Restore Peak Performance to Your Truck or Van
Is your truck suffering from frustrating issues like a persistent Check Engine Light, rough idling, stalling, or a complete no-start condition? You’re not just dealing with an annoyance; you’re facing a failing Powertrain Control Module (PCM), the electronic brain of your vehicle. In my 20+ years of diagnostics, I’ve seen how a faulty PCM can cripple even the most reliable trucks. This isn’t a part you can ignore. This tested, used PCM is the reliable and affordable solution you’ve been looking for, solving the problem at the source without the steep dealership price tag.
This isn’t just a generic, off-the-shelf part. We take the guesswork and hassle out of the repair by programming this module specifically to your vehicle’s VIN. This means it arrives at your door loaded with the latest GM software updates, ready for installation. This critical step ensures proper communication between the engine, transmission, and other systems, restoring the smooth operation and fuel efficiency you expect from your vehicle. By providing your VIN at checkout, you get a component that is truly plug-and-play, saving you a trip to the shop for expensive programming.
From the Diagnostic Bay: The Ghost in the Machine
I remember a 1999 Chevy Suburban that came into my shop with an intermittent no-start condition that had stumped two other mechanics. It would run perfectly for days, then refuse to start for an hour. No clear codes, just a frustrated owner. After checking all the usual suspects—fuel pump, crank sensor, ignition system—I focused on the PCM. On these older GM platforms, hairline cracks on the PCM’s circuit board from years of heat cycles can cause these exact symptoms. We swapped in a VIN-programmed module like this one, and the problem vanished instantly. It’s a classic failure mode, and this module is the definitive fix.
Common Signs of a Failing PCM
- ✔ Check Engine Light is on with codes related to internal module failure (e.g., P0601, P0606).
- ✔ The engine cranks but refuses to start.
- ✔ Unexplained stalling or rough running conditions.
- ✔ A noticeable drop in fuel economy.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Loss of communication with the scan tool.
Your Straightforward Installation Guide
- ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery and secure it away from the post.
- ✔ Locate the PCM: On most compatible models (like the Chevy/GMC trucks and vans), the PCM is located in the engine compartment, often on the driver’s side fender or near the battery.
- ✔ Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be released. Once disconnected, unbolt the module from its mounting bracket.
- ✔ Install the New Module: Bolt your new, pre-programmed PCM into the mounting bracket. Firmly reconnect the electrical connectors, ensuring they click securely into place.
- ✔ Reconnect Power: Reattach the negative battery terminal.
- ✔ Perform Security Relearn: Your vehicle may require a simple security relearn procedure to recognize the new PCM. This typically involves turning the key to the ‘ON’ position for 10-15 minutes. Consult your owner’s manual for the specific steps for your vehicle.
Will This Fit My Vehicle?
This PCM is a direct replacement for service number 09366810 and is compatible with several other part numbers including 09355699, 16266645, 16250279, and 16258815. It is guaranteed to fit the following vehicles with matching options:
- Astro Van: 1998
- Blazer S10 / Jimmy S15: 1998 (4.3L)
- Bravada: 1998 (4.3L)
- Cadillac Escalade: 1999
- Chevrolet / GMC C/K 1500, 2500, 3500 Pickup: 1998-1999 (Gasoline)
- Chevrolet / GMC Suburban 1500, 2500: 1998-1999 (Gasoline)
- Envoy: 1998
- Express / Savana 1500, 2500, 3500 Van: 1998-1999 (Gasoline)
- Isuzu Hombre: 1998 (4.3L)
- S10 / S15 / Sonoma Pickup: 1998 (4.3L)
- Safari Van: 1998
- Tahoe / Yukon: 1998-1999 (Gasoline)
Please verify your original part number or consult with us if you are unsure about compatibility. This part is specifically for vehicles with ID 9355699 and related options as listed.
Frequently Asked Questions
What do you mean by ‘VIN Programmed’?
When you provide your Vehicle Identification Number (VIN) during checkout, we flash the module with the exact software and calibrations for your truck’s specific configuration, including engine, transmission, and emissions. This makes the installation process much simpler and ensures correct vehicle operation.
Is this a new part?
No, this is a high-quality, tested used part sourced from a salvaged vehicle. Each unit is inspected and verified to be fully functional before being programmed and shipped. This provides a reliable, cost-effective alternative to a new dealer part.
Will I need to do any other programming after installation?
While the main engine and transmission programming is done for you, you will likely need to perform a simple ‘Security Relearn’ or ‘Anti-Theft Relearn’ procedure. This can usually be done without special tools and involves a sequence of key turns. This process syncs the new PCM with your vehicle’s anti-theft system.
How do I provide my VIN?
After you complete your purchase, you will receive instructions on how to send us your 17-digit VIN. We cannot ship your order until we receive this information, as the programming is a required step.