Restore Peak Performance to Your GM Truck or SUV
If your trusty Tahoe, Silverado, or Sierra is suffering from perplexing issues like a persistent Check Engine Light, rough idling, hesitation, or even a no-start condition, the problem often lies with a failing Powertrain Control Module (PCM). As the central computer for your engine and transmission, its health is non-negotiable. This isn’t just a replacement part; it’s a direct solution, professionally programmed with the latest GM software updates specifically for your vehicle. By providing your Vehicle Identification Number (VIN) at checkout, you receive a 2000 Tahoe PCM that is truly plug-and-play, eliminating the need for expensive dealership programming.
Case Study: A Tricky Diagnosis
I remember a 2000 Silverado 2500 that came into my bay with a complaint that stumped two other shops: it would randomly stall at traffic lights, but only when warm. There were no consistent codes, just a history of a P0300 (Random Misfire). We checked fuel pressure, spark, and sensors—all were fine. After hours of diagnostics, I monitored the PCM’s internal data stream on a hot engine. I noticed the processor temperature readings were spiking just before it would stall. The thermal stress was causing an internal fault in the PCM. We installed a VIN-programmed module just like this one, and the truck has been running perfectly for the owner for over three years. Sometimes, the symptoms aren’t obvious, but a faulty PCM is the hidden culprit.
Is Your GM Vehicle Showing These Symptoms?
A failing engine computer can manifest in numerous ways. Over my 20+ years of diagnostics, I’ve seen these modules cause some of the most frustrating drivability problems. Look out for these common indicators:
- ✔ Persistent Check Engine Light (CEL) that won’t clear.
- ✔ Diagnostic Trouble Codes (DTCs) such as P0601 (Internal Control Module Memory Check Sum Error) or P0606 (ECM/PCM Processor Fault).
- ✔ The engine cranks but refuses to start.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ A noticeable drop in fuel economy.
- ✔ Engine stalling, stumbling, or running rough.
- ✔ Communication errors with your scan tool.
A Straightforward Guide to Installation
One of the biggest advantages of this module is that it arrives ready for installation. For most of the trucks and SUVs listed, the process is simple and can be done with basic hand tools in under an hour. This makes it an ideal project for a DIY enthusiast looking to save on labor costs.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and secure it away from the post.
- Locate the PCM: On most compatible trucks and SUVs (like the Tahoe, Silverado, Sierra, and Suburban), the PCM is located in the engine bay on the driver’s side, typically under the battery tray or near the fender.
- Disconnect the Connectors: Carefully unclip and remove the electrical harness connectors from the old PCM. These connectors are often color-coded to prevent mix-ups.
- Remove the Old Module: Unbolt the old PCM from its mounting bracket and remove it from the vehicle.
- Install the New Module: Mount your new, pre-programmed PCM into the bracket and securely reconnect the electrical harnesses.
- Reconnect the Battery: Re-attach the negative battery terminal. In some cases, a security relearn procedure may be required, which typically involves cycling the key and can be done without special tools.
Verified Vehicle Compatibility
This module is a direct replacement for part numbers 19109040, 09354896, and 9354896. It is guaranteed to fit the following vehicles. Please confirm your model and options below.
CHEVROLET CORVETTE 1999-2000
CHEVROLET SILVERADO 1500 PICKUP 1999-2000 (8 cylinder)
CHEVROLET SILVERADO 2500 PICKUP 1999-2000
CHEVROLET SUBURBAN 1500 2000
CHEVROLET SUBURBAN 2500 2000
CHEVROLET TAHOE 2000 (Silverado style)
GMC SIERRA 1500 PICKUP 1999-2000 (8 cylinder)
GMC SIERRA 2500 PICKUP 1999-2000
GMC YUKON 2000 (exc. Denali)
GMC YUKON XL 1500 2000
GMC YUKON XL 2500 2000
PONTIAC FIREBIRD 1999-2000 (5.7L), 2001-2002 (5.7L, ID 9354896)
Frequently Asked Questions About Your New PCM
Frequently Asked Questions
What exactly is VIN programming?
VIN programming is the critical process of loading your vehicle’s specific software and calibrations onto the PCM. This includes information about your engine, transmission, emissions equipment, and options. We handle this for you before shipping, so the module is ready to work correctly with your truck the moment you install it.
Do I need to take my vehicle to a dealer after installation?
No. Because we program the module with your VIN, you can skip the expensive trip to the dealership for programming. The installation is a direct swap. On rare occasions, a simple key-cycle security relearn may be needed, which you can do yourself.
Where is the PCM located on my 2000 Tahoe?
On the 2000 Tahoe and similar GM trucks, the PCM (or ECM) is typically found in the engine compartment on the driver’s side, mounted below or next to the battery tray.
Will this fix my transmission shifting problems?
In many cases, yes. The PCM controls the transmission’s shift points and line pressure. If the PCM is faulty, it can cause hard shifts, delayed shifting, or slipping. Replacing a bad PCM often resolves these issues.
What information do you need from me?
After you place your order, we simply need your vehicle’s 17-digit VIN (Vehicle Identification Number). You can usually find this on your driver’s side dashboard (viewable through the windshield) or on your vehicle’s registration or insurance card.