronic brain saves time and money over chasing mechanical symptoms.

Common Symptoms of a Failing Impala TCM

A faulty TCM can manifest in various ways. If you’re experiencing any of the following, it’s time to consider a replacement:

  • âś” Harsh or Erratic Shifting: Your car may slam into gear, hesitate, or shift at the wrong times.
  • âś” Stuck in Gear: The transmission may refuse to shift out of a certain gear, often referred to as “limp mode,” to prevent further damage.
  • âś” Warning Lights: The Check Engine Light or a dedicated transmission warning light will illuminate on your dashboard.
  • âś” Diagnostic Trouble Codes (DTCs): You’ll see codes like P0700 (Transmission Control System Malfunction) or specific solenoid codes (e.g., P0750, P0753, P0758).
  • âś” Delayed Engagement: A noticeable delay when shifting from Park to Drive or Reverse.
  • âś” Poor Fuel Economy: Inefficient shifting and torque converter lock-up issues caused by a bad module will lead to increased fuel consumption.

Why Choose Our Pre-Programmed 2006-2011 Impala TCM?

This isn’t just a replacement part; it’s a complete, ready-to-install solution. We eliminate the most frustrating part of a TCM replacement: the need for expensive dealership programming. By providing us with your vehicle’s VIN during checkout, we flash the module with the latest GM software specific to your Impala. This ensures perfect communication between the engine, transmission, and other vehicle systems right out of the box.

Key Benefits:

  • Plug & Play Installation: No dealership visit required. Simply install the module, connect the wiring, and you’re ready to drive.
  • OEM-Quality Performance: Built to meet or exceed original equipment specifications for durability and function, ensuring a long service life.
  • Problem Solved: Directly addresses common DTCs and performance issues related to a faulty TCM, restoring smooth and reliable shifting.
  • No Core Charge: Keep your old part without the hassle or expense of returning a core.

Simple Installation Process

For the 2006-2011 Chevrolet Impala, the TCM is conveniently located under the lower air cleaner housing in the engine compartment. The replacement process is straightforward for a DIY mechanic or any professional technician.

  1. Safety First: Disconnect the negative terminal from your vehicle’s battery.
  2. Access the Module: Remove the air cleaner box to gain access to the TCM.
  3. Swap the Part: Disconnect the electrical connectors and unbolt the old module. Bolt the new one in its place and reconnect the wiring harnesses.
  4. Final Steps: Reinstall the air cleaner box and reconnect the battery. It’s recommended to use a scan tool to clear any stored fault codes after installation.

This replacement 2006-2011 Impala TCM is also a direct fit for a wide range of other GM vehicles, including the Monte Carlo, Buick LaCrosse, Pontiac Grand Prix, and many more that utilize the T42 controller with a 4-speed automatic transmission. This part is interchangeable with service numbers 24252114, 24234503, 24230461, and YNXS, among others listed in the fitment guide.

Frequently Asked Questions

Do I need to have this TCM programmed by a dealership?

No. This module comes fully pre-programmed to your vehicle’s specific VIN. This makes it a true plug-and-play solution, saving you the time and expense of a trip to the dealer.

Will this fix a P0700 trouble code?

A P0700 code is a general fault code indicating that the TCM has detected a problem. While this module often resolves the root cause (like an internal short or failed driver that triggers other codes), you should use a full-featured scanner to read the specific transmission codes that are stored alongside the P0700 for a more complete diagnosis.

Where is the TCM located on my 2007 Impala?

On the 2006-2011 Impala, the Transmission Control Module is typically found bolted to the lower air cleaner housing in the engine bay. It’s a relatively accessible location for replacement.

Is any special relearn procedure required after installation?

No special relearn procedure is needed. After installation, the module will adapt to your driving style over the first 20-30 miles. Disconnecting the battery during the install and clearing any old codes with a scan tool is all that is required.

Is there a core charge for this part?

There is absolutely no core charge. You are not required to send your old, faulty module back to us, which simplifies the repair process for you.

Genuine OEM

Yes

Year
Brand

GM

MPN

ynxs

Condition

Refurbished

Year

2006 – 2011

Model

IMPALA

Hardware Type

Interchange part number

Manufacturer Part Number

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