Electrical · 10 parts listed
Used Engine Computers (ECM and PCM) for Sale
Find used ECM and PCM modules for Toyota, Honda, Ford, Chevrolet, Ram, Nissan, Jeep and Hyundai vehicles. Match the part number on your existing module, and plan for programming after installation.
Quick answer
An engine control module (ECM) or powertrain control module (PCM) controls fuel, ignition and emissions, and on many vehicles also the transmission. A replacement module must match the part number on your original unit and usually needs programming to your VIN and immobilizer.
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Don't see your exact part?
Our listings show common applications. Send your VIN and we will search the full warehouse network for your vehicle.
Engine Computers (ECM/PCM) Buying Guide
Does a used ECM need programming?
Almost always. Most modern modules store VIN, immobilizer and calibration data. A dealer or qualified shop programs the module after installation.
How do I find my ECM part number?
The part number is printed on a label on the module housing. Send a photo of the label with your quote request.
What is included?
Modules are sold as the module only. Wiring connectors and brackets are not included unless listed on your quote.
Installation tips
Disconnect the battery before installation and have the module programmed to your vehicle before driving.
Engine Computers (ECM/PCM) FAQ
Can I plug in a used ECM without programming?
Usually not. Most vehicles need the module programmed for the VIN and security system.
What if my part number is different?
Some part numbers are superseded by newer versions. We confirm compatibility before quoting.
Last reviewed: November 9, 2026 by the Hollander Auto Parts parts team