2007-2009 Aura TCM 24243921 | VIN Programmed Transmission Control Module

Restore Your Saturn’s Smooth Shifting

Tired of erratic gear changes and warning lights in your Saturn Aura? This OEM-quality T42 Transmission Control Module (TCM) is the solution. It comes pre-programmed to your car’s VIN, eliminating the need for expensive dealership visits. It’s a direct-fit, plug-and-play fix for common transmission problems. Order today for a reliable, straightforward repair!

$79.95

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 591-07270-662 Categories: ,
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End Frustrating Shifting Problems in Your Saturn Aura

If you’re dealing with a 2007-2009 Saturn Aura that’s suffering from harsh shifting, getting stuck in gear, or throwing transmission-related check engine lights, you’ve come to the right place. As a technician with over two decades of experience, I’ve seen countless GM vehicles sidelined by a faulty Transmission Control Module (TCM). The TCM is the brain of your automatic transmission, and when it fails, it can cause a cascade of confusing and costly problems. This T42 series TCM, part number 24243921, is the definitive, hassle-free solution to restore your vehicle’s performance and peace of mind.

From the Diagnostic Bay: The Solenoid Trap

A customer once brought in a 2008 Saturn Aura with classic symptoms: delayed engagement into drive and a P0752 code for ‘Shift Solenoid A Stuck On’. They had already spent a few hundred dollars replacing the solenoid pack inside the transmission, but the problem persisted. After a quick data scan, I saw the TCM was commanding the solenoid on, but the feedback was erratic. The root cause wasn’t the new solenoid; it was the failing driver circuit inside the original TCM. We installed one of our pre-programmed modules, and the car shifted perfectly. This highlights a critical point: a solenoid code doesn’t always mean a bad solenoid. Often, it’s the TCM that’s the real culprit, and starting with this part can save you time, money, and unnecessary transmission work.

Why Choose a VIN-Programmed 2007-2009 Aura TCM?

The single biggest hurdle in replacing a modern electronic module is programming. Typically, this requires a trip to the dealership, expensive scan tools, and a subscription to the manufacturer’s software. Our process eliminates that completely. We flash this module with the latest GM software updates and program it directly to your vehicle’s VIN before it ships. The result is a true plug-and-play part. You’re not just buying a component; you’re buying a complete, ready-to-install solution that ensures your Aura’s transmission operates exactly as the factory intended.

Is Your Saturn Aura Showing These Telltale Signs?

  • ✔ Abrupt, jerky, or unpredictable gear shifts.
  • ✔ The vehicle feels like it’s stuck in one gear (often called “limp mode”).
  • ✔ Illumination of the Check Engine Light or Transmission Warning Light.
  • ✔ Diagnostic Trouble Codes (DTCs) stored, especially P0700 (Transmission Control System Malfunction) or various solenoid codes (e.g., P0750-P0774).
  • ✔ Hesitation or a long delay when shifting from Park to Drive or Reverse.
  • ✔ Poor fuel economy and a feeling of sluggish performance.

A Straightforward Guide to Installation

For the 2007-2009 Saturn Aura, this job is well within reach for a DIY mechanic. The module is located on the front of the left-hand frame rail. Expect to complete the replacement in under 30 minutes.

  1. Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent electrical shorts and help reset the system.
  2. Locate the TCM: Find the module mounted to the LH front frame rail in the engine bay.
  3. Disconnect and Remove: Carefully unplug the electrical connectors. Note the locking tabs to avoid damage. Then, unbolt the module from its mounting bracket.
  4. Install the New Module: Bolt the new, pre-programmed TCM into place and securely reconnect the electrical harnesses.
  5. Final Steps: Reconnect the battery terminal. While the module is plug-and-play, it’s always best practice to use a basic OBD2 scanner to clear any old fault codes from the vehicle’s memory. Start the car and enjoy smooth shifting!

Verified Vehicle Compatibility

This module is a direct replacement for part number 24243921 and other interchangeable service numbers. While this page focuses on the 2007-2009 Aura TCM, it also fits a wide range of GM vehicles. Please verify your part number or contact us with your VIN to ensure perfect fitment for models including:

  • Saturn Aura (2007-2009) – Located on LH front frame rail
  • Chevrolet Cobalt / Pontiac G5 / G6 (2006-2010) – Located on LH strut tower
  • Chevrolet Impala / Monte Carlo (2006-2011) – Located in lower air cleaner housing
  • Chevrolet HHR (2006-2011) – Located in LH engine compartment
  • Saturn Vue (2007-2010) – Located in LH front engine compartment
  • And many other GM cars, trucks, and SUVs from 2006-2014.

Do I need to do any programming after installation?

Do I need to do any programming after installation?

No. This Transmission Control Module is delivered to you fully programmed to your vehicle’s specific VIN. It is ready for installation right out of the box, with no need for a trip to the dealer or special tools.

Is this part difficult to install on my Saturn Aura?

Not at all. For the Aura, the TCM is located on the front left frame rail, making it accessible. With basic hand tools, the replacement should take less than 30 minutes, making it a great DIY project.

Will this fix a P0700 check engine light code?

A P0700 code indicates a general fault within the transmission control system. In many cases, a failing TCM is the root cause. Replacing your faulty module with this pre-programmed unit is a very common and effective fix for this code and related transmission performance issues.

Is there a core charge for my old part?

No, we do not require you to send your old module back. There is no core charge, which simplifies the process for you.

Genuine OEM

Yes

Brand

GM

MPN

24243921

Condition

Refurbished

Year

2007 – 2009

Model

AURA

Hardware Type

Interchange part number

Manufacturer Part Number

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