Restore Your GM Truck’s Brain and Get Back on the Road
If you’re dealing with frustrating issues like a persistent Check Engine Light, poor fuel mileage, erratic shifting, or a no-start condition, the problem often lies with a failing Powertrain Control Module (PCM). As a technician with over two decades of experience, I’ve seen how a faulty engine computer can sideline an otherwise solid truck. This isn’t just a part; it’s the central command center for your engine and transmission. This replacement PCM is the reliable, straightforward solution you need to restore your vehicle’s performance and dependability.
The biggest hurdle with PCM replacement has always been the programming. Dealerships charge a premium for this service, and it adds an extra, inconvenient step to your repair. We eliminate that completely. When you purchase this module, we flash it with the latest official GM software updates, specifically matched to your vehicle using your VIN. It arrives at your door ready for installation, saving you time, money, and a trip to the dealer. This is the most efficient way to fix your 2000 Yukon PCM and get your truck running right again.
Case Study: The Ghost in the Machine
I remember a 2000 Sierra 2500 that came into my bay with a maddeningly intermittent no-start condition. The owner had replaced the battery, starter, and fuel pump, but the truck would still randomly refuse to crank. There were no consistent trouble codes. After checking all the grounds and wiring, we hooked up a scope to the PCM connectors. We discovered that the 5-volt reference signal was dropping out intermittently, a classic sign of an internal PCM failure caused by years of heat cycles and vibration. Swapping in a VIN-programmed PCM like this one solved the problem instantly. It’s a reminder that sometimes the most elusive electrical gremlins live inside the computer itself.
Is Your Vehicle Showing These Symptoms?
A failing PCM can cause a wide range of problems. If you’re experiencing any of the following, your engine computer is a likely culprit:
- ✔ Unexplained Check Engine Light (CEL)
- ✔ Stored diagnostic trouble codes (DTCs) such as P0601, P0602, or P0606
- ✔ Vehicle won’t start or is difficult to start
- ✔ Rough idling or stalling
- ✔ Poor engine performance and reduced power
- ✔ Decreased fuel economy
- ✔ Harsh or erratic automatic transmission shifting
- ✔ Communication errors with scan tools
Your Step-by-Step Installation Guide
Installing your new 2000 Yukon PCM is a manageable job for a DIYer with basic tools. For most GM trucks of this era, the PCM is located under the hood on the driver’s side, below or next to the battery.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and secure it away from the post.
- Locate the PCM: Find the module, typically mounted to a bracket in the engine bay. You may need to remove the battery for access.
- Disconnect the Harnesses: Carefully unclip and disconnect all electrical wiring harnesses from the old PCM. These connectors have locking tabs that need to be released before pulling.
- Remove the Old Module: Unbolt the old PCM from its mounting bracket.
- Install the New PCM: Mount your new, pre-programmed PCM onto the bracket and securely reconnect all wiring harnesses. Ensure they click into place.
- Reconnect the Battery: Reinstall the battery (if removed) and reconnect the negative terminal.
- Perform Security Relearn: You will likely need to perform a simple security relearn procedure to sync the new PCM with your vehicle’s anti-theft system. This typically involves turning the key to the ‘ON’ position for 10-15 minutes. Instructions are readily available online for your specific model.
Will This Fit My GM Vehicle?
This module is a direct replacement for part numbers 9354896, 09354896, and 19109040. It is confirmed to fit the following vehicles:
- Cadillac Escalade: 2000 (LH front under battery)
- Chevrolet Camaro: 1999-2002 (5.7L, behind RH strut tower)
- Chevrolet Corvette: 1999-2000 (RH engine compartment)
- Chevrolet Silverado 1500/2500 Pickup: 1999-2000 (LH front under battery)
- Chevrolet Suburban 1500/2500: 2000 (LH front under battery)
- Chevrolet Tahoe: 2000 (Silverado style, LH front below battery)
- GMC Sierra 1500/2500 Pickup: 1999-2000 (LH front under battery)
- GMC Yukon: 2000 (exc. Denali, LH front under battery)
- GMC Yukon XL 1500/2500: 2000 (LH front under battery)
- Pontiac Firebird: 1999-2002 (5.7L, behind RH strut tower)
Frequently Asked Questions About Your New PCM
Frequently Asked Questions
How do I provide my VIN for programming?
After you complete your purchase, simply send us a message with your 17-digit Vehicle Identification Number (VIN). We cannot ship your order until we receive this information, as it is essential for programming the module correctly for your specific vehicle.
Is this a plug-and-play part?
Yes, this PCM comes pre-programmed to your VIN. In most cases, you will only need to perform a simple security relearn procedure after installation, which takes about 10-15 minutes and does not require special tools.
Will this fix my specific problem?
This module corrects issues directly caused by a failing PCM, including many common engine performance, starting, and transmission control problems. While it’s a very common failure point, we always recommend proper diagnostics to confirm the PCM is the source of your issue before ordering.
Does this part require any additional programming at a dealership?
No. The entire point of our service is to save you that hassle and expense. We handle all the necessary programming with the latest GM software before the part is shipped to you.
Where is the PCM located on my 2000 Yukon?
On the 2000 GMC Yukon and similar GM trucks like the Silverado and Tahoe, the PCM is typically located in the engine compartment on the driver’s side, mounted to a bracket near or underneath the battery tray.