Restore Peak Performance to Your GM Vehicle with a Reliable, VIN-Programmed PCM
Is your Corvette, Camaro, or Silverado suffering from baffling electrical gremlins? Issues like a persistent check engine light, erratic engine behavior, or a complete no-start condition often point to one critical component: a failing Powertrain Control Module (PCM). As the central computer for your engine and transmission, a faulty PCM can cause a cascade of problems that are frustrating to diagnose and can leave your vehicle unreliable. For over 20 years in the diagnostic bay, I’ve seen firsthand how a failing module can mimic a dozen other issues, costing owners time and money on unnecessary parts.
This replacement PCM is the definitive solution for a wide range of GM cars and trucks from 1999-2002. We take the guesswork and hassle out of the repair. Simply provide your vehicle’s VIN during checkout, and our technicians will professionally program the module with the latest, most stable software updates from General Motors. This ensures that when it arrives, it’s a true plug-and-play part, specifically configured for your vehicle’s original factory settings and options. You get a reliable fix that restores factory drivability, fuel efficiency, and emissions compliance without a costly trip to the dealership for programming.
A Technician’s Notebook: The Intermittent No-Start C5
I once had a 2000 Corvette in the shop with an issue that drove the owner crazy: it would randomly refuse to start. No crank, no click. All the usual suspects—battery, starter, security system—checked out perfectly. After hours of tracing wiring diagrams, I noticed the scanner would intermittently lose communication with the PCM right when the fault occurred. On these LS-era platforms, heat cycles and vibrations can cause microscopic cracks in the PCM’s internal circuits. We installed a new, properly programmed module, and the problem vanished instantly. It’s a classic example of how a failing 1999-2000 Corvette PCM can create phantom issues that defy simple diagnosis.
Is Your Vehicle Showing These Telltale Signs of PCM Failure?
- ✔ Check Engine Light is on with communication-related or internal processor fault codes (e.g., P0601, P0606).
- ✔ Engine cranks but will not start, or stalls intermittently.
- ✔ Noticeable decrease in fuel economy for no apparent reason.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ The engine misfires, runs rough, or hesitates during acceleration.
- ✔ Your diagnostic scanner cannot communicate with the PCM (U-codes).
A Straightforward Guide to Your 1999-2000 Corvette PCM Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait 10-15 minutes for any residual power to dissipate.
- ✔ Locate the Module: On a 1999-2000 Corvette, the PCM is located in the engine compartment on the right-hand (passenger) side, near the firewall. For trucks like the Silverado or Sierra, it’s typically under the hood on the driver’s side, below or near the battery tray.
- ✔ Disconnect Harnesses: Carefully release the locking tabs and unplug the wiring harnesses from the old PCM. Inspect the connectors for any corrosion or damage.
- ✔ Swap the Module: Unbolt and remove the old module from its mounting bracket. Place the new, pre-programmed module in the same position and secure it with the original hardware.
- ✔ Reconnect Everything: Plug the wiring harnesses firmly into the new PCM, ensuring they click into place. Reconnect the negative battery terminal.
- ✔ Final Check: Turn the key to the ‘On’ position (without starting) for 10-15 seconds, then turn it off. This allows the system to recognize the new module. Your vehicle is now ready to start.
Will This Fit My Vehicle? Verified Compatibility List
This module is a direct replacement for part numbers 9354896, 09354896, and 19109040. It is guaranteed to fit the following vehicles:
- Chevrolet Camaro: 1999-2002 (5.7L Engine)
- Chevrolet Corvette: 1999-2000
- Chevrolet Silverado 1500/2500: 1999-2000 (V8 Engines)
- Chevrolet Suburban 1500/2500: 2000
- Chevrolet Tahoe: 2000 (Silverado Body Style)
- GMC Sierra 1500/2500 Pickup: 1999-2000 (V8 Engines)
- GMC Yukon: 2000 (Excludes Denali)
- GMC Yukon XL 1500/2500: 2000
- Pontiac Firebird: 1999-2002 (5.7L Engine)
Frequently Asked Questions
Do I need to do any programming or flashing myself?
No. This is the biggest benefit we offer. We program the module to your specific vehicle using the VIN you provide. It arrives ready to install, saving you a trip to the dealer and associated programming fees.
How do I provide my Vehicle Identification Number (VIN)?
After you complete your purchase, you will receive instructions on how to send us your 17-digit VIN. We cannot ship your part until we receive this information, as the programming is essential.
Will this fix my vehicle’s problem?
This part is a direct solution for a failed PCM. While it resolves the many symptoms listed above, we always recommend a proper diagnosis by a qualified mechanic to confirm the PCM is the root cause of your issue before ordering.
Is this a used part?
This is a high-quality, inspected, and tested replacement part that is guaranteed to function to OEM specifications. Each unit is programmed with the latest GM software for optimal performance and reliability.
What if my part number isn’t listed, but my vehicle is?
Please contact us with your VIN and original part number. GM often uses several part numbers for the same component. We can verify compatibility for you to ensure you receive the correct part.