Restore Smooth, Reliable Shifting to Your Family’s Minivan
Is your 2006-2009 Chevrolet Uplander suffering from frustrating and unpredictable transmission issues? Jerky shifting, getting stuck in gear, or a lit check engine light can turn your reliable family vehicle into a source of constant worry. A failing Transmission Control Module (TCM) is often the culprit, but the solution is simpler and more affordable than a trip to the dealership. This T42 Uplander transmission control module arrives pre-programmed to your vehicle’s specific VIN, offering a direct, plug-and-play fix that restores the smooth, dependable performance you need.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, a faulty TCM is the likely cause. This pre-programmed module is engineered to be the definitive solution, resolving these problems without any further programming.
- Harsh, erratic, or delayed gear shifts
- Vehicle stuck in “limp mode” (usually 2nd or 3rd gear)
- Check Engine Light or Transmission Warning Light is on
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related codes
- Failure to upshift or downshift properly
- Poor fuel economy and a feeling of sluggishness
Features & Tangible Benefits
- ✔ Plug & Play Installation: This module is professionally programmed to your Uplander’s VIN. This critical step ensures it communicates perfectly with your vehicle’s systems right out of the box, eliminating the need for expensive dealership programming.
- ✔ Restored Drivability: By precisely managing shift points, torque converter lockup, and line pressure, this module restores the smooth and responsive feel your minivan had from the factory.
- ✔ Lasting Reliability: Built to meet or exceed strict OEM quality standards, this T42 Uplander transmission control module is designed for durability, giving you confidence on every family trip.
- ✔ Cost-Effective Repair: Avoid the high costs and wait times associated with dealership repairs. This is a straightforward fix that a competent DIYer or any trusted mechanic can perform quickly.
- ✔ Peace of Mind Guarantee: This unit is backed by our one-year replacement warranty.
From the Technician’s Bench
Over my 20 years in diagnostics, I’ve seen countless family vans like the Uplander come in with what owners fear is a catastrophic transmission failure. More often than not, the root cause is purely electronic—the TCM. The beauty of a pre-programmed module is its simplicity. It’s one of the most satisfying repairs because it takes a complex, stressful problem and provides a fast, effective solution. You’re not just replacing a part; you’re restoring the vehicle’s reliability and giving a family their essential daily driver back without breaking the bank.
By replacing your failing part with this quality T42 Uplander transmission control module, you are making a smart investment in your vehicle’s longevity and your family’s safety. Get back on the road with confidence and enjoy a smooth-shifting transmission once again.
Frequently Asked Questions
Do I need to get this module programmed by a dealer?
No. This module is delivered to you pre-programmed using your vehicle’s VIN. It is ready for installation right out of the box, saving you time and the extra expense of a dealership visit.
Where is the TCM located on my 2006-2009 Uplander?
On the Chevrolet Uplander and similar GM minivans (Montana, Terraza), the Transmission Control Module is typically located on the driver’s side of the engine compartment, mounted to the LH strut tower.
Will this fix a P0700 trouble code?
A P0700 code is a general fault code indicating that the TCM has detected a problem and has requested the check engine light be turned on. While this module often resolves the underlying issue causing the P0700, it’s always best to have the vehicle scanned for any other specific transmission codes (e.g., P0751, P0756) to confirm the diagnosis.
Is a core charge required for my old part?
No, there is no core charge for this part. You can keep your old module without the hassle of shipping it back.
How difficult is the installation?
For someone with basic mechanical skills, the installation is straightforward and typically takes under 30 minutes. It involves disconnecting the battery, unplugging the electrical connectors, unbolting the old module, and then installing the new one in reverse order.