Description
2008 Cadillac DTS 4.6L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2008 Cadillac DTS 4.6L 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 vehicle’s 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
Samuel Parker –
This ECM arrived quickly and was exactly what I needed for my 2008 Cadillac DTS. The VIN programming saved me a lot of hassle, and installation was straightforward with no extra tuning required. My car started up perfectly, and it’s been running smoothly ever since. Definitely a reliable and hassle-free purchase for anyone needing a replacement ECU.
Justin Moore –
Arrived quickly and worked perfectly right out of the box—exactly what I needed for my 2008 DTS. Installation was a breeze with no hiccups!
Oliver Brown –
I was a bit nervous about replacing the ECM on my 2008 Cadillac DTS, but this unit arrived perfectly programmed for my VIN, which made installation so simple. It was truly a plug-and-play experience—I had it swapped out in under an hour with no hiccups. The shipping was surprisingly fast, and I appreciated how well-packaged everything was. Since the swap, my car runs smoother than it has in years, with no engine warning lights or issues. Definitely a stress-free way to get my Cadillac back on the road without any guesswork.