Restore Your Jeep’s Brain and Get Back on the Road
Is your 2007-2010 Jeep Compass, Patriot, or Dodge Caliber suffering from baffling issues like random stalling, a no-start condition, or a persistent Check Engine Light that won’t go away? These are classic signs that the very core of your vehicle’s management system—the Engine Control Module (ECM)—is failing. As a technician with over two decades of experience, I’ve seen how a faulty ECM can turn a reliable vehicle into a source of constant frustration. The ECM is responsible for everything from fuel mixture and ignition timing to transmission shifting. When it falters, the entire vehicle’s performance suffers.
Don’t let a complex repair intimidate you. We’ve eliminated the biggest hurdle: the expensive and time-consuming trip to the dealership for programming. This replacement engine computer, part number 68026147AA, arrives at your doorstep fully programmed to your vehicle’s specific VIN and mileage. This means it’s a true plug-and-play solution. You can restore your vehicle’s performance and reliability right in your own garage, saving you time and hundreds of dollars in labor and programming fees.
A Technician’s Notebook: The Intermittent No-Start Mystery
I remember a 2009 Patriot that came into the shop with a problem that was driving the owner crazy. It would start and run perfectly for weeks, then suddenly refuse to start. No crank, no click, nothing. The battery was new, the starter tested fine, and all the relays were good. After hours of tracing wires, we noticed that when the no-start condition occurred, our scan tool couldn’t communicate with the ECM. It was as if the computer was just… offline. After letting it sit, it would magically start again. This intermittent internal failure of the ECM’s main processor was the culprit. We installed a pre-programmed unit like this one, and the Patriot never had that issue again. It’s a textbook example of how a failing ECM can create ghost-in-the-machine problems.
Diagnosing a Faulty ECM: Key Symptoms to Watch For
A failing engine computer can manifest in numerous ways. If you’re experiencing any of the following, your ECM is a likely suspect. This is especially true if the problems are intermittent or get worse as the engine warms up. A faulty 2007-2010 Compass Engine Computer can be the root cause of many headaches.
- âś” Check Engine Light is illuminated, often with communication error codes like U0100 or internal processor fault codes like P0601, P0605, or P0606.
- âś” The engine cranks but will not start.
- âś” Stalling for no apparent reason, either while driving or at idle.
- âś” Significant drop in fuel economy.
- âś” Harsh or erratic automatic transmission shifting.
- âś” Misfires or rough idle even after replacing spark plugs and coils.
- âś” The cooling fans run constantly or not at all.
A Straightforward Guide to Installation
Installing your pre-programmed ECM is a manageable job for a DIY enthusiast. By taking the programming out of the equation, we’ve made this a simple component swap. Follow these steps for a successful installation:
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes for the system capacitors to discharge.
- Locate the ECM: On most Compass, Patriot, and Caliber models, the ECM is located in the engine bay, typically mounted to the firewall or inner fender.
- Disconnect the Connectors: Carefully release the locking tabs on the electrical wiring harnesses and pull them straight out from the module. Avoid pulling on the wires themselves.
- Remove the Old Module: Unbolt the old ECM from its mounting bracket. There are usually a few 10mm bolts holding it in place.
- Install the New Module: Mount your new, pre-programmed ECM in the same location and secure it with the original bolts.
- Reconnect Everything: Firmly plug the wiring harnesses back into the new module until they click into place. Reconnect the negative battery terminal.
- Final Step: Turn the key to the ‘ON’ position (without starting the engine) for 30 seconds to allow the system to initialize, then start your vehicle. Your issues should be resolved!
Guaranteed Vehicle Compatibility
This module is a direct-fit replacement for a wide range of vehicles, ensuring proper function without any modifications. It is compatible with the original part numbers listed below and is engineered for the following models:
Compatible Part Numbers: 05150471AA, 05150523AA, 68043260AA, 68043260AB, 04692101AD, 04692101AE, 04692101AF, 68043260AC, 68043260AD, 68043261AC, 68043261AA, 68043261AB, 68070011AA, 68071022AA, 05033359AJ, 05187817AF, 68000107AF, 68026147AA, 68026147AC, 68028201AA, 68028201AC, 68028205AB, 68044228AA
- Jeep Compass: 2007, 2008, 2009, 2010 (Electronic Control Module)
- Jeep Patriot: 2007, 2008, 2009, 2010 (Electronic Control Module)
- Dodge Caliber: 2007-2008 (Electronic Control Module)
- Dodge Caliber: 2009 (Electronic Control Module; 1.8L, 2.0L Gasoline, or 2.4L with engine opt ED3)
- Dodge Caliber: 2010 (Electronic Control Module; 2.0L or 2.4L)
Frequently Asked Questions
Frequently Asked Questions
Do I need to do any programming or flashing myself?
No. This is the biggest benefit of our service. The engine computer arrives fully programmed to your vehicle’s VIN and mileage. It is a true plug-and-play installation with no additional dealer visits or special tools required.
Where do I find my VIN?
Your 17-digit Vehicle Identification Number (VIN) can be found on your vehicle’s registration, insurance card, or on the driver’s side of the dashboard, visible through the windshield.
What if my original part number isn’t listed?
Please contact us with your VIN. The provided list covers the most common part numbers, but there may be others. We can verify compatibility for you to ensure you receive the correct part.
Will this fix my specific problem?
This module is a direct solution for failures within the ECM itself. While it resolves the vast majority of issues like no-start, stalling, and communication errors, it’s always best to ensure your vehicle’s wiring, sensors, and other components have been properly diagnosed.
Is this a difficult part to install for a DIYer?
For most individuals with basic hand tools, this is a very straightforward installation. Since the programming is already done, it’s simply a matter of disconnecting the battery, swapping the modules, and reconnecting everything. Our installation guide above provides the key steps.