Finally, A Real Fix for Your HHR’s Shifting Problems
Is your 2006-2011 Chevrolet HHR shifting harshly, getting stuck in gear, or throwing transmission-related check engine lights? These are frustrating and concerning issues that can make your daily driver feel unreliable. Stop worrying about a potential transmission failure and get back on the road with confidence. This professionally programmed T42 Transmission Control Module (TCM) is the definitive, plug-and-play solution designed to restore the smooth, predictable performance your vehicle had when it was new.
Common Symptoms & Your Solution
A failing TCM can mimic a major mechanical failure, but often, the fix is much simpler. If you’re experiencing any of the following, this module is your answer:
- Harsh or Erratic Shifting: Abrupt, jerky gear changes or delayed engagement from park to drive.
- Stuck in Limp Mode: The vehicle refuses to shift past 2nd or 3rd gear, severely limiting speed.
- Warning Lights: A persistent Check Engine Light or transmission warning light on your dash.
- Diagnostic Trouble Codes (DTCs): Specifically codes like P0700 (Transmission Control System Malfunction) or various solenoid-related codes (e.g., P0750, P0751, etc.).
- Poor Performance: A noticeable drop in fuel economy or a transmission that seems to be slipping or overheating.
This isn’t just a replacement part; it’s a complete solution. We pre-program each 2006-2011 Chevy HHR Transmission Control Module to your vehicle’s specific VIN, ensuring it works perfectly right out of the box without any expensive trips to the dealership for additional programming.
Features & Benefits
- âś” Plug & Play Installation: Arrives pre-programmed to your specific VIN. Simply install the module, and you’re ready to go—no additional programming required.
- âś” Solves Shifting Issues: Engineered to correct harsh shifting, gear hunting, and slipping, restoring your transmission’s smooth operation.
- âś” Eliminates Error Codes: Directly addresses the root cause of common transmission DTCs like P0700, clearing your dash of warning lights.
- âś” OEM-Standard Quality: Built to meet or exceed original equipment specifications for reliable, long-lasting performance.
- âś” Cost-Effective Repair: Save hundreds of dollars by avoiding dealership programming fees and diagnostic charges.
- âś” Warranty Protected: This unit is backed by our one-year replacement warranty.
Expert Insight: The Power of Proper Programming
Many people don’t realize that a generic, unprogrammed TCM from a parts store is just a starting point. Your HHR’s computer system is designed to communicate with a module that has the correct software and calibration for its specific setup. Our VIN-specific programming process loads the latest GM software updates onto the module. This not only ensures perfect communication but often corrects underlying drivability issues that were present even in the original factory software. By installing our pre-programmed 2006-2011 Chevy HHR Transmission Control Module, you’re not just replacing a failed part—you’re installing the most refined version of its operating system, leading to better performance and reliability.
Frequently Asked Questions
Do I need to program this module?
No. This is the biggest benefit of our product. We pre-program the module to your vehicle’s VIN before shipping it to you. This makes the installation a true plug-and-play process, saving you a trip to the dealership and costly programming fees.
What are the signs of a bad TCM in an HHR?
Common symptoms include harsh or delayed shifting, the vehicle being stuck in ‘limp mode’ (usually 2nd or 3rd gear), a lit check engine light with transmission codes (like P0700), and poor fuel economy. This 2006-2011 Chevy HHR Transmission Control Module is designed to fix these exact issues.
Where is the TCM located on a 2006-2011 Chevy HHR?
On the Chevrolet HHR models from 2006 to 2011, the Transmission Control Module is typically located in the engine compartment on the driver’s side, often near the strut tower or under the air cleaner box.
Will this fix a P0700 trouble code?
Yes. The P0700 code is a general fault code indicating the TCM has detected a problem. Replacing a faulty TCM with this pre-programmed unit is a very common and effective way to resolve a P0700 code and the underlying specific codes it is reporting.
What is the warranty on this part?
This unit is backed by our one-year replacement warranty, giving you confidence in your repair.
Is a core charge required?
No, there is no core charge for this part. You can keep your old module without the hassle of returning it.