2003 Express 1500 Engine Control Module IS 8125815650 Programmed To Your VIN VIN PCM ECM ECU

Restore Your Van’s Performance Instantly

Get your 2003 GM vehicle running like new with our VIN-programmed Powertrain Control Module. This PCM arrives flashed with the latest factory software, eliminating the need for a costly dealership visit. Order today to restore optimal engine function and fuel efficiency.

$134.95

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 590-06724-195 Categories: ,
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Is Your GM Vehicle Running Rough? The PCM Might Be the Culprit.

If your 2003 Chevrolet Express 1500 Van, GMC Savana, or other compatible GM vehicle is experiencing frustrating issues like a persistent Check Engine Light, erratic shifting, poor fuel economy, 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, a faulty PCM can cause a cascade of performance problems that can be difficult to diagnose. This replacement module, part number IS 8125815650, is the definitive solution to restore your vehicle’s reliability and performance.

From the Diagnostic Bay

I once had a 2003 Silverado with the 8.1L come in with a complaint of harsh, unpredictable transmission shifts. The owner had already replaced the transmission fluid, filter, and two shift solenoids with no improvement. After hooking up the scan tool, I noticed the PCM was commanding shifts at the wrong time and losing communication intermittently. Instead of a costly transmission rebuild, we installed a VIN-programmed PCM. The truck immediately started shifting like it just rolled off the factory floor. It’s a classic case of the vehicle’s ‘brain’ causing physical symptoms, and it highlights why starting with the central controller is often the right move.

Common Symptoms of a Failing PCM

  • ✔ Persistent Check Engine Light (CEL) with various trouble codes.
  • ✔ Engine stalling, misfiring, or running rough.
  • ✔ Noticeable decrease in fuel efficiency.
  • ✔ Harsh or erratic automatic transmission shifting.
  • ✔ Vehicle fails to start, or starts intermittently.
  • ✔ Communication errors when using a diagnostic scan tool.
  • ✔ Failure to pass state emissions testing.

The Plug-and-Play Solution: A Programmed 2003 Express 1500 Van PCM

Don’t waste time and money at a dealership. We take the hassle out of the replacement process. When you purchase this module, we use the Vehicle Identification Number (VIN) you provide to flash it with the latest, most stable software updates directly from GM. This ensures that your new 2003 Express 1500 Van PCM is perfectly matched to your vehicle’s specific configuration, including engine size, transmission type, and factory options. It arrives at your door ready for a straightforward installation, getting you back on the road quickly and confidently.

This module is a direct replacement for a wide range of service numbers, including: 12581565, IS 8125815650, 12570557, 12570558, 12576106, 12576869, 12578127, 8125781270, 88864822, and 89017733. It is compatible with an extensive list of 2003 and 2004 GM trucks, vans, and even performance cars, making it a versatile and reliable choice for your repair needs.

Installation is typically simple, involving disconnecting the battery, unplugging the electrical connectors from the old PCM, removing it, and installing the new one in its place. While the unit is programmed for your vehicle, some GM models may require a simple, key-on security relearn procedure, which can be done without any special tools and takes only about 30 minutes.

Frequently Asked Questions

2003 Express 1500 Van PCM

Will this fix my vehicle’s specific issue?
If your vehicle’s problems are caused by a faulty PCM, this part is the correct solution. Our VIN-specific programming ensures that software-related glitches are resolved, and the reliable hardware restores proper engine and transmission management. This is the right part to fix a bad .

Conditions & Options

Programmed to your VIN GM: 12576106

Year

Genuine OEM

Yes

MPN

is-8125815650

Interchange part number

Condition

Refurbished

Model

express-1500

Year

2003

Brand

GM

Manufacturer Part Number

, , , , , , , , ,

GTIN

Does not apply

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