Programmed 2006-2011 HHR TCM | T42 Transmission Control Module | Plug & Play

Programmed 2006-2011 HHR TCM | T42 Transmission Control Module | Plug & Play
One Year Warranty

Restore Smooth, Reliable Shifting to Your Chevy HHR

Experiencing harsh shifts, a persistent check engine light, or is your 2006-2011 Chevy HHR stuck in limp mode? A failing Transmission Control Module (TCM) is often the culprit, turning your daily drive into a source of stress and uncertainty. This pre-programmed T42 TCM is the direct-fit solution designed to restore your HHR’s smooth, factory-new performance and get you back on the road with confidence.

Common Symptoms & Your Solution

If your HHR is exhibiting any of the following signs, a faulty TCM is the likely cause. This module is engineered to be the definitive fix for these frustrating and potentially damaging issues:

  • Harsh or Erratic Shifting: Abrupt, jerky gear changes or delayed engagement from park to drive.
  • Stuck in Gear / Limp Mode: The transmission refuses to shift, often locking itself in 2nd or 3rd gear for protection.
  • Warning Lights: A constant Check Engine Light or Transmission Warning Light on your dash.
  • Diagnostic Trouble Codes (DTCs): Common codes include P0700 (Transmission Control System Malfunction), P0750-series solenoid codes, and other transmission-related faults.
  • Poor Performance & Fuel Economy: A noticeable drop in gas mileage and sluggish acceleration.

Features & Benefits of Our Pre-Programmed TCM

  • ✔ 100% Plug-and-Play Installation: This module arrives pre-programmed to your vehicle’s specific VIN. There is no need for an expensive trip to the dealership for programming—simply install it, and you’re ready to go.
  • ✔ Restores Factory Performance: By precisely managing shift points, torque converter lockup, and line pressure, this TCM eliminates jerky shifting and restores the smooth operation you expect from your HHR.
  • ✔ Built for Durability: Constructed to meet and exceed strict OEM quality standards, ensuring reliable, long-lasting performance for your daily driver. This is the quality solution for your 2006-2011 HHR TCM needs.
  • ✔ Solves Common DTCs: Engineered to resolve persistent transmission error codes, helping you clear that check engine light and pass inspections.
  • ✔ Guaranteed Performance: This unit is backed by our one-year replacement warranty.

Expert Insight: The Critical Role of VIN Programming

As a technician with over two decades of experience, I can’t overstate the importance of proper VIN programming. A generic, non-programmed module from a big box store or salvage yard simply won’t work correctly. Your HHR’s computer network relies on the TCM having the exact software and calibrations for its specific powertrain and options. Our process ensures the module you receive is a perfect digital match for your car, eliminating the guesswork and communication errors that plague generic parts. This is the key to a successful, one-time repair.

Don’t let a faulty transmission module dictate your driving experience. By choosing our precisely programmed 2006-2011 HHR TCM, you’re not just buying a part; you’re investing in a reliable, long-term solution that restores your vehicle’s drivability and your peace of mind. Installation is straightforward for a DIYer or any professional mechanic. Take control of your repair and get your Chevrolet HHR shifting perfectly again. This is the definitive fix for your 2006-2011 HHR TCM problems.

Frequently Asked Questions

Is this part difficult to install on my HHR?

No, installation is quite straightforward. The TCM on a 2006-2011 HHR is located in the engine compartment on the driver’s side (LH engine compartment). It typically takes less than 30 minutes with basic hand tools. Always disconnect the battery before starting the repair.

Do I absolutely need to program this module?

You don’t have to worry about it! We handle all the programming for you before we ship. This module is programmed to your vehicle’s VIN, making it a true plug-and-play part. You cannot use a module from another vehicle without proper programming.

Will this fix a 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 that triggers a P0700, you should always scan for more specific codes (like P0751, P0756, etc.) to confirm the diagnosis. In many cases, a failing TCM is the primary culprit.

What is the difference between a TCM and a PCM?

The TCM (Transmission Control Module) specifically controls the automatic transmission’s functions. The PCM (Powertrain Control Module) is the main computer that controls both the engine and, in some older vehicles, the transmission. In your HHR, these are separate units, and this part specifically addresses transmission-related issues.

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, saving you time and money.

Product Details

Category: GM

eBay Item ID:

To program your module, we require your full 17-digit VIN. Please enter it in the payment notes and save to ensure we receive it. Orders without a VIN within our 2-business-day handling period may be canceled, as programming cannot proceed without it.

Shipping

  • Processing Time:
    Reliably shipped within 2-3 business days.

Warranty

Enjoy peace of mind with a one-year replacement warranty on this part, effective from the date you receive it. Labor costs are not covered.

If the part fails within the warranty period, we’ll replace it with a comparable unit or refund your purchase price, ensuring a hassle-free experience.

Return Address:

Highway71autoparts

9131 Highway 71 NE
Spicer, MN, 56288