Restore Peak Performance to Your Jeep, Dodge, or Chrysler
Is your Jeep Compass, Patriot, or Dodge Caliber suddenly stalling, refusing to start, or showing a persistent check engine light? These frustrating and often intermittent issues can point directly to a failing Engine Control Module (ECM), the central computer of your vehicle. As a technician with over two decades of experience, I’ve seen how a faulty ECM can cause a cascade of confusing problems, from poor fuel mileage to erratic transmission shifting. This isn’t just an inconvenience; it’s a reliability issue that can leave you stranded. This is the definitive, hassle-free solution to get your vehicle running dependably again.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We handle the complex part for you by programming this 2007-2010 Compass Engine Computer to your vehicle’s specific VIN and mileage before it even ships. This means no expensive trips to the dealership, no need for specialized scan tools, and no frustrating programming procedures. It’s a true plug-and-play fix designed for both professional mechanics who value efficiency and DIY enthusiasts who want a job they can confidently complete in their own garage.
A Technician’s Notebook: The Phantom No-Start
I remember a 2009 Jeep Patriot that came into the bay on a tow truck. The owner was frustrated; it would run fine for weeks, then suddenly refuse to start. The battery was good, the starter was fine, and there were no obvious codes at first. After a few cranks, a P0601 (Internal Control Module Memory Check Sum Error) would pop up and then disappear. This kind of intermittent, heat-related failure is classic for the internal processors on these ECMs. We could have spent hours chasing phantom wiring issues, but experience pointed straight to the module. We installed a pre-programmed ECM, and the Patriot fired up on the first try and never had the issue again. This part saves hours of diagnostic headaches.
Is Your Vehicle Showing These Signs of PCM Failure?
- ✔ Check Engine Light is on with codes like P0601, P0606, or U0100.
- ✔ The engine cranks but refuses to start.
- ✔ Unexplained stalling or rough idling, especially when warm.
- ✔ Noticeable decrease in fuel economy.
- ✔ The automatic transmission is shifting erratically or harshly.
- ✔ Communication errors with your diagnostic scan tool.
- ✔ Apparent loss of spark or fuel injector pulse.
A Straightforward Guide to Your PCM Installation
- ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes to ensure the system is fully discharged.
- ✔ Locate the ECM: On most of these models, the ECM is located in the engine bay, typically mounted to the firewall or an inner fender.
- ✔ Disconnect Connectors: Carefully unclip the wiring harness connectors from the old module. They often have locking tabs that need to be depressed or slid. Do not force them.
- ✔ Remove the Old Module: Unbolt the old ECM from its mounting bracket. Keep the hardware, as you may need it for the new installation.
- ✔ Install the New Module: Mount your new, pre-programmed 2007-2010 Compass Engine Computer and securely fasten it.
- ✔ Reconnect Everything: Firmly plug the wiring harness connectors into the new module until they click into place. Reconnect the negative battery terminal.
- ✔ Final Step: Start the engine. The vehicle will perform a brief relearn process. Let it idle for a few minutes, and you’re ready to drive!
Verified Vehicle Compatibility
This module is a direct-fit replacement for a wide range of vehicles, ensuring broad compatibility. Please verify your vehicle and options below. This unit is compatible with and replaces a long list of part numbers, including 05150471AA, 68043260AB, 68043261AC, and many more listed in the specifications.
- ✔ 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, 2.4L with engine opt ED3)
- ✔ Dodge Caliber: 2010 (Electronic Control Module; 2.0L, 2.4L)
Absolutely not. This engine computer arrives fully programmed to your vehicle’s VIN and mileage. The process is 100% plug-and-play, requiring no special tools or dealer intervention.
You will be prompted to enter your vehicle’s VIN and current mileage during the checkout process. This information is essential for us to program the module correctly for your vehicle.
This module is the definitive solution for internal processor failure codes like P0601, P0606, and other related processor faults. If you have other codes, ensure you have diagnosed those issues first, as this module will not fix a bad sensor or wiring problem elsewhere.
Yes. This ECM is compatible with a wide range of original part numbers, as manufacturers often update them over time. Please check the detailed compatibility list to confirm your part number is included.
Installation is straightforward. You will typically only need basic hand tools, such as a socket set and ratchet, to disconnect the battery and unbolt the module from its bracket. No special electronic tools are needed.