Is your Chevrolet HHR SS, Cobalt SS, Pontiac Solstice GXP, or Saturn Sky Red Line running poorly, stalling, or refusing to start? These frustrating and often intermittent issues can frequently be traced back to a failing Engine Control Module (ECM). The ECM is the central computer of your vehicle’s powertrain, responsible for managing everything from fuel injection and ignition timing to turbocharger boost and emissions control. When it begins to fail, it can cause a cascade of problems that are difficult to diagnose. Restore your vehicle’s performance and reliability with this direct-fit replacement ECM, part number 12614967.
This isn’t just a part in a box; it’s a complete solution. We pre-program this module specifically to your vehicle’s Vehicle Identification Number (VIN) before it ships. This critical step ensures that the ECM has the correct software and calibrations for your car’s specific options and systems, eliminating the need for an expensive trip to the dealership for programming. It’s designed to be a straightforward installation, getting you back on the road with confidence.
From the Diagnostic Bay
We had a 2009 Cobalt SS come into the shop with a complaint that would drive any owner crazy. It would run perfectly for days, then suddenly start misfiring, lose all boost, and throw a half-dozen random error codes. The owner had already replaced the spark plugs, ignition coils, and even a MAP sensor trying to chase the problem. After hours of diagnostics, we noticed that the 5-volt reference signal from the ECM would intermittently drop. A faulty processor inside the original engine computer was causing the voltage to fluctuate, wreaking havoc on the sensor readings. We installed one of these pre-programmed ECMs, performed the security relearn, and the car ran perfectly. It’s a classic example of how a single failing component can mimic a multitude of other problems, and why a reliable 2008-2010 HHR ECM is so critical.
Common Symptoms of a Failing 2.0L Turbo ECM
- ✔ Check Engine Light (CEL) is on with various communication or sensor codes.
- ✔ Vehicle experiences intermittent stalling or will not start at all.
- ✔ Noticeable decrease in engine performance, power, and fuel economy.
- ✔ Rough or erratic idling and hesitation during acceleration.
- ✔ Automatic transmission shifting issues or harsh engagement.
- ✔ Seemingly unrelated electrical problems or warning lights on the dash.
- ✔ Failure to communicate with a diagnostic scan tool.
Why Choose Our Pre-Programmed 2008-2010 HHR ECM?
Getting your performance vehicle back to factory specifications is our priority. This module is a direct replacement for original part numbers 12614967 and 12623326, ensuring perfect compatibility. The key benefit is our professional programming service. By providing your VIN during checkout, you receive a unit that is loaded with the latest GM-certified software for your exact vehicle. This process ensures all systems communicate correctly from the moment of installation, saving you time, money, and the headache of arranging for third-party programming.
This ECM is the correct fit for the following vehicles equipped with the 2.0L Turbocharged (LNF) engine:
- 2008-2010 Chevrolet HHR (SS Models)
- 2008-2010 Chevrolet Cobalt (SS Models, VIN X)
- 2008-2010 Pontiac Solstice (GXP Models)
- 2008-2010 Saturn Sky (Red Line Models)
After installation, you may need to perform a simple security relearn procedure (also known as a Passlock or anti-theft relearn), which can typically be done in your driveway without any special tools. This procedure syncs the new ECM with your vehicle’s anti-theft system. Instructions for this are widely available online or in service manuals.
Frequently Asked Questions
Do I need to have this ECM programmed by a dealer?
No. We handle all the programming for you before we ship the part. Simply provide us with your vehicle’s VIN at checkout, and the module will arrive ready for installation with the latest GM software for your car.
Is this part compatible with service number 12623326?
Yes, this ECM, part number 12614967, is a fully interchangeable and direct replacement for service number 12623326.
Where is the ECM located on my vehicle?
The location varies slightly by model. On the HHR, it’s in the LH rear of the engine compartment. On the Cobalt, it’s in the LH front of the engine compartment. For the Solstice and Sky, it is located on the LH front frame rail.
What is a security relearn procedure?
It’s a simple procedure that syncs the new ECM to your vehicle’s existing anti-theft system and keys. It typically involves a sequence of turning the key to the ‘ON’ and ‘OFF’ positions for set amounts of time. It does not require any special tools.
How do I know if my ECM is definitely the problem?
While the symptoms listed are strong indicators, a definitive diagnosis is best. This involves checking for consistent power and ground at the ECM connector and verifying that sensor signals are not being corrupted by the module itself. If you’re seeing multiple, unrelated error codes, it’s a very strong sign the ECM is at fault.