Restore Your Jeep’s Performance and Reliability
If you’re dealing with frustrating issues like random stalling, a persistent check engine light, or a vehicle that refuses to start, a failing Engine Control Module (ECM) is often the culprit. I’ve spent countless hours in the bay tracing wires and running diagnostics, and I can tell you that for the 2007-2010 Jeep Patriot, Compass, and Dodge Caliber, the ECM is a common failure point. This isn’t just a replacement part; it’s a direct solution to get your vehicle running smoothly again, without the astronomical dealership fees for programming.
This module, part number 68043261AC, arrives at your doorstep fully programmed to your vehicle’s specific VIN and mileage. This means the complex and costly step of flashing the computer is already done for you. It’s a true plug-and-play fix designed for both professional technicians who need a reliable part fast and DIY enthusiasts who want to tackle the job themselves over the weekend. We eliminate the guesswork so you can focus on the installation.
A Technician’s Notebook: The Intermittent No-Start
I had a 2009 Patriot towed in that was giving the owner fits. It would start fine for a week, then suddenly refuse to crank for a day. The owner had already replaced the battery and starter. Diagnostics showed no communication with the PCM (Powertrain Control Module) during the no-start events. After confirming power and ground to the module were solid, we knew the internal logic of the original ECM was failing intermittently. Swapping in a pre-programmed unit like this one had the Patriot starting reliably on the first try, every time. It saved the customer from chasing phantom electrical gremlins for weeks.
Is Your Patriot’s Brain Failing?
A faulty ECM can manifest in ways that mimic other component failures. Before you start replacing sensors and pumps, check if your vehicle is showing these classic signs of a bad 2007-2010 Patriot Engine Computer:
- ✔ Unexplained Check Engine Light (CEL) with codes like P0601, P0605, or P0606.
- ✔ Vehicle cranks but refuses to start.
- ✔ Intermittent stalling, especially when warm or at idle.
- ✔ Rough running, poor acceleration, and decreased fuel economy.
- ✔ Communication errors with diagnostic scan tools.
- ✔ Seemingly random electrical issues or warning lights.
- ✔ Harsh or incorrect automatic transmission shifting.
Simple Swap: Your Installation Guide
Installing your pre-programmed 2007-2010 Patriot Engine Computer is a straightforward process. While specific locations can vary slightly, this general guide will get you through it.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Locate the ECM: On most Jeep Patriots and Compasses, the ECM is located in the engine bay, typically mounted to the firewall or inner fender.
- Disconnect the Connectors: Carefully unclip the wiring harness connectors from the old ECM. These usually have a locking tab that needs to be pressed or lifted. Avoid pulling on the wires themselves.
- Remove the Old Module: Unbolt the old ECM from its mounting bracket. There are typically a few 8mm or 10mm bolts holding it in place.
- Install the New ECM: Mount your new, pre-programmed ECM onto the bracket and secure it with the bolts.
- Reconnect Everything: Firmly plug the wiring harness connectors into the new module until they click into place. Reconnect the negative battery terminal.
- Final Check: Turn the key to the ‘On’ position for 15 seconds before starting the engine. This allows the systems to initialize. Start the vehicle and check for proper operation.
Verified Vehicle Compatibility
This engine computer is a direct-fit replacement for a wide range of vehicles, ensuring proper function and communication. Please verify your vehicle is on this list. This module is compatible with numerous part numbers, including 05150471AA, 68043260AC, 68028201AC, and many more.
JEEP COMPASS: 2007-2010 (All engine options)
DODGE CALIBER: 2007-2008 (All engine options)
DODGE CALIBER: 2009 (1.8L, 2.0L Gasoline, 2.4L with engine opt ED3)
DODGE CALIBER: 2010 (2.0L, 2.4L)
Frequently Asked Questions
Does this computer really come ready to install?
Yes. We program the module with the VIN and mileage you provide during checkout. It arrives ready for a plug-and-play installation with no further programming required.
Where do I provide my VIN and mileage?
You can enter your vehicle’s VIN and current mileage during the checkout process. Please double-check it for accuracy to ensure perfect programming.
What if my original part number isn’t 68043261AC?
That’s okay. This ECM is compatible with a long list of alternate part numbers. As long as your vehicle model and year are listed in our compatibility chart, this module will work for you.
Will this fix my specific problem?
This part is a direct solution for a failed ECM. If your vehicle has been properly diagnosed with a faulty engine computer (e.g., has codes like P0601), this will resolve the issue. It will not fix problems related to other failing mechanical or electrical parts.
Is this difficult to install myself?
For most DIYers with basic hand tools, this is a very manageable job. The most important parts are disconnecting the battery first and being gentle with the wiring connectors. Since no programming is needed, it’s a simple swap.