If you’re dealing with a 2007-2010 Jeep Compass, Patriot, or Dodge Caliber that’s giving you headaches—stalling unexpectedly, refusing to start, or showing a persistent Check Engine Light—the root cause is often a failing Engine Control Module (ECM). As the vehicle’s brain, when the ECM malfunctions, it can create a cascade of confusing and frustrating problems. In my 20+ years as a technician, I’ve seen these exact issues countless times, leaving owners stranded and mechanics chasing phantom electrical gremlins.
This is the definitive, hassle-free solution. This Engine Control Module arrives at your door completely programmed to your vehicle’s specific VIN and mileage. There’s no need for an expensive trip to the dealership or the use of specialized scan tools for programming. It’s a true Plug-and-Play component, designed to get you back on the road quickly and confidently. By providing us with your VIN during checkout, you ensure that the module’s software is a perfect match for your vehicle’s factory settings, restoring original performance and communication between all onboard systems.
Common Signs of a Failing Engine Computer
- ✔ Unexplained stalling or rough idling.
- ✔ Complete no-start condition where the engine cranks but won’t fire up.
- ✔ Check Engine Light is on with internal processor fault codes like P0601, P0606, or P060A.
- ✔ Loss of communication codes, such as U0100, indicating the ECM is not talking to other modules.
- ✔ Poor fuel economy and noticeable decrease in engine power.
- ✔ Intermittent issues that seem to disappear and reappear without a clear pattern.
Case Study: The Phantom No-Start on a 2008 Patriot
A customer brought in a 2008 Jeep Patriot that would randomly fail to start. There was no rhyme or reason—sometimes it was fine for weeks, then it would leave them stranded. They had already replaced the battery and checked the fuel pump. After connecting my diagnostic scanner, I found a stored U0100 ‘Lost Communication with ECM’ code. The module wasn’t completely dead, but it was failing intermittently, a classic sign of internal circuit board failure from heat cycles. We installed a pre-programmed 2007-2010 Compass Engine Computer like this one. The plug-and-play nature meant the job took less than 30 minutes in the bay. The Patriot started reliably every time afterward, resolving a months-long headache with one simple part replacement.
A Straightforward Guide to Installation
- ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- ✔ Locate the ECM: On these models, the ECM is typically found in the engine bay, often mounted to the firewall or inner fender.
- ✔ Disconnect Connectors: Carefully unplug the wiring harnesses from the old ECM. There are usually release tabs that need to be pressed or lifted. Avoid forcing them.
- ✔ Remove the Old Module: Unbolt the old ECM from its mounting bracket. Keep the hardware as you will need it for the new unit.
- ✔ Install the New ECM: Mount your new, pre-programmed ECM onto the bracket and secure it with the original bolts.
- ✔ Reconnect and Finalize: Plug the wiring harnesses firmly into the new module. Reconnect the negative battery terminal. The vehicle is now ready to start with no further programming required.
Verified Vehicle Compatibility
This module is a direct-fit replacement, guaranteed to function correctly on the following vehicles. It is cross-compatible with a wide range of part numbers, ensuring you get the right component for the job.
- ✔ Jeep Compass: 2007, 2008, 2009, 2010
- ✔ Jeep Patriot: 2007, 2008, 2009, 2010
- ✔ Dodge Caliber: 2007-2008 (All Engines)
- ✔ Dodge Caliber: 2009 (1.8L, 2.0L Gasoline, 2.4L with engine opt ED3)
- ✔ Dodge Caliber: 2010 (2.0L, 2.4L)
Replaces Part Numbers: 05150471AA, 05150523AA, 68043260AA, 68043260AB, 04692101AD, 04692101AE, 04692101AF, 68043260AC, 68043260AD, 05150471AA, 05150523AA, 68043261AC, 68043261AA, 68043261AB, 68070011AA, 68071022AA, 05033359AJ, 05187817AF, 68000107AF, 68026147AA, 68026147AC, 68028201AA, 68028201AC, 68028205AB, 68044228AA
Frequently Asked Questions
Do I need to do any programming or flashing?
No. This unit comes fully programmed to your vehicle’s VIN and mileage. It is a true plug-and-play solution, ready for installation right out of the box.
Where do I provide my VIN?
You will be prompted to enter your vehicle’s VIN and mileage during the checkout process. This information is required to program the module correctly.
Will this fix my specific problem?
This part is the solution for issues directly caused by a failing ECM, such as internal processor faults (P0601), communication errors (U0100), and related no-start or severe running problems. Proper diagnosis is always recommended.
Is this a new or used part?
This is a high-quality, tested replacement part that has been prepared with vehicle-specific software to ensure reliable, long-term performance.
What if my original part number is not on the list?
The provided list covers the most common compatible part numbers. If you are unsure about compatibility, please contact us with your VIN and original part number, and our experts will verify the fitment for you.