Restore Your Vehicle’s Core Performance and Reliability
If you’re dealing with frustrating engine problems in your Jeep Patriot, Compass, or Dodge Caliber, the root cause is often the very brain of the operation: the Engine Control Module (ECM), also known as the Powertrain Control Module (PCM). A failing computer can lead to a cascade of issues, from a simple check engine light to a vehicle that refuses to start. I’ve seen it countless times in my 20+ years in the shop—intermittent stalling, erratic shifting, and confusing diagnostic codes that all point back to a faulty ECM. This isn’t just an inconvenience; it’s a critical failure that sidelines your vehicle.
We offer a straightforward, reliable solution. This replacement 2007-2010 Patriot Engine Computer arrives at your doorstep fully programmed to your vehicle’s specific VIN and mileage. This means no expensive trips to the dealership for flashing, no special diagnostic tools required, and no complex procedures. It’s a true plug-and-play fix designed to get you back on the road with confidence and minimal downtime.
From the Diagnostic Bay: The Phantom No-Start
A 2009 Patriot came into my bay on a tow truck. The owner had replaced the battery, alternator, and starter, but it still had an intermittent no-crank, no-start condition. The codes were all over the place—U0100 (Lost Communication with ECM/PCM), P0606 (ECM/PCM Processor Fault), and a few others that would come and go. After verifying the power and ground circuits to the PCM were solid, we knew the internal processor was failing. We installed a pre-programmed module just like this one, and the vehicle fired up on the first try. It’s a classic case where chasing parts gets expensive, but addressing the core logic solves the problem for good.
Telltale Signs of a Failing Engine Computer
Is your vehicle’s computer the source of your headaches? A failing ECM can manifest in various ways. If you’re experiencing any of the following, a faulty module is a likely culprit. Pay close attention to communication codes, as they are a strong indicator.
- âś” Check Engine Light is illuminated with codes like P0601, P0605, or P0606.
- âś” Vehicle will not start or is very difficult to start.
- âś” Stalling or sputtering, especially after the engine warms up.
- âś” Poor fuel economy and noticeable loss of power.
- âś” Automatic transmission shifting erratically or harshly.
- âś” Communication errors with your scan tool, or codes like U0100 appearing.
- âś” Seeming failure of multiple sensors at once.
A Straightforward Guide to Your ECM Installation
Installing your pre-programmed 2007-2010 Patriot Engine Computer is a job most DIYers can handle with basic tools. The key is taking your time and ensuring a clean, secure connection. Following these steps will help ensure a smooth installation process.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait at least 10-15 minutes to allow the system to fully discharge.
- Locate the ECM: On most Patriot, Compass, and Caliber models, the ECM is located in the engine bay, typically mounted to the firewall or inner fender. It’s a metal box with several large electrical connectors.
- Disconnect the Connectors: Carefully release the locking tabs on each wiring harness connector and pull them straight out from the module. Avoid pulling on the wires themselves. Inspect the pins for any corrosion or damage.
- 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 Module: Mount your new, pre-programmed ECM securely onto the bracket. A loose module can be damaged by engine vibration.
- Reconnect Everything: Firmly plug the wiring harness connectors back into the new module until they click and the locking tabs are engaged. A poor connection is the most common cause of post-installation issues.
- Final Step: Reconnect the negative battery terminal. Your vehicle is now ready to start with its new, fully functional engine computer.
Verified Vehicle Compatibility
This module is a direct-fit replacement for a wide range of Jeep and Dodge vehicles. We guarantee compatibility if your vehicle and original part number are listed below. This part, 68026147AC, replaces numerous other part numbers, ensuring a broad application.
Compatible Models:
- âś” 2007-2010 Jeep Patriot (Electronic Control Module)
- âś” 2007-2010 Jeep Compass (Electronic Control Module)
- âś” 2007-2008 Dodge Caliber (Electronic Control Module)
- âś” 2009 Dodge Caliber (Electronic Control Module; 1.8L, 2.0L gasoline, or 2.4L with engine opt ED3)
- âś” 2010 Dodge Caliber (Electronic Control Module; 2.0L or 2.4L)
This part is a direct replacement for the following 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.
Don’t let a faulty computer keep your vehicle off the road. This pre-programmed 2007-2010 Patriot Engine Computer is the most efficient and cost-effective way to restore your vehicle’s performance and eliminate those persistent electronic gremlins.