Is Your 2006-2011 Impala Shifting Erratically?
If you’re experiencing harsh shifting, delayed gear engagement, or your Chevrolet Impala 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 smooth gear changes and ensuring optimal performance. 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 factory performance and drivability.
From the Diagnostic Bay
We had a 2009 Impala come into the shop with a classic complaint: ‘It bangs into gear and the check engine light is on.’ The customer had already replaced two shift solenoids based on a generic code reader’s output, with no improvement. After hooking up our professional scan tool, we saw the tell-tale signs of an internal TCM fault—intermittent communication drops and erratic solenoid command signals. The transmission itself was mechanically sound. We installed one of our VIN-programmed T42 modules. After a 15-minute install and clearing the codes, the car shifted like it just rolled off the assembly line. This case highlights how correctly diagnosing a faulty TCM can save hundreds of dollars in unnecessary parts and labor.
Common Symptoms of a Failing Impala TCM
- âś” Harsh Shifting & Slipping: Your car may slam into gear, hesitate between shifts, or feel like the transmission is slipping.
- âś” Warning Lights: The Check Engine Light or a dedicated transmission warning light will illuminate on your dash. Common diagnostic trouble codes (DTCs) include P0700, P0750, P0755, and other solenoid-related faults.
- âś” Stuck in Gear: The vehicle may enter a fail-safe or ‘limp’ mode, locking it in a single gear (usually 2nd or 3rd) to prevent further damage.
- âś” No Upshift or Downshift: The transmission refuses to shift into higher or lower gears as you accelerate or decelerate.
- âś” Poor Fuel Economy: Inefficient shifting and torque converter lock-up issues caused by a bad TCM can lead to a noticeable drop in MPG.
- âś” Complete Transmission Failure: In severe cases, a faulty TCM can lead to a vehicle that won’t move at all.
Why Choose Our 2006-2011 Impala Transmission Control Module?
This isn’t just a replacement part; it’s a complete, ready-to-install solution. The biggest hurdle in replacing a modern TCM is the need for expensive dealership programming. We eliminate that step entirely. By providing us with your vehicle’s VIN during checkout, we program the module with the latest GM software specific to your Impala. This ensures perfect communication between the engine and transmission, optimal shift points, and correct torque converter operation from the moment you install it.
Built to strict OEM standards, this 2006-2011 Impala Transmission Control Module ensures reliability and longevity. It directly replaces a wide range of original part numbers, including 24239926, 24252114, 24234503, and more, making it a versatile and dependable choice for your repair.
Simple, Plug-and-Play Installation
For the 2006-2011 Chevrolet Impala, the TCM is conveniently located in the engine bay, typically attached to the lower air cleaner housing. The replacement process is straightforward for a DIY mechanic or any professional technician.
- Safety First: Disconnect the negative battery terminal to prevent electrical shorts and help reset the vehicle’s computer systems.
- Locate the Module: Find the TCM under the air cleaner box.
- Disconnect & Remove: Carefully unplug the electrical connectors and unbolt the old module from its mounting bracket.
- Install the New Module: Bolt the new, pre-programmed TCM in place and securely reconnect the wiring harnesses.
- Final Steps: Reconnect the battery. While the module is plug-and-play, it’s always best practice to use a scan tool to clear any stored DTCs from the system.
With no core charge, you can complete the job without the hassle of returning your old part. Get your Impala back on the road and shifting perfectly with this reliable, pre-programmed 2006-2011 Impala Transmission Control Module.
Frequently Asked Questions
Do I need to take my car to the dealer for programming?
No. This module comes pre-programmed to your vehicle’s specific VIN. It is a true plug-and-play solution, saving you the time and expense of a dealership visit.
Where is the TCM located on my 2006-2011 Impala?
On this specific model range, the Transmission Control Module is typically found in the engine compartment, mounted to the lower air cleaner housing.
Will this part fix a P0700 trouble code?
A P0700 code is a general fault code indicating the TCM has detected a problem. While this module often resolves the root cause that triggers a P0700, it’s essential to diagnose any other specific codes that accompany it. In many cases, a failing TCM is the primary issue.
Is there a core charge for my old part?
No, there is no core charge. You are not required to send your old, faulty module back to us, which simplifies the repair process for you.
What is the warranty on this TCM?
This part is backed by a one-year warranty, giving you peace of mind and confidence in your purchase.