Restore Your Van’s Brain and Get Back to Work
There’s nothing more frustrating than a vehicle you rely on that suddenly won’t start, stalls unexpectedly, or runs so poorly it can’t be trusted. For many 1996 GM trucks and vans, the culprit is a failing Engine Control Module (ECM). As the central computer for your engine, a faulty ECM can cause a cascade of baffling problems, leaving you stranded and costing you time and money. This is the definitive solution to get your vehicle running reliably again.
This ECM, compatible with part numbers 16208546 and 16244210, isn’t just a replacement part; it’s a complete, ready-to-install fix. The biggest hurdle with ECM replacement is the need for expensive dealership programming. We eliminate that step entirely. Upon purchase, you provide us with your vehicle’s VIN, and we flash the module with the very latest GM factory software specific to your truck or van. It arrives at your door ready for installation, saving you a trip to the dealer and hundreds in programming fees.
Case Study: A Tricky Diagnosis
I remember a 1996 GMC Safari van that came into my shop with a complaint of intermittent stalling and a random misfire that no one could pinpoint. The owner had already replaced plugs, wires, and the distributor cap. We scanned it and found no hard codes, just a history of random misfire counts. After checking fuel pressure and sensor data, everything looked normal. On a hunch, we monitored the ECM’s internal temperature while running diagnostics. We noticed that as the engine bay heated up, the sensor data would start to glitch right before it stalled. The ECM was failing under heat soak. We replaced it with a pre-programmed unit like this one, and the van ran perfectly. It’s a classic example of how a failing 1996 Express 1500 ECM (or its equivalent in other models) can create ghost-like issues that are tough to trace without experience.
Is Your GM Truck or Van Showing These Signs?
A failing ECM can manifest in numerous ways. If you’re experiencing any of the following, it’s a strong indicator that your engine’s computer is the root cause.
- ✔ Complete no-start condition where the engine cranks but won’t fire up.
- ✔ Check Engine Light is on with codes like P0601 (Internal Control Module Memory Check Sum Error) or other communication faults.
- ✔ Rough idling, stalling, or hesitation during acceleration.
- ✔ A noticeable drop in fuel economy.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Failure to pass an emissions or smog test.
A Straightforward Guide to Installation
Installing your new 1996 Express 1500 ECM is a job most DIYers can handle with basic tools. Since it comes pre-programmed, no special electronic equipment is needed.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the ECM: On most of these GM vans and trucks, the ECM is located in the engine compartment, typically on the driver’s side near the battery or on the fender well.
- Disconnect the Harnesses: Carefully unclip and disconnect the large electrical wiring harnesses from the old module. Take note of their orientation.
- Remove the Old Module: Unbolt the old ECM from its mounting bracket and remove it from the vehicle.
- Install the New ECM: Mount the new module securely in the bracket and reconnect the wiring harnesses, ensuring they click firmly into place.
- Reconnect the Battery: Re-attach the negative battery terminal. In some cases, a security relearn procedure may be necessary, which typically involves turning the key to the ‘On’ position for 10-15 minutes. Consult your vehicle’s service information if needed.
Will This Fit My Vehicle?
This ECM is a direct-fit, programmed solution for a wide range of 1996 General Motors vehicles. Please verify your model is on the list below.
- ASTRO 96 Electronic Control Module; (LH front by battery)
- BLAZER S10/JIMMY S15 96 Electronic Control Module; (6-262, 4.3L)
- BRAVADA 96 Electronic Control Module; (6-262, 4.3L)
- CHEVROLET 1500 PICKUP 96 Electronic Control Module; gasoline (LH front engine compartment)
- CHEVROLET 2500 PICKUP 96 Electronic Control Module; gasoline (LH front engine compartment)
- CHEVROLET 3500 PICKUP 96 Electronic Control Module; gasoline (LH front engine compartment)
- EXPRESS 1500 VAN 96 Electronic Control Module
- EXPRESS 2500 VAN 96 Electronic Control Module; gasoline
- EXPRESS 3500 VAN 96 Electronic Control Module; gasoline
- GMC 1500 PICKUP 96 Electronic Control Module; gasoline (LH front engine compartment)
- GMC 2500 PICKUP 96 Electronic Control Module; gasoline (LH front engine compartment)
- GMC 3500 PICKUP 96 Electronic Control Module; gasoline (LH front engine compartment)
- S10/S15/SONOMA 96 Electronic Control Module; 6-262 (4.3L)
- SAFARI (GMC) 96 Electronic Control Module; (LH front by battery)
- SAVANA 1500 VAN 96 Electronic Control Module
- SAVANA 2500 VAN 96 Electronic Control Module; gasoline
- SAVANA 3500 VAN 96 Electronic Control Module; gasoline
- SUBURBAN 1500 96 Electronic Control Module; gasoline (LH front engine compartment)
- SUBURBAN 2500 96 Electronic Control Module; gasoline (LH front engine compartment)
- TAHOE 96 Electronic Control Module; gasoline (LH front engine compartment)
- YUKON 96 Electronic Control Module; gasoline (LH front engine compartment)
What is VIN programming and why is it required?
What is VIN programming and why is it required?
VIN programming is the process of loading your vehicle’s specific software and settings onto the ECM. This includes information about your engine, transmission, and factory options. It’s essential for the module to communicate correctly with your vehicle. We handle this for you before shipping.
How do I provide my VIN?
After you complete your purchase, you will receive instructions on how to send us your 17-digit Vehicle Identification Number (VIN). We cannot ship your part until we receive this information.
Is any other programming needed after I install it?
No. This 1996 Express 1500 ECM arrives ready to install. In some cases, a simple, no-tool “security relearn” procedure (turning the key on for 10-15 minutes) may be needed to sync the module with your vehicle’s anti-theft system.
What if my original part number is 16244210?
This module is a direct replacement for both part numbers 16208546 and 16244210. They are interchangeable, and our programming ensures it will function correctly for your specific application.