Restore Your Jeepโs Performance and Reliability
Is your 2005-2006 Jeep Grand Cherokee suffering from frustrating and unpredictable engine problems? A faulty Engine Control Module (ECM) can cause everything from poor fuel economy and stalling to a complete no-start condition, leaving you stranded and stressed. This pre-programmed engine computer is the definitive solution to get your trusted SUV back on the road, running exactly as it should. We handle all the complex programming for you, delivering a true plug-and-play module that eliminates the need for an expensive trip to the dealership.
Common Symptoms & Your Solution
If you’re experiencing any of the issues below, a failing engine computer is the most likely culprit. This unit is designed to be the direct, permanent fix for these problems in your Grand Cherokee:
- Intermittent or complete failure to start
- Engine stalling or shutting off while driving
- Poor acceleration and loss of power
- Drastically reduced fuel efficiency
- Check Engine Light with communication error codes (e.g., U0100)
- Erratic shifting or transmission performance issues
- Apparent issues with fuel injectors or spark control
Don’t let a bad module dictate when and where you can drive. Installing this replacement 2005-2006 Jeep Grand Cherokee 3.7L ECM restores the critical communication between your engine’s sensors and systems, bringing back the dependable performance you rely on.
Features & Benefits
- โ True Plug & Play Installation: This unit arrives fully programmed to your vehicle’s specific VIN and mileage. No extra computers or dealer visits are required.
- โ Solves Complex Electrical Issues: Engineered to resolve common failure points that cause stalling, misfires, and communication errors.
- โ Guaranteed Compatibility: This module is a direct replacement for a wide range of part numbers, ensuring a perfect fit and function. See the list above for all compatible parts.
- โ Cost-Effective Repair: Save hundreds of dollars compared to sourcing and programming a new unit from a dealership.
- โ Built for Durability: Each component is inspected to ensure it meets or exceeds original equipment standards for long-term reliability.
- โ Peace of Mind Included: This unit is backed by our one-year replacement warranty.
Expert Insight: Why These Jeep ECMs Fail
As a technician who has worked on countless WK-generation Grand Cherokees, I’ve seen this issue time and again. The ECM is located in the engine bay, where it’s constantly exposed to intense heat cycles and engine vibration. Over 15+ years, this environment can cause microscopic cracks in the circuit board’s solder joints, leading to the intermittent and frustrating problems you’re likely facing. Itโs not a matter of if, but when the original unit will fail. Our solution provides a reliable replacement that gets your vehicle’s brain functioning correctly again, so you can trust your Jeep for the long haul. Getting a pre-programmed 2005-2006 Jeep Grand Cherokee 3.7L ECM is the smartest way to fix it right the first time.
Frequently Asked Questions
What information do you need from me?
We require your vehicle’s 17-digit Vehicle Identification Number (VIN) and the current mileage to program the module. Please provide this information during checkout to ensure a seamless plug-and-play experience.
Is this really a “Plug & Play” part?
Absolutely. “Plug & Play” means we handle all the necessary flashing and programming before the part is shipped to you. Once you receive it, you simply disconnect the battery, swap the old module with the new one, reconnect the battery, and start the vehicle. No further programming is needed.
Where is the ECM located on my 2005-2006 Grand Cherokee?
The Engine Control Module is located in the engine compartment, on the passenger side (RH side), near the firewall. It is a silver metal box with three large electrical connectors.
Will this fix my check engine light?
If the check engine light is caused by an internal failure of the ECM or related component circuits it controls, then yes, this part will resolve the issue. We always recommend having the codes professionally scanned to confirm the diagnosis before ordering a replacement 2005-2006 Jeep Grand Cherokee 3.7L ECM.
Do I need to have my keys reprogrammed?
No. Our programming process ensures the module works with your existing keys, so you will not need to worry about any additional security or key programming.