Is your 2004 GMC Yukon XL 2500 acting up?. After hooking up my scope and monitoring the 5-volt reference signal from the PCM, I saw it drop out randomly. This isn’t just a part; it’s a permanent solution that saves you from chasing ghosts in the machine.
This module is compatible with these part numbers:12586243 89017739. We will need yourcomplete 17 digit VIN in order to program the module.
As a technician with over two decades of experience under the hood, I’ve seen countless drivers chase expensive sensor and fuel system repairs when the root cause was a failing ECM. The owner had already replaced the fuel pump and crankshaft position sensor.
This module is compatible with these part numbers:12586243 89017739. We will need yourcomplete 17 digit VIN in order to program the module.
Service numbers 12586243 ,89017739 ,19299227. Hardware number 12583659. We program ECUs using advanced custom programming systems. There are various service numbers that interchange. The service numbers provided herein are to help you confirm compatibility with YOUR original unit.