Restore Peak Performance to Your Pontiac Pursuit
Is your 2006 Pontiac Pursuit giving you headaches with a stubborn check engine light, unpredictable stalling, or a frustrating no-start condition? These aren’t just annoyances; they’re classic signs that the vehicle’s central computer, the Engine Control Module (ECM), is failing. As a technician with over two decades of experience under the hood, I’ve seen how a faulty ECM can turn a reliable car into a source of constant worry. This isn’t just a part—it’s the solution to getting your car back to running smoothly and reliably.
This isn’t just any replacement part. We take the hassle and high cost out of the equation by pre-programming this ECM specifically for your vehicle. Simply provide your VIN at checkout, and our experts will flash the module with the latest, most stable GM software for your exact car. This means no expensive trips to the dealership for programming. You get a part that’s ready to install right out of the box, restoring the precise fuel delivery, ignition timing, and emissions control your engine was designed for.
Case Study: A Tricky Diagnosis
A customer brought in a 2006 Pontiac G6 (which uses this exact same ECM) with an issue that had other shops stumped. It had an intermittent no-start and would occasionally lose communication with the scan tool, throwing a U0100 code (Lost Communication With ECM/PCM). We checked the wiring and power/ground circuits to the ECM, and they were perfect. The issue was internal to the module; heat cycles had caused micro-fractures on the main processor board. Swapping in a pre-programmed ECM like this one resolved all the issues instantly. It’s a textbook example of how a failing computer can create phantom electrical problems.
Is Your Pursuit Showing These Telltale ECM Failure Signs?
If you’re experiencing any of the following, a failing ECM is the likely culprit. Replacing your old module with this quality part can resolve these common issues:
- ✔ Persistent Check Engine Light with codes like P0601, P0602, or P0606 (Internal Control Module Errors).
- ✔ Unexplained drops in fuel economy.
- ✔ Engine stalling or hesitating during acceleration.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Complete no-start condition where the engine cranks but won’t fire.
- ✔ Loss of communication with diagnostic scan tools.
Your Straightforward ECM Installation Guide
For the handy DIYer, swapping the ECM on a 2006 Pursuit is a manageable job. The ECM is typically located in the left-hand (driver’s side) front of the engine compartment. Follow these general steps for a successful installation:
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait 10-15 minutes for the system capacitors to discharge.
- Locate the Module: Find the existing ECM in the LH front engine compartment. It will have several large electrical connectors attached to it.
- Disconnect and Remove: Carefully release the locking tabs on each electrical connector and pull them straight out. Do not force them. Then, unbolt the mounting hardware holding the module in place and remove the old unit.
- Install the New ECM: Mount the new module securely in the same location. Reconnect the electrical harnesses, ensuring they click firmly into place.
- Final Steps: Reconnect the negative battery terminal. In some cases, a security relearn procedure may be necessary, which can often be done without special tools (consult your owner’s manual or a quick online search for your specific model’s procedure). Start the vehicle and let it idle for a few minutes to confirm the repair.
Verified Compatibility for Your Vehicle
This ECM is a direct replacement for part number 19210737 and is interchangeable with service numbers 12590032, 12602044, 12603530, 12605843, 12607096, and 12630457. It is guaranteed to fit the following models, among many others:
COBALT 06 Electronic Control Module; (LH front engine compartment), 2.4L (VIN B, 8th digit, 4-146)
HHR 06 Electronic Control Module; (LH rear engine compartment), 2.4L
ION 06 Electronic Control Module; 2.4L (opt LE5)
SOLSTICE 06 Electronic Control Module; (LH front frame rail)
ALLURE 08-09 Electronic Control Module; (lower air cleaner housing), 5.3L
LACROSSE 08-09 Electronic Control Module; (lower air cleaner housing), 5.3L
IMPALA 06 Electronic Control Module; (lower part of air cleaner box), 3.5L
IMPALA 06 Electronic Control Module; (lower part of air cleaner box), 3.9L
IMPALA 08-09 Electronic Control Module; (lower part of air cleaner box), 5.3L
MONTE CARLO 06 Electronic Control Module; (lower part of air cleaner box), 3.5L
MONTE CARLO 06 Electronic Control Module; (lower part of air cleaner box), 3.9L
… and many more models listed in the original data.
What does ‘programmed to my VIN’ actually mean?
What does ‘programmed to my VIN’ actually mean?
It means we load the module with the specific software from GM that matches your car’s Vehicle Identification Number (VIN). This ensures the ECM works perfectly with your engine, transmission, and options like anti-theft systems, making it a true plug-and-play solution without needing a dealer visit.
Do I need to do any additional programming after installation?
No, the core engine and transmission programming is complete. On some GM vehicles, you may need to perform a simple security relearn procedure (often called a Passlock or Passkey relearn) which allows the ECM to recognize your key. This procedure typically takes about 30 minutes and does not require any special tools.
Where is the ECM located on my 2006 Pontiac Pursuit?
On the 2006 Pontiac Pursuit with the 2.4L engine, the Engine Control Module is located in the front left (driver’s side) of the engine compartment. It’s a silver metal box with multiple large wiring harnesses connected to it.
What information do you need from me?
After you complete your purchase, you will need to provide us with your vehicle’s 17-digit VIN. We cannot ship your order until we receive this information, as it is essential for the programming service.