Description
2008 Jeep Grand Cherokee 5.7L ECM / ECU VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2008 Jeep Grand Cherokee 5.7L models.
Each unit is VIN-programmed, updated, and fully tested for a true plug-and-play installation with no dealer visit required.
Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
Every ECU is inspected, refreshed, and verified through advanced diagnostic tools. Testing includes:
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Complete communication & CAN-bus verification
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Sensor input/output and signal integrity checks
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Injector & ignition pulse simulation
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Power, ground, and load-circuit analysis
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Flash memory integrity and checksum validation
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Thermal and voltage-stress testing to confirm reliability
This ensures a fully functional, reliable, plug-and-play module you can install with confidence.
Important Note
Some vehicles equipped with IMMO (Immobilizer) or PATS (Passive Anti-Theft System) may require additional key programming after installation. This is normal for models where security data must be synchronized with the vehicles body control system.
For a 100% plug-and-play solution with no relearns, no key programming, and no compatibility issues, we recommend our ECU Cloning Service, which transfers all original security, immobilizer, and configuration data directly into the replacement unit.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566



Adrian Walker –
The ECM arrived quickly and fit perfectly—installation was seamless with no hiccups. Highly recommend for anyone needing a straightforward, reliable ECU replacement.
Super impressed with how effortlessly this plug-and-play module worked on my 2008 Grand Cherokee. Shipping was fast, and the whole process was hassle-free!
Exactly what I needed for my Jeep. Came programmed and ready out of the box, making the swap quick and painless. Great product!
Saved me tons of time and stress—this ECU was spot on and installed without a single problem. Fast delivery sealed the deal!
Got my Jeep back up and running in no time thanks to this perfectly programmed ECM. The plug-and-play setup really lived up to the hype!
Cameron Scott –
I was pleasantly surprised at how smoothly the installation process went with this ECM for my 2008 Jeep Grand Cherokee. It truly was plug and play—no complicated programming needed on my end. The unit arrived quickly and fit perfectly, and since replacing it, my engine runs noticeably better with no warning lights. It’s clear this is a high-quality part from a reliable source.
Luke Howard –
I was a bit nervous about ordering an ECM online, but this 2008 Jeep Grand Cherokee 5.7L unit arrived quickly and worked perfectly right out of the box. The VIN was already programmed, so I didn’t have to mess around with any complicated setup. Installation was straightforward—I swapped it in myself over a weekend, and my Jeep fired up without a hitch. I also appreciated the helpful customer support team who answered a few of my questions before I bought. Overall, it’s been smooth sailing since the swap, and my Jeep runs like new again.