Restore Peak Performance to Your GM Truck or Car
Is your 2000 Chevy Tahoe or another GM vehicle acting up? If you’re dealing with frustrating issues like stalling, poor fuel mileage, a persistent Check Engine light, or erratic engine behavior, the root cause is often a failing Powertrain Control Module (PCM). As the central computer for your engine and transmission, a faulty PCM can create a cascade of problems that are difficult to diagnose. This isn’t just an inconvenience; it affects your vehicle’s reliability, safety, and emissions performance.
We offer a direct, dependable solution. This Powertrain Control Module, corresponding to part numbers 09354896 and 19109040, is meticulously prepared for your exact vehicle. The biggest hurdle in replacing a PCM is the programming—a step that usually requires an expensive trip to the dealership. We eliminate that completely. By providing us with your vehicle’s VIN at checkout, we will flash this module with the latest, most stable GM-approved software specifically for your truck or car. This ensures that all parameters, from fuel injection timing to transmission shift points, are perfectly calibrated, making the installation process as simple as possible.
From the Diagnostic Bay: The Ghost in the Machine
I remember a 2000 Silverado 2500 that came into my shop with a problem that was driving the owner crazy. It would run perfectly for days, then suddenly stall at a stoplight and refuse to restart for 10-15 minutes. No consistent codes were stored, just a history of random communication faults. We checked fuel pressure, ignition components, and wiring harnesses for hours. Everything seemed fine. On a hunch, I monitored the PCM data stream during a test drive and finally saw it: the 5-volt reference signal would momentarily drop out just before the engine quit. The internal voltage regulator in the original PCM was failing intermittently due to heat soak. We installed a VIN-programmed module just like this one, performed the security relearn, and the truck never had the issue again. It’s a classic example of how a failing 2000 Tahoe PCM (or one for a similar GM truck) can mimic a dozen other problems.
Common Signs of a Failing PCM
If the main computer is failing, your vehicle will let you know. Keep an eye out for these common symptoms. A failing module can often be the single cause behind multiple issues.
- ✔ The engine cranks but refuses to start.
- ✔ Unexplained Check Engine Light, often with codes like P0601 (Internal Control Module Memory Check Sum Error) or P0606 (PCM Processor Fault).
- ✔ A sudden, noticeable drop in fuel economy.
- ✔ The vehicle fails an emissions or smog test.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Intermittent stalling or engine hesitation during acceleration.
- ✔ Communication errors with diagnostic scan tools.
A Straightforward Guide to Installation
Replacing your 2000 Tahoe PCM is a manageable job for a DIYer with basic tools. Our VIN programming service handles the most complex part for you. Follow these general steps to get back on the road.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes to allow the system to fully discharge.
- Locate the Module: On most GM trucks like the Tahoe, Silverado, and Sierra, the PCM is located in the engine bay, on the driver’s side, typically under or near the battery tray. On cars like the Camaro and Firebird, it’s often behind the passenger-side strut tower.
- Disconnect and Remove: Carefully unplug the electrical connectors. Most have a locking tab or lever that needs to be released. Once disconnected, unbolt the module from its mounting bracket.
- Install the New PCM: Mount the new module securely in the bracket and firmly plug in the electrical connectors until they click into place. Do not force them.
- Reconnect the Battery: Reattach the negative battery terminal and tighten it securely.
- Perform Security Relearn: You will likely need to perform a security relearn procedure (often called the “CASE learn”) to sync the new PCM with your vehicle’s anti-theft system. This procedure typically involves turning the key to the ‘ON’ position for 10-15 minutes, then ‘OFF’, and repeating two more times. Your vehicle’s service manual will have the exact steps.
Verified Vehicle Compatibility
This module is a direct replacement for part number 09354896 and is guaranteed to fit the following GM vehicles. Please confirm your model and year before ordering.
CAMARO 99-02 (5.7L)
CORVETTE 99-00
SILVERADO 1500 PICKUP 99-00 (8-Cylinder)
SILVERADO 2500 PICKUP 99-00
SUBURBAN 1500/2500 00
TAHOE 00 (Silverado Style)
GMC:
SIERRA 1500 PICKUP 99-00 (8-Cylinder)
SIERRA 2500 PICKUP 99-00
YUKON 00 (exc. Denali)
YUKON XL 1500/2500 00
Pontiac:
FIREBIRD 99-02 (5.7L)
Frequently Asked Questions
Do I need to do any programming myself?
No. The main programming is done by us before shipment. We flash the module with the latest GM software using the VIN you provide. The only procedure you may need to perform is the security relearn (CASE learn), which requires no special tools.
Where do I provide my VIN?
Please enter your 17-digit Vehicle Identification Number (VIN) during the checkout process. This is crucial for us to program the module correctly for your vehicle’s specific configuration.
Will this fix my vehicle’s hard shifting?
In many cases, yes. The PCM controls the transmission’s shift solenoids and line pressure. If the module is failing, it can cause harsh or delayed shifts. A correctly functioning 2000 Tahoe PCM will restore proper transmission communication and operation, provided the transmission itself is mechanically sound.
Is this a new or used part?
This is a high-quality, inspected, and tested recycled OEM part. Each unit is verified to be fully functional before being programmed with your vehicle’s specific software, ensuring OEM-level reliability and fitment.