For sale is an OEM engine computer (ECM/PCM) removed from a 2000 Jeep Wrangler 4.0L. This is the factory Engine Control Module / Powertrain Control Module with part number P56041 653AG. It is designed for the 4.0L inline-6 engine commonly found in the Jeep Wrangler. The unit is being sold untested due to lack of proper testing equipment, so functionality cannot be guaranteed. It is in used condition with normal wear from age and removal