Restore Your GM Vehicle’s Brainpower and Performance
Is your 1999-2000 Corvette, Camaro, or GM truck suffering from baffling electrical gremlins, poor performance, or a persistent Check Engine Light? The Powertrain Control Module (PCM), often called the ECM, is the central computer responsible for managing everything from fuel injection and ignition timing to transmission shifting and emissions control. When it fails, it can cause a cascade of frustrating and often misdiagnosed problems. This direct-fit Powertrain Control Module, part number 19109040, is the definitive solution to restore your vehicle’s factory performance and reliability.
Unlike a generic part from a local store, this module is not just a piece of hardware. It’s a comprehensive solution. Before we ship it, our expert technicians will program it with the latest official GM software updates, specifically calibrated to your vehicle’s unique Vehicle Identification Number (VIN). This critical step ensures seamless communication with all other modules in your vehicle, proper function of the anti-theft system (VATS), and optimized engine and transmission performance. It arrives at your door ready for a straightforward, plug-and-play installation.
From the Diagnostic Bay
We had a 2000 Silverado 2500 come into the shop with a complaint of intermittent stalling and harsh 1-2 shifting that no one could figure out. The owner had already replaced the fuel pump and multiple sensors. After hours of diagnostics, we traced the issue to a failing PCM that was intermittently losing its 5-volt reference signal to the sensors. Swapping in a generic, non-programmed module from a salvage yard only made things worse, triggering the anti-theft system and preventing the truck from starting at all. By installing a correctly VIN-programmed PCM like this one, we were able to solve all the issues in one go. The truck ran smoother than it had in years, and the customer was thrilled to have his reliable workhorse back. It’s a perfect example of why correct programming isn’t just a feature—it’s essential.
Symptoms of a Failing Powertrain Control Module
A faulty PCM can manifest in numerous ways. If you’re experiencing any of the following, a failing computer could be the culprit:
- ✔ Persistent Check Engine Light (CEL) with various trouble codes, especially communication or internal processor codes.
- ✔ Engine stalling, stumbling, or misfiring for no apparent reason.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ A complete no-start condition where the engine cranks but will not fire up.
- ✔ Noticeable decrease in fuel economy.
- ✔ Failure to pass an emissions test.
- ✔ Intermittent issues with gauges or other electronic components.
Why Our VIN-Programmed Corvette Powertrain Control Module is the Superior Choice
Choosing the right replacement is crucial for a lasting repair. This isn’t just a component; it’s a vital part of your vehicle’s nervous system. Our process ensures you receive a fully functional unit that integrates perfectly with your car or truck. We flash the module with the most current GM-certified calibration for your exact VIN, which corrects common factory drivability issues and ensures optimal performance. This eliminates the need for an expensive trip to the dealership for programming. You are getting a reliable, fully updated controller ready to solve your vehicle’s problems right out of the box.
Broad Compatibility Across the GM Lineup
While this is a perfect fit for the 1999-2000 Corvette, this versatile PCM (interchangeable with part numbers 09354896 and 9354896) is also the correct electronic control module for a wide range of popular GM trucks and performance cars. Please verify your vehicle is on the list below:
- 1999-2000 Corvette: (RH engine compartment)
- 1999-2002 Camaro: (5.7L, behind RH strut tower)
- 1999-2002 Firebird: (5.7L, behind RH strut tower)
- 1999-2000 Sierra/Silverado 1500 & 2500: (V8, LH front under battery)
- 2000 Tahoe/Yukon/Suburban/Yukon XL: (LH front under battery)
Frequently Asked Questions
What is the difference between a PCM and an ECM?
ECM (Engine Control Module) and PCM (Powertrain Control Module) are often used interchangeably. Technically, an ECM controls only the engine, while a PCM controls both the engine and the transmission. For the vehicles listed, this unit functions as the PCM.
Is this part difficult to install?
Installation is generally straightforward for someone with basic mechanical skills. It involves disconnecting the battery, unplugging the electrical connectors from the old PCM, unbolting it, and then installing the new one in reverse order. The most important part is ensuring the battery is disconnected before you begin.
Do I need to do anything after I install it?
Because this PCM is pre-programmed to your VIN, no further dealer programming is needed. However, you may need to perform a simple security relearn procedure, which can typically be done without special tools and takes about 30 minutes. Instructions are readily available online for your specific model. A CASE (Crankshaft Angle Sensor Error) relearn may also be required, which needs a capable scan tool.
How do I provide you with my VIN?
After placing your order, simply send us a message with your 17-digit VIN. We cannot program and ship your module without it. You can find your VIN on your vehicle’s dashboard (visible through the windshield), on the driver’s side door jamb sticker, or on your vehicle’s registration and insurance documents.
Will this fix my specific problem or Check Engine Light code?
This module will correct issues directly caused by a faulty PCM. While it resolves many common codes (like internal processor failure codes), it’s important to ensure your vehicle has been properly diagnosed. This part will not fix issues caused by other faulty sensors or mechanical problems.