Skip to product information
2017-2022 GM Duramax 6.6L ECM PCM Engine Computer VIN Programmed L5P
$499.99
Sale price
$499.99
Regular price
$519.99
VIN PROGRAMMED ENGINE CONTROL MODULE SERVICE FOR Duramax LMM/LML Diesel ECM/PCM (2017-2022)
(Duramax L5P Diesel - Part # 12683624)
⚠️ PLEASE NOTE: THIS IS A VIN-PROGRAMMED REPLACEMENT MODULE. You are
purchasing a professionally remanufactured Engine Control Module that
we program to YOUR vehicle's exact VIN, engine, and transmission
combination before it ships. You do not send us anything — this unit
arrives ready to install.
After purchase, send us your 17-digit VIN through our "Contact" page.
Common Symptoms This Service Fixes:
- Check engine light with communication or internal module fault codes
- No-start / no-crank condition
- Rough idle, stalling, or misfire not tied to a mechanical issue
- Poor fuel economy from erratic engine management
- Scan tool cannot communicate with the ECM
🚘 Vehicles Covered by This Listing
-
2017-2022 Cehvrolet Silverado 2500HD/3500HD (L5P 6.6L Duramax)2017-2022 GMC Sierra 2500HD/3500HD (L5P 6.6L Duramax)
Engine and transmission combination varies by production date — please
message us your VIN before ordering so we can confirm exact fitment.
📦 How This Service Works
1. Purchase the Listing
2. Send Your VIN
3. Professional Programming (3-4 business days)
4. Fast Trackable Shipping
🔒 Our Warranty & Guarantee
This module includes a 1 Year Warranty covering the part and
professional VIN programming. If your module ever fails under normal
operating conditions, we will replace it completely free of charge.