Programmed 1996 Express 2500 ECM | Engine Control Module 16208546 16244210

### Programmed 1996 GM 16208546 ECM Engine Computer \| Direct Fit   Is your trusty 1996 GM truck, van, or SUV suddenly running rough, refusing to start, or flashing a stubborn Check Engine Light? A failing Engine Control Module (ECM) can bring your vehicle to a standstill, causing immense frustration and costing you valuable time. This direct-fit replacement **16208546 ECM engine computer** is the definitive solution to get you back on the road with confidence and restore the reliable performance you depend on every day. ### Common Symptoms & Your Solution A faulty ECM can manifest in various ways, often mimicking other component failures. If you’re experiencing any of the following, your engine computer is the likely culprit: - **Check Engine Light:** Persistent illumination, especially with codes like P0601 (Internal Control Module Memory Check Sum Error). - **No-Start or Hard-Start:** The engine cranks but refuses to fire up, or takes an excessive amount of time to start. - **Poor Performance:** Noticeable loss of power, hesitation during acceleration, and rough idling. - **Reduced Fuel Economy:** The ECM controls the air-fuel mixture, and a malfunction can lead to a significant drop in MPG. - **Erratic Shifting:** In many of these vehicles, the ECM also manages transmission functions, leading to harsh or unpredictable gear changes. - **Failed Emissions Test:** An inability to pass smog or emissions testing is a classic sign of an ECM issue. Instead of wrestling with a trip to the dealership for costly diagnostics and programming, this unit provides a straightforward fix. We take the guesswork out of the equation by pre-programming this **16208546 ECM engine computer** to your vehicle’s unique Vehicle Identification Number (VIN) before it even ships. This ensures it communicates perfectly with your vehicle’s systems right out of the box. ### Features & Benefits - ✔ **Plug-and-Play Installation:** Arrives pre-flashed with the latest GM software updates specifically for your VIN. No expensive dealer programming required. - ✔ **Restored Drivability:** Solves common issues like rough idle, stalling, and poor acceleration, making your vehicle run like it should. - ✔ **Guaranteed Compatibility:** By programming to your VIN, we ensure this module is a perfect match for your vehicle’s specific options and systems. - ✔ **Cost-Effective Solution:** Avoids the high costs and scheduling hassles associated with dealership repairs. - ✔ **Pass Emissions with Confidence:** A properly functioning ECM is critical for passing state emissions inspections. This is your fix. - ✔ **Peace of Mind:** This unit is backed by our one-year replacement warranty. > #### Expert Insight: The “Black Box” Myth > > As a technician, I’ve seen countless owners get intimidated by the ECM, thinking of it as a mysterious “black box.” In the 90s, replacing one meant a mandatory, and often expensive, trip to the dealer for programming. That’s no longer the case. By providing us your VIN, you’re essentially giving us the vehicle’s DNA. We use that to load the correct factory software, turning a complex electronic repair into a simple component swap you can often do in your own driveway. This process doesn’t just make the part work; it ensures your **16208546 ECM engine computer** operates with the most stable and efficient software available from the manufacturer for your specific vehicle. ### Frequently Asked Questions **What does “VIN Programming” mean?** VIN programming is the process of loading your vehicle’s specific software onto the ECM. This includes information about your engine, transmission, and factory options. It’s what allows the new computer to communicate correctly with all the other modules in your vehicle, ensuring a seamless, error-free installation without needing a trip to the dealer. **How do I provide my VIN?** After you complete your purchase, simply send us a message with your vehicle’s 17-digit VIN. We cannot ship your part until we receive this information, as the programming is a critical step in the process. You can typically find your VIN on your driver’s side dashboard (visible through the windshield) or on the driver’s side door jamb sticker. **Is this the correct part for my truck/van?** This ECM is compatible with a wide range of 1996 GM models listed in the fitment guide. The best way to confirm is to match the part number ( **16208546** or **16244210**) from your original unit. If you are unsure, please contact us with your VIN before ordering, and we will be happy to verify compatibility for you. **Will I need to perform a security relearn procedure?** For many 1996 GM vehicles, a simple security relearn procedure may be necessary after installation to sync the new ECM with your vehicle’s anti-theft system. This procedure can typically be done without special tools and involves a sequence of key cycles. Instructions are widely available online or we can help point you in the right direction. **What if my original problem isn’t fixed?** While this ECM resolves the vast majority of the symptoms listed, it’s important to ensure your vehicle’s wiring and sensors are in good condition. If you install the unit and the problem persists, it may indicate another issue. Our one-year replacement warranty covers the module itself for any defects. 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: 16208546
• Manufacturer Warranty: 1 Year
• Superseded Part Number: 16244210
• Brand: GM
• Year: 1996
• Fitment Type: Direct Replacement
• Genuine OEM: Yes
• Interchange Part Number: 590-04209
• PartNumber: 590
• Model: express 2500
• MPN: 16244210