Is Your Chevy HHR Shifting Erratically?
If you’re dealing with harsh gear changes, a check engine light that won’t go away, or your HHR is stuck in limp mode, you’re likely facing a failing Transmission Control Module (TCM). These issues can make your daily drive stressful and unpredictable. This isn’t just an annoyance; it’s a critical failure that compromises your vehicle’s performance and reliability. Our pre-programmed T42 TCM is the definitive solution, designed to restore the smooth, precise shifting you expect from your vehicle without a costly trip to the dealership.
Common Symptoms & Your Solution
A faulty TCM can manifest in several ways. You might experience delayed engagement when shifting from park to drive, sudden, jarring shifts, or the transmission refusing to shift into higher gears, leading to poor fuel economy. Often, you’ll see diagnostic trouble codes (DTCs) like P0700, P0750, or other solenoid-related faults. This module is engineered to be the direct fix for these exact problems. As the central computer for your transmission, a functioning module is essential, and this is the most reliable way to solve those issues. For anyone needing a dependable 2006-2011 Chevy HHR transmission control module, this is the answer.
Features & Benefits
- ✔ VIN Programmed for Your HHR: This module arrives at your door pre-loaded with your vehicle’s specific VIN and the latest GM software updates. This ensures a perfect match for a true plug-and-play installation, eliminating the need for expensive dealership programming.
- ✔ Restores Smooth Performance: By precisely managing shift points, torque converter lockup, and line pressure, this TCM brings back the crisp, seamless shifting your transmission had from the factory.
- ✔ Eliminates Warning Lights: Specifically designed to resolve common transmission-related DTCs, this module will help you clear that persistent check engine light and restore communication between your vehicle’s computers.
- ✔ Built to OEM Specifications: Manufactured to meet or exceed original equipment standards for durability and function, ensuring long-lasting performance whether you use your HHR for commuting or hauling.
- ✔ Guaranteed Protection: This unit is backed by our one-year replacement warranty. Drive with confidence knowing your purchase is protected.
An Expert’s Note on Installation
“As a technician with over two decades of experience, I’ve seen countless drivers frustrated by transmission issues. The biggest hurdle with modules like these used to be the required post-installation programming. Our VIN programming service completely removes that obstacle. When you receive this 2006-2011 Chevy HHR transmission control module, the complex software work is already done. For the HHR, the module is typically located in the LH engine compartment, making it accessible. Just disconnect the battery, swap the part, reconnect, and clear any old codes with a basic scan tool. You’re saving hundreds in labor and programming fees and getting your car back on the road in under an hour.”
Don’t let a faulty TCM dictate how your vehicle drives. This is the most effective and straightforward path to resolving your transmission problems. By choosing the correct 2006-2011 Chevy HHR transmission control module, you’re not just buying a part; you’re investing in reliability and peace of mind for the road ahead.
Frequently Asked Questions
Do I need to have a dealership program this module?
No. This Transmission Control Module comes fully pre-programmed to your vehicle’s specific VIN. It is ready for installation right out of the box, saving you time and the expense of dealership programming services.
Is this part difficult to install on my HHR?
Installation is straightforward for someone with basic mechanical skills. On the 2006-2011 HHR, the TCM is located in the engine compartment on the driver’s side. The process involves disconnecting the battery, unplugging the electrical connectors, unbolting the old module, and installing the new one. The entire job typically takes less than 30 minutes.
What are the most common signs my HHR’s TCM is failing?
The most common symptoms include harsh or erratic shifting, the vehicle getting stuck in one gear (limp mode), a lit check engine or transmission warning light, and diagnostic codes such as P0700. You may also notice a decrease in fuel efficiency.
Will this module fit other GM vehicles?
Yes, this T42 TCM is compatible with a wide range of 2006-2014 General Motors vehicles equipped with 4-speed automatic transmissions like the 4L60E and 4L65E. While this listing is for the HHR, the part itself fits models like the Silverado, Tahoe, Impala, and many others. Always verify the part number or contact us to confirm fitment for your specific vehicle.
Is there a core charge for my old part?
No, there is no core charge required for this part. You can keep your old module without the hassle of returning it.