Restore Your Truck’s Brain and Get Back on the Road

Is your truck or van suddenly running rough, stalling, or refusing to start? A persistent Check Engine Light and bizarre engine behavior can be incredibly frustrating. As a technician with over 20 years of experience under the hood, I’ve seen these symptoms countless times. Often, the culprit isn’t a mechanical part, but the vehicle’s central computer: the Powertrain Control Module (PCM). This module is the brain of your engine, and when it fails, it can cause a cascade of problems. This isn’t just an inconvenience; it affects your vehicle’s reliability, fuel economy, and emissions.

We offer a dependable and straightforward solution. This Powertrain Control Module, compatible with part number 09366810, is meticulously prepared and programmed specifically for your vehicle. Before we ship, we use your VIN to flash the module with the latest factory software from GM. This critical step ensures that the PCM communicates perfectly with your engine, transmission, and all related systems, just as the original did. You’re not just buying a part; you’re getting a fully integrated solution that restores your vehicle’s factory performance and logic.

Common Signs of a Failing PCM

If you’re experiencing any of the following, a faulty PCM could be the root cause. A proper diagnosis is always recommended, but these are classic symptoms I’ve seen in my shop that point to the need for a replacement 1998 Isuzu Hombre PCM or compatible module.

• ✔ The engine cranks but will not start.
• ✔ Unexplained Check Engine Light, often with codes like P0601, P0602, or P0606 (Internal Control Module errors).
• ✔ Rough or erratic idling and stalling.
• ✔ Poor acceleration and a noticeable loss of power.
• ✔ Decreased fuel economy.
• ✔ Harsh or incorrect automatic transmission shifting.
• ✔ Failure to communicate with a diagnostic scan tool.

DIY-Friendly Installation: Get Back on the Road Fast

Replacing the PCM on these GM vehicles is a job most DIYers can handle with basic hand tools. Since we program the module for you, there are no special computer tools required for the installation itself. Just follow these general steps:

1. Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
2. Locate the PCM: On most of these trucks and vans, the PCM is located in the engine compartment, often on the driver’s side fender or near the battery. Refer to the fitment list for specific location hints.
3. Disconnect the Wiring: Carefully unplug the wiring harness connectors from the old module. There are typically levers or tabs that need to be released. Avoid pulling on the wires themselves.
4. Remove the Old Module: Unbolt the old PCM from its mounting bracket. Keep the hardware, as you’ll need it for the new module.
5. Install the New Module: Mount your new, pre-programmed PCM onto the bracket and securely fasten it.
6. Reconnect Everything: Plug the wiring harness connectors firmly into the new module. You should hear or feel a click. Reconnect the negative battery terminal.
7. Final Steps: Depending on your specific vehicle, a security relearn procedure (often called a CASE relearn or Passlock relearn) may be necessary. This can typically be done without special tools and instructions are widely available online for your specific model.

Will This Fit My GM Truck or Van?

This module is a direct replacement for service numbers 16250279, 09366810, and 09355699. Please verify the part number on your existing module to ensure compatibility. This unit is confirmed to fit the following vehicles: