End Frustrating Stalls and Check Engine Lights for Good
If you’re dealing with a 2007-2010 Dodge Caliber, Jeep Patriot, or Jeep Compass that’s suddenly stalling, refusing to start, or running rough, the problem often points directly to a failing Engine Control Module (ECM). As the brain of your vehicle’s engine, when the ECM falters, it can cause a cascade of confusing and frustrating issues. This isn’t just an inconvenience; it’s a reliability issue that can leave you stranded. I’ve seen it countless times in my 20+ years in the shop—a perfectly good engine crippled by a faulty computer.
We offer a straightforward, reliable solution. This is a direct-replacement 2007-2010 Caliber Engine Computer that arrives at your doorstep fully programmed to your vehicle’s specific VIN and mileage. This means no expensive trips to the dealership for programming, no special tools, and no guesswork. It’s a true plug-and-play fix designed to get your car back to factory-spec performance and restore your peace of mind.
From the Diagnostic Bay: The Intermittent Gremlin
A customer brought in a 2009 Dodge Caliber with a complaint that stumped a couple of other shops. The car would run fine for days, then suddenly die at a stoplight and refuse to restart for 10-15 minutes. There were no consistent trouble codes, just a history of a U0100 (Lost Communication with ECM) code that would appear and disappear. We checked the wiring, grounds, and power feeds to the ECM—all solid. On a hunch, I gently tapped the ECM housing with a screwdriver handle while the engine was idling. The engine immediately sputtered and died. The thermal stress and vibration over the years had caused an internal failure in the original module that only showed up under specific conditions. Replacing it with a properly programmed unit like this one solved the problem permanently. It’s a classic failure mode for these modules.
Is Your Vehicle Showing These Symptoms?
- âś” Check Engine Light is on with codes like P0601 (Internal Control Module Memory Check Sum Error), P0606 (ECM/PCM Processor Fault), or U0100 (Lost Communication).
- âś” The engine cranks but refuses to start.
- âś” Intermittent stalling, especially after the vehicle has warmed up.
- âś” Noticeable decrease in fuel economy.
- âś” The automatic transmission is shifting erratically or harshly.
- âś” The cooling fans run constantly, even when the engine is cold.
- âś” Communication issues with your OBD-II scan tool.
DIY Installation: A Straightforward Guide
- âś” Safety First: Disconnect the negative terminal from your vehicle’s battery and secure it away from the post to prevent accidental reconnection.
- âś” Locate the ECM: On most Caliber, Patriot, and Compass models, the ECM is located in the engine bay, typically mounted to the firewall or inner fender well. It’s a silver metal box with several large electrical connectors.
- âś” Disconnect the Connectors: Carefully release the locking tabs on each electrical harness connector and pull them straight out from the ECM. Avoid pulling on the wires themselves.
- âś” Remove the Module: Unbolt the old ECM from its mounting bracket. There are usually three or four bolts holding it in place.
- âś” Install the New ECM: Mount your new, pre-programmed ECM onto the bracket and tighten the bolts securely.
- âś” Reconnect Everything: Plug the electrical connectors back into the new module, ensuring they click into place and the locking tabs are engaged. Reconnect the negative battery terminal.
- âś” Final Step: Start the engine. The vehicle will recognize the new, VIN-matched 2007-2010 Caliber Engine Computer and should start and run smoothly without any warning lights.
Verified Vehicle Compatibility
This engine control module is a guaranteed fit for the following vehicles, but always match your original part number to the list below for 100% certainty. This unit is a direct replacement for part numbers: 05150471AA, 05150523AA, 68043260AA, 68043260AB, 04692101AD, 04692101AE, 04692101AF, 68043260AC, 68043260AD, 68043261AC, 68043261AA, 68043261AB, 68070011AA, 68071022AA, 05033359AJ, 05187817AF, 68000107AF, 68026147AA, 68026147AC, 68028201AA, 68028201AC, 68028205AB, and 68044228AA.
- 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)
- Jeep Compass: 2007-2010 (All Engines)
- Jeep Patriot: 2007-2010 (All Engines)
The Power of Pre-Programmed Convenience
The single biggest hurdle in replacing a modern engine computer is the need for vehicle-specific software. Without it, the car won’t start or run correctly. Our professional service handles this for you. We flash the 2007-2010 Caliber Engine Computer with your car’s unique VIN and current mileage before it ships. This ensures all the security systems, options, and engine parameters are perfectly aligned with your vehicle, just like the original. You get a part that works right out of the box, saving you hundreds of dollars in dealer programming fees and towing costs.
Where do I find my VIN?
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.
Is this part difficult to install myself?
No, this is a very DIY-friendly repair. Because the module comes pre-programmed, the installation is purely mechanical. It involves basic hand tools to disconnect the battery, unplug the old module, and bolt the new one in. No software or computer knowledge is needed.
Will I lose my mileage or key programming?
No. We program the module with your vehicle’s current mileage. Your key programming is stored in a different module (typically the Wireless Control Module or Immobilizer), so your existing keys will work perfectly with the new ECM.
What does ‘Plug & Play’ actually mean?
‘Plug & Play’ means the part requires no additional programming or configuration after installation. You simply install the module, reconnect the battery, and start your car. All the necessary software for your specific vehicle is already loaded.
Do I need to send my old part back?
Information regarding a core deposit or return will be specified during the checkout process. Please check the product page details or contact us for clarification on core policies for this specific part.