12597125 Programmed GM ECM | VIN-Matched for a Perfect, Easy Installation

### 12597125 Programmed GM ECM \| VIN-Matched for a Perfect, Easy Installation   Are you tired of that nagging Check Engine Light? Frustrated by unpredictable stalling, rough idling, or a car that just won’t start? A failing Engine Control Module (ECM) can turn your reliable vehicle into a source of daily stress. It’s the brain of your engine, and when it falters, it can create a cascade of confusing and costly problems. It’s time to stop guessing and restore your vehicle’s performance and your peace of mind with our professionally programmed ECM, tailored specifically to your vehicle. This isn’t just a replacement part; it’s a complete solution. We take the guesswork and the expensive dealership visits out of the equation. Simply provide us with your vehicle’s VIN (Vehicle Identification Number) during checkout, and our expert technicians will flash this module with the latest, most stable software updates directly from GM. It arrives at your doorstep ready to install, allowing you to regain control and get back on the road with confidence. Say goodbye to intermittent issues and hello to the smooth, reliable drive you remember. #### An Expert’s Note: The Ghost in the Machine > “I remember a customer with a 2011 Malibu who was at his wit’s end. He’d replaced sensors and wiring, chasing an intermittent no-start condition that left him stranded twice. His scanner showed a dozen conflicting codes. We suspected the ECM, and once he installed our pre-programmed unit, the car fired up instantly and ran perfectly. He called back a week later just to say how relieved he was to finally trust his car again. Sometimes, the simplest solution is the right one, and a healthy ECM is the foundation of a reliable vehicle.” ### Warning Signs and How to Overcome Them If your vehicle is experiencing any of the following, a failing ECM could be the culprit. Replacing it with our pre-programmed unit can resolve these issues: - ✔ **Check Engine Light:** The light is on, often with communication error codes like U0100 or internal processor failure codes like P0601, P0606. - ✔ **Engine Performance Problems:** You may notice rough running, misfires, poor acceleration, or a sudden decrease in fuel economy. - ✔ **Starting Issues:** The engine cranks but refuses to start, or it starts and then immediately stalls for no apparent reason. - ✔ **Inconsistent Shifting:** Your automatic transmission may shift harshly, erratically, or get stuck in one gear (limp mode). - ✔ **Apparent Failure of Other Components:** The ECM can send false signals, making you think sensors or coils have failed when they haven’t. ### Guided Installation to Restore Your Ride Installing your new **Programmed GM ECM** is a straightforward process that most DIYers can handle with basic tools. Follow these steps for a successful repair: 1. **Safety First:** Always disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes to allow the system to fully discharge. 2. **Locate the Old ECM:** On most of these GM models, the ECM is found in the engine bay—often under the battery tray, on the firewall, or attached to the air cleaner box. 3. **Disconnect and Remove:** Carefully unplug the main wiring harnesses. They have locking tabs that need to be released. Once disconnected, unbolt the old module from its mounting bracket. 4. **Install the New Module:** Bolt your new, pre-programmed ECM into place. Reconnect the wiring harnesses, ensuring they click securely into position. 5. **Reconnect and Start:** Reattach the negative battery terminal. Turn the key to the ‘On’ position for 10 seconds before starting the engine to allow the systems to initialize. Start the vehicle and let it idle. 6. **Perform Relearn Procedure (If Necessary):** Some vehicles may require a Crankshaft Variation (CASE) relearn procedure to prevent a P1336 code. This can be done with a capable scan tool or by many local repair shops. ### Tailored Fit for Your GM Vehicle This module is a direct-fit replacement for multiple vehicles and part numbers. Please verify your service number (found on the original part’s sticker) is on this list: **12612397**, **DL216140**, **12594750**, **12597125**, **12629019**, **12635902**, **12611549**. It is compatible with the following models: - AURA 2008-2009 (2.4L) - COBALT 2007-2010 (2.2L, 2.4L) - EXPRESS 1500 VAN 2008-2009 (4.3L) - G5 2007-2010 - G6 2008-2010 (2.4L) - HHR 2007-2011 (2.2L, 2.4L) - IMPALA 2010-2011 - LUCERNE 2009-2011 (3.9L) - MALIBU 2007-2012 (2.2L, 2.4L, 3.5L) - SAVANA 1500 VAN 2008-2009 (4.3L) - SIERRA 1500 PICKUP 2007-2009 (4.3L) - SILVERADO 1500 PICKUP 2007-2009 (4.3L) - SKY 2008-2010 (2.4L) - SOLSTICE 2008-2010 (2.4L) - VUE 2008-2010 (2.4L) ### Frequently Asked Questions **Do I need to have this ECM programmed?** No, you don’t! That’s the primary benefit of our service. We program the module to your vehicle’s specific VIN before we ship it, so it’s ready for installation right out of the box. This saves you a trip to the dealership and expensive programming fees. **What information do you need from me?** After you complete your purchase, you will need to provide us with your 17-digit Vehicle Identification Number (VIN). This is critical for us to load the correct software and ensure perfect compatibility with your vehicle’s systems. **Where is the ECM located on my vehicle?** The location varies by model. Common locations for the vehicles this fits include the left-hand side of the engine compartment (often under the battery tray or near the firewall), or attached to the air cleaner box. A quick search for your specific year and model will confirm the exact location. **What is a CASE relearn and will I need to do one?** A CASE (Crankshaft Angle Sensor Error) relearn synchronizes the new ECM with the crankshaft position sensor. While many vehicles will start and run without it, completing this procedure is recommended to prevent a P1336 trouble code and ensure optimal engine timing. Many local repair shops can perform this service quickly if you don’t have a high-end scan tool. **Is this a guaranteed fix for my vehicle’s problems?** While this Programmed GM ECM resolves a wide range of common electronic and performance issues, it’s essential to have your vehicle properly diagnosed. This part will fix problems directly caused by a faulty ECM, but it will not fix underlying mechanical or wiring issues. 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**

• Country of Origin: United States
• Manufacturer Part Number: 12639669
• Manufacturer Warranty: 1 Year
• Superseded Part Number: 12594750, 12611549, 12612397, 12618031, 12629019, 12635902, 12638026, DL 216140, 12618028, 12629020, 12630186, 12635901, 12639669, 216-140
• Genuine OEM: Yes
• Year: 2007, 2008, 2009
• Model: MALIBU
• Brand: GM
• Interchange Part Number: 590-00862
• Hardware Type: E37