Introducing our OEM Engine Computer, also known as the Engine Control Module (ECM), Engine Control Unit (ECU), or Powertrain Control Module (PCM), for the 1999 Jeep Grand Cherokee 4.7L V8. This is a guaranteed direct replacement for all 1999 Jeep Grand Cherokee models equipped with the 4.7L V8 engine and matching part number 56041610.
Programmed to Your VIN — Plug & Play
Every module ships fully programmed to your vehicle’s exact VIN with the latest factory software updates already installed. It arrives ready to install with no dealer visit and no additional programming required — simply plug it in and drive.
Tested In-House by Certified Technicians
Each unit is individually inspected, fully refurbished, and quality-control tested in-house by our ASE-certified technicians to meet or exceed OEM specifications. Our testing addresses common 1999 Grand Cherokee PCM issues including no-start conditions, stalling, rough idle, communication faults, and a check engine light that returns after clearing.
Fitment: 1999 Jeep Grand Cherokee 4.7L V8 (WJ platform)
Fits the 4.7L V8 in Laredo and Limited trims on the WJ platform. Because every unit is VIN-programmed before shipping, it is an exact match for your specific vehicle.
Compatible Part Numbers
This module replaces the following OEM service and hardware numbers. Match the number on your existing unit to confirm fitment:
56041610, 56041610AB, 56041610AC, 56041610AD
Why Buy From Clifford Auto Parts
- Lifetime Warranty on every module
- Free US Shipping — no hidden fees
- No Core Charge — keep your old unit
- VIN-Programmed and updated, ready to install
Not sure if your part number matches? Call us at (516) 494-7838 and we’ll confirm the correct module for your exact vehicle in minutes.

