2003 Express 2500 Engine Control Module 88864822 Programmed To Your VIN VIN PCM ECM ECU

Restore Your Van’s Drivability!

Get your 2003 Express 2500 running like new with this direct-fit Powertrain Control Module. It arrives pre-programmed to your VIN with the latest GM software, ensuring a simple installation and restored engine performance. Order today to eliminate frustrating drivability issues!

$134.95

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 590-06724-152 Categories: ,
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Is your 2003 Chevrolet Express 2500 Van running rough, shifting erratically, or failing to start? The Powertrain Control Module (PCM) is the central command center for your vehicle’s engine and transmission. When it fails, it can cause a wide range of frustrating and difficult-to-diagnose issues. This direct-fit replacement PCM, part number 88864822, is the definitive solution to restore your van’s performance, reliability, and efficiency.

The PCM is responsible for interpreting data from dozens of sensors throughout your vehicle. It uses this information to precisely control fuel injection, ignition timing, transmission shift points, and emissions systems. Over time, heat, vibration, and electrical surges can damage the sensitive internal components, leading to a cascade of performance problems. Simply swapping in a used module from a junkyard is not a viable solution, as it won’t be calibrated for your van’s specific options and will trigger the anti-theft system. Our solution eliminates this guesswork and complexity.

From the Diagnostic Bay

We had a 2003 Savana 2500 (a sister vehicle to the Express) come into the shop with a persistent P0300 Random Misfire code. The owner had already replaced the spark plugs, wires, cap, and rotor, but the rough idle and check engine light kept coming back. After hours of diagnostics, we traced the issue to a failing ignition coil driver inside the original PCM. It wasn’t providing a consistent signal, causing the intermittent misfires. Installing a properly programmed PCM like this one solved the problem instantly. It’s a reminder that sometimes the root cause lies within the vehicle’s computer, not just the mechanical parts.

Common Symptoms of a Failing PCM

If your van is experiencing any of the following issues, a faulty PCM could be the culprit. Replacing it can restore your vehicle’s proper operation and get you back on the road with confidence.

  • ✔ Unexplained Check Engine Light (with codes pointing to various sensor failures or communication errors)
  • ✔ Rough or erratic engine idle
  • ✔ Poor fuel economy
  • ✔ Harsh or delayed transmission shifting
  • ✔ Engine stalling or hesitation during acceleration
  • ✔ Complete no-start condition where the engine cranks but won’t fire
  • ✔ Failure to communicate with a diagnostic scan tool
  • ✔ Inconsistent performance that gets worse as the engine warms up

Why a Pre-Programmed 2003 Express 2500 PCM is Essential

This isn’t just a part; it’s a complete plug-and-play solution. Each module is meticulously programmed to your specific Vehicle Identification Number (VIN) before it ships. This critical step ensures that the PCM has the correct software and calibrations for your van’s engine, transmission, and factory options. Furthermore, we load the latest GM-released software updates, which can resolve common drivability issues and improve overall performance and efficiency beyond what your original module offered. This VIN-specific programming is essential for:

  • Proper Engine and Transmission Function: Ensures all components work in harmony as the manufacturer intended.
  • Anti-Theft System Compatibility: The module is matched to your vehicle, preventing a no-start situation caused by a security mismatch.
  • Emissions Compliance: Correct software is crucial for passing state emissions inspections.
  • Plug-and-Play Installation: Eliminates the need for expensive trips to the dealership for programming after the part is installed.

This module is a direct replacement for a wide range of GM trucks and vans from the 2003-2004 model years, including the Chevrolet Silverado, GMC Sierra, Suburban, Yukon, and more. It replaces multiple service numbers, including 12581565, 12570557, 12576106, and 89017733, making it a versatile and reliable choice for your repair.

Frequently Asked Questions

Do I need to get this module programmed?

No. This module comes fully programmed to your vehicle’s specific VIN. After you place your order, you will need to provide us with your VIN. We handle all the programming before shipping it to you.

Will this fix my check engine light?

If the check engine light is on due to a faulty PCM, then yes, this part will resolve the issue. However, it’s crucial to ensure the PCM is the actual cause of the problem. We recommend a proper diagnosis to rule out failed sensors or wiring issues first.

Is any special procedure needed after I install it?

In many cases, it is a simple plug-and-play installation. However, some GM vehicles may require a security relearn procedure (also known as a CASE relearn) to sync the new PCM with your vehicle’s anti-theft system. This procedure can typically be performed without special tools and instructions are widely available online.

Where is the PCM located on my 2003 Express Van?

On the 2003 Express and Savana vans, the Powertrain Control Module is typically located in the engine compartment, on the driver’s side, often near the battery or air filter housing.

How do I provide my VIN?

After completing your purchase, you will receive instructions on how to send us your 17-digit Vehicle Identification Number (VIN). We cannot ship your part until we receive this information.

Conditions & Options

Programmed to your VIN GM: 12576106

Year

Genuine OEM

Yes

MPN

88864822

Interchange part number

Condition

Refurbished

Model

express 2500

Year

2003

Brand

GM

Manufacturer Part Number

, , , , , , , , ,

GTIN

Does not apply

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