1999-2000 Sierra 2500 Powertrain Control Module 9354896 VIN Programmed

Is Your Truck’s Brain on the Fritz?

If you’re behind the wheel of a 1999-2000 Sierra 2500, or a similar GM truck from that era, you know it’s a workhorse. But when the Powertrain Control Module (PCM) starts to fail, that reliable truck can become a source of major frustration. You might be experiencing a persistent Check Engine Light, erratic shifting, a rough idle, or even a no-start condition that leaves you stranded. In my 20+ years in the shop, I’ve seen these exact issues hundreds of times, and the culprit is often a failing PCM.

Diagnosing a Faulty PCM: More Than Just Codes

A failing PCM can throw a confusing mix of trouble codes, often pointing to perfectly good sensors. You might replace a throttle position sensor or a MAP sensor only to have the problem persist. That’s because the PCM is the central computer interpreting all that data. When its internal components—capacitors, processors, or driver circuits—begin to degrade, its outputs and interpretations become unreliable. A classic sign I look for is a P0601 ‘Internal Control Module Memory Check Sum Error’ code, which is a definitive sign of internal PCM failure.

The Direct-Fit, Programmed Solution

This isn’t just a replacement part; it’s a complete solution. We take a quality, tested Powertrain Control Module and professionally program it specifically for your vehicle before it ever leaves our facility. This is the critical step that many sellers skip, leaving you with a part that won’t work and a mandatory, expensive trip to the dealership for programming.

How Our VIN Programming Works for You:

• ✔ Step 1: You Order: Place your order for this PCM.
• ✔ Step 2: You Provide Your VIN: After your purchase, simply send us your 17-digit Vehicle Identification Number (VIN).
• ✔ Step 3: We Program: Our technicians use your VIN to access the official GM database and flash the module with the latest, most up-to-date software for your exact truck. This accounts for your engine, transmission, axle ratio, and other factory options.
• ✔ Step 4: We Ship: We ship the ready-to-install PCM directly to you. Installation is straightforward, and because the programming is done, no further dealer intervention is needed.

Benefits of a Pre-Programmed Module

Getting a module that’s already flashed to your VIN is a game-changer for the DIY mechanic or independent shop. It eliminates guesswork and additional costs, getting your vehicle back to factory-spec operation quickly and efficiently.

• ✔ Restores Drivability: Corrects issues like poor fuel economy, harsh shifting, and hesitation.
• ✔ Clears Faulty Codes: Resolves persistent, false Check Engine Lights caused by the old module.
• ✔ No Dealer Required: Saves you from paying dealership labor rates for programming.
• ✔ Plug & Play: Once installed, your vehicle will start and run correctly, having recognized its new, correctly configured brain. A security relearn procedure may be required, which is a simple process that can be done without special tools.

Guaranteed Compatibility

This module is a direct replacement for part numbers 9354896, 09354896, and 19109040. It is guaranteed to fit and function in the following vehicles:

• ✔ 1999-2000 SIERRA 2500 PICKUP: (LH front under battery)
• ✔ 1999-2000 SILVERADO 2500 PICKUP: (LH front under battery)
• ✔ 1999-2000 SIERRA 1500 PICKUP: (8 cylinder, LH front under battery)
• ✔ 1999-2000 SILVERADO 1500 PICKUP: (8 cylinder, LH front under battery)
• ✔ 2000 TAHOE: (Silverado style, LH front below battery)
• ✔ 2000 YUKON: (exc. Denali, LH front under battery)
• ✔ 2000 SUBURBAN 1500 / 2500: (LH front under battery)
• ✔ 2000 YUKON XL 1500 / 2500: (LH front under battery)
• ✔ 1999-2002 CAMARO: (5.7L, behind RH strut tower)
• ✔ 1999-2002 FIREBIRD: (5.7L, behind RH strut tower)
• ✔ 1999-2000 CORVETTE: (RH engine compartment)