Restore Your Vehicle’s Core Performance and Reliability
If you’re dealing with frustrating and unpredictable issues like engine stalling, a persistent check engine light, or a vehicle that simply won’t start, a failing Engine Control Module (ECM) is often the culprit. As the brain of your vehicle, a faulty ECM can cause a cascade of problems that are difficult to diagnose. This replacement engine computer is the definitive solution for your 2007-2010 Jeep Patriot, Compass, or Dodge Caliber, designed to restore factory performance and get you back on the road with confidence.
The biggest hurdle in replacing an ECM has always been the expensive and time-consuming programming required at a dealership. We eliminate that step entirely. Before this unit ships, our technicians will program it with your vehicle’s specific VIN and mileage. This means it arrives at your door ready for a true Plug-and-Play installation. There are no extra trips to the mechanic, no special scan tools needed, and no hidden fees. This is the most direct and cost-effective way to solve complex electronic engine problems.
From the Diagnostic Bay: The Intermittent No-Start Nightmare
A customer brought in a 2009 Jeep Patriot that would randomly refuse to start. No crank, no click, nothing. Other times, it would start and run perfectly. They had already replaced the battery and starter to no avail. When I hooked up my professional scan tool, I found a series of intermittent communication loss codes (U0100 – Lost Communication with ECM/PCM). In my 20+ years of experience, these phantom electrical issues, especially when all the wiring and grounds check out, often point directly to a failing processor inside the engine computer. The internal circuits were breaking down under certain temperature conditions. We installed one of our pre-programmed ECMs, and the problem was solved instantly. The customer saved hundreds compared to a dealer visit and avoided weeks of diagnostic guesswork.
Common Signs of a Failing Engine Computer
Not sure if your ECM is the problem? If your vehicle is experiencing one or more of the following issues, a faulty engine computer is a likely cause. Look out for these symptoms and associated Diagnostic Trouble Codes (DTCs):
- âś” Check Engine Light is illuminated with codes like P0601, P0605, or P0606 (Internal Control Module errors).
- âś” The engine cranks but will not start.
- âś” Intermittent stalling or rough idling for no apparent reason.
- âś” A noticeable decrease in fuel economy.
- âś” The automatic transmission is shifting erratically or harshly.
- âś” Communication errors with your scan tool or other modules (U-codes).
- âś” Apparent loss of spark or fuel injector pulse.
A Straightforward Guide to Installation
You don’t need to be a master mechanic to install this module. Our pre-programming service makes this a simple swap. Just follow these basic steps:
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait 10-15 minutes for the system capacitors to discharge.
- Locate the ECM: On most Patriot, Compass, and Caliber models, the engine computer 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 and Remove: Carefully unplug the wiring harness connectors. They have locking tabs that need to be released. Once disconnected, unbolt the old ECM from its mounting bracket.
- Install the New Module: Bolt the new, pre-programmed ECM into place. Securely reconnect the wiring harness connectors, ensuring they click and lock into position.
- Reconnect and Start: Reconnect the negative battery terminal. Your vehicle is now ready to start. The security system will automatically re-learn the new computer on the first key cycle.
Verified Vehicle Compatibility
This engine computer is a direct-fit replacement for a range of vehicles. Please verify your model and options below to ensure compatibility. This unit replaces a wide array of part numbers, including 04692101AE, 68043260AB, 05150471AA, and more, making it a versatile solution.
JEEP COMPASS 2007-2010 (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)
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
It means we program the module to your car’s exact Vehicle Identification Number (VIN) and mileage before we ship it. When you receive it, you can simply install it and start your vehicle without any additional programming or dealer visits.
During checkout, we will ask for your vehicle’s 17-digit VIN and the current mileage. This ensures a perfect match for your vehicle’s systems.
If the check engine light is caused by an internal failure of the old computer (like codes P0601-P0606), then this part is the correct fix. It’s crucial to ensure the problem isn’t with a sensor or wiring before ordering.
Your original part number is printed on a sticker on the housing of your current engine computer. Matching it to our list of compatible numbers guarantees a correct fit.
No special tools are required. Basic hand tools, such as a socket set or wrenches to remove the mounting bolts and disconnect the battery, are all you need for the job.