Stop Frustrating Shifting Problems in Your Saturn ION
Are you dealing with harsh, erratic shifting, a check engine light that won’t go away, or your car being stuck in ‘limp mode’? These are classic signs of a failing Transmission Control Module (TCM). Don’t let a faulty computer sideline your vehicle. This fully programmed T42 TCM is the definitive, plug-and-play solution to restore the smooth, reliable performance your 2006-2007 Saturn ION was built for, getting you back on the road without an expensive trip to the dealership.
Common Symptoms & Your Solution
A failing TCM can cause a cascade of confusing and concerning issues. If you’re experiencing any of the following, this module is the component you need. We see these symptoms every day, and this part is the proven fix for the 2006-2007 Saturn ION Transmission Control Module and many other GM vehicles.
- Harsh, banging, or delayed gear shifts
- The vehicle feels stuck in one gear (often 2nd or 3rd)
- Illuminated Check Engine Light or Transmission Warning Light
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, P0753, P0758, or other solenoid-related codes
- Failure to upshift or downshift correctly
- A sudden drop in fuel economy
Features & Benefits
- โ 100% Plug-and-Play: This module arrives pre-programmed to your vehicle’s specific VIN. There is no need for additional, costly programming at a dealership. Just install it and go.
- โ Restores Original Performance: Loaded with the latest GM software updates, this TCM ensures your transmission operates with optimal shift points, torque converter lockup, and fuel efficiency.
- โ Solves Common DTCs: Specifically designed to resolve persistent transmission codes that point to a faulty module, clearing your dashboard of warning lights.
- โ Built to Last: Constructed to meet or exceed original equipment standards, ensuring long-term reliability for your daily commute. The 2006-2007 Saturn ION Transmission Control Module is a critical component, and ours is built for durability.
- โ No Core Charge: Keep your old part. We don’t require a core return, saving you the time, money, and hassle of shipping your old module back.
- โ One-Year Protection: This unit is backed by our one-year replacement warranty, giving you confidence in your repair.
From the Mechanic’s Bench: As a technician, I’ve seen countless drivers chase transmission problems by replacing solenoids and sensors, only to find the root cause was the TCM all along. The T42 module’s internal electronics can degrade over time from heat and vibration. A used module from a salvage yard is a gambleโit might have the same issue or require expensive programming. This VIN-programmed unit eliminates the guesswork. It’s the same reliable fix we’d perform in our own shop, ensuring the repair is done right the first time.
By replacing your failing computer with our precisely configured 2006-2007 Saturn ION Transmission Control Module, you are not just swapping a part; you are restoring the brain of your transmission. Installation is straightforward, typically located behind the left-hand strut tower on the ION, making it an accessible job for a competent DIYer or any professional mechanic.
Frequently Asked Questions
Do I need to get this programmed by a dealer?
No. This module comes fully pre-programmed to your vehicle’s VIN. It is ready for installation right out of the box, saving you hundreds of dollars in dealership programming fees.
Where is the TCM located on my 2006-2007 Saturn ION?
On the Saturn ION, the Transmission Control Module is typically found in the engine compartment, located behind the driver’s side (LH) strut tower.
Is this a difficult part to install myself?
For someone with basic mechanical skills, the installation is straightforward and usually takes less than 30 minutes. The key steps are to disconnect the vehicle’s battery, unplug the electrical connectors from the old TCM, unbolt it, and then install the new one in the reverse order. Reconnect the battery last.
Will this fix my P0700 trouble code?
A P0700 code is a general code indicating the TCM has detected a fault. While this module often resolves the root cause, it’s crucial to diagnose any other codes that are present. If the other codes are related to module communication or internal processor faults, this part is the correct solution.
Do I need to send my old part back?
No, there is absolutely no core charge or need to return your old module. This simplifies the process for you and gets your car back on the road faster.