If the check engine light and running issues are caused by a faulty PCM, this part is the correct solution. However, it is always essential to have your vehicle properly diagnosed to ensure the PCM is the root cause of the problem before ordering.
They won’t account for your engine, transmission, or factory options, leading to a cascade of new problems. Our process of programming this2004 Yukon XL 2500 PCM 12586242 to your exact VIN is the single most critical step in ensuring a successful repair.
This unit is your direct-fit, hassle-free solution. This ensures perfect compatibility and optimal performance, right out of the box. As a technician, I’ve seen countless 2004-era GM trucks and SUVs with baffling electronic gremlins.