Restore Peak Performance to Your Jeep
Is your 2005 or 2006 Jeep Grand Cherokee suffering from frustrating and unpredictable issues like stalling, a persistent check engine light, or a complete no-start condition? A failing Engine Control Module (ECM) is often the hidden culprit behind these problems, leaving you stranded and searching for a reliable solution. This replacement ECM is the definitive answer, arriving at your door fully programmed to your vehicle’s specific VIN and mileage. It’s a true plug-and-play fix that gets your capable SUV back on the road and running exactly as it should, without a costly trip to the dealership.
Common Symptoms & Your Solution
If you’re experiencing any of the following, our pre-programmed 2005-2006 Jeep Grand Cherokee ECM is the solution you’ve been looking for:
- Erratic engine performance, including rough idling or stalling
- Poor fuel economy and loss of power
- Check Engine Light (CEL) with communication-related Diagnostic Trouble Codes (DTCs) like P0601, P0605, or P0606
- Transmission shifting problems or harsh engagement
- Intermittent or complete no-start situations
- Unexplained electrical issues affecting other vehicle systems
Features & Benefits
- ✔ Plug & Play Installation: This unit arrives pre-programmed to your specific VIN. No additional flashing or dealer intervention is required. Simply install the module, and you’re ready to go.
- ✔ Guaranteed Compatibility: A direct replacement for a wide range of part numbers including 05094895AB, 05094898AA, 05094898AC, 05094898AD, 05094898AE, 05094898ZB, 56044742AC, 56044742AD, and 05094898AF.
- ✔ Restores Original Function: Corrects issues caused by a faulty computer, restoring proper engine timing, fuel delivery, and transmission control for a smooth, reliable ride.
- ✔ Cost-Effective Repair: Save hundreds of dollars by avoiding the high costs of a new part and programming fees at a dealership.
- ✔ Peace of Mind: This unit is backed by our one-year replacement warranty.
From the Technician’s Bench: The Elusive Electrical Gremlin
We recently worked with a Grand Cherokee owner who was at his wit’s end. His Jeep would randomly stall at stoplights and occasionally refuse to start. He had replaced the battery, alternator, and crankshaft position sensor with no success. A scan tool would show no communication with the powertrain module. This is a classic sign that the ECM itself is failing. Once he installed our pre-programmed 2005-2006 Jeep Grand Cherokee ECM, the communication was instantly restored, and all the phantom issues vanished. It’s a reminder that the ECM is the brain of your vehicle, and when it fails, the symptoms can be widespread and confusing.
Frequently Asked Questions
What does ‘Plug & Play’ actually mean?
It means the engine computer comes fully programmed with your vehicle’s specific Vehicle Identification Number (VIN) and the latest software updates. All you have to do is disconnect the battery, physically swap the old module with this one, and reconnect the battery. No special tools or trips to a mechanic for programming are necessary.
How do I provide my VIN?
You will be prompted to enter your VIN during the checkout process. Please double-check it for accuracy, as this information is critical for programming the module correctly for your Jeep.
Will this fix my Jeep’s security system (SKIM)?
Yes. When we program the ECM to your VIN, we ensure it correctly syncs with your vehicle’s existing anti-theft and immobilizer system (SKIM/Sentry Key). This is a critical step that ensures your keys will work and the vehicle will start without any security-related issues.
Do I need to send my old ECM back?
No core charge or return is required for this part. You can keep or responsibly recycle your old module.
Is this compatible with my 2WD Grand Cherokee?
This specific part is programmed and configured for the 4×4 models of the 2005-2006 Grand Cherokee with the 3.7L engine. Please ensure your vehicle matches these specifications for proper function.
How can I be sure the ECM is my problem?
While this part solves many issues, it’s always best to have a proper diagnosis performed. Common signs of ECM failure include communication error codes (like P0601), multiple unrelated sensor codes appearing at once, or a complete lack of communication with a diagnostic scan tool. If you’ve ruled out wiring and sensor issues, the ECM is the most likely cause.