Is Your Dodge Caliber, Jeep Patriot, or Compass Experiencing Frustrating Issues?
Are you dealing with an engine that won’t start, stalls unexpectedly, or runs rough for no apparent reason? Have you noticed a sudden drop in fuel economy or a persistent Check Engine Light that won’t go away? These are classic signs that the very brain of your vehicle, the Engine Control Module (ECM), might be failing. The ECM is responsible for managing everything from fuel injection and ignition timing to emissions control and transmission shifting. When it falters, the entire vehicle’s performance suffers, leaving you with an unreliable and frustrating driving experience.
Common Symptoms of a Failing Engine Computer
- ✔ Check Engine Light: The light is on, often with codes indicating internal module failure or communication errors (U-codes).
- ✔ Engine Stalling or Misfiring: The engine may stall intermittently, especially when warm, or misfire randomly.
- ✔ No-Start Condition: The engine cranks but refuses to start, even with a good battery and starter.
- ✔ Poor Performance: You may experience a noticeable loss of power, hesitation during acceleration, and decreased fuel efficiency.
- ✔ Erratic Shifting: The automatic transmission may shift harshly, get stuck in gear, or behave unpredictably.
- ✔ Communication Issues: Your mechanic’s scan tool may be unable to communicate with the engine computer, a definitive sign of a problem.
From the Diagnostic Bay
We once had a 2009 Jeep Patriot come into the shop with a maddening intermittent stalling issue. The owner had already replaced the spark plugs, ignition coils, and even the fuel pump, but the problem persisted. The vehicle would run fine for days, then suddenly die at a stoplight. No specific codes were stored, just a generic U0100 for ‘Lost Communication with ECM’. After hours of checking wiring harnesses and grounds, we connected a scope to the ECM’s power and data lines. We found that the ECM’s internal voltage regulator was failing when it got hot, causing it to shut down and reboot. Swapping in a correctly programmed ECM solved the problem instantly. It’s a reminder that sometimes the most complex-seeming issues have a single, central cause.
The Direct-Fit Solution: A Programmed 2007-2010 Caliber ECM
Don’t let a faulty computer keep your vehicle off the road. This Engine Control Module is the definitive, hassle-free solution for your 2007-2010 Dodge Caliber, Jeep Compass, or Jeep Patriot. We take the guesswork and complexity out of the repair process. Unlike a generic part from a salvage yard or a big-box store, this unit arrives at your door fully programmed to your vehicle’s specific Vehicle Identification Number (VIN) and mileage. This means it is 100% plug-and-play, right out of the box. There is no need for an expensive trip to the dealership for programming or a complicated key relearn procedure. You can restore your vehicle’s performance in your own garage.
Simple, Straightforward Installation
Replacing the ECM is a job most DIY mechanics can handle with basic tools. While specific locations can vary slightly, the process is generally the same:
- Safety First: Disconnect the negative terminal from your vehicle’s battery.
- Locate the ECM: On these models, the ECM is typically found in the engine bay, often mounted to the firewall or near the battery tray.
- Disconnect Connectors: Carefully release the locking tabs and unplug the main wiring harnesses from the old module.
- Remove the Old Unit: Unbolt the old ECM from its mounting bracket.
- Install the New Unit: Mount your new, pre-programmed ECM, reconnect the wiring harnesses until they click securely into place, and reconnect your battery.
- Start the Engine: Start the vehicle and let it idle for a few minutes to allow the computer to sync with the vehicle’s systems. Your vehicle should now run smoothly.
Verified Vehicle Fitment
This module is a direct replacement for a wide range of vehicles and part numbers, ensuring compatibility and proper function. It is designed for:
- Dodge Caliber: 2007-2010 (All gasoline engines including 1.8L, 2.0L, and 2.4L)
- Jeep Compass: 2007-2010
- Jeep Patriot: 2007-2010
This unit replaces the following OEM 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, and the listed part 68000112.
Frequently Asked Questions
Is this ECM truly plug-and-play?
Yes. We program the module using your vehicle’s VIN before shipping it. This service ensures it has the correct software and security information, allowing it to work immediately upon installation without any additional programming required from a dealer.
What information do you need from me?
During the checkout process, we will require your vehicle’s 17-digit VIN. This is crucial for us to load the correct software for your specific engine, transmission, and options package.
Where is the ECM located on my 2008 Dodge Caliber?
On most 2007-2010 Caliber, Compass, and Patriot models, the ECM is located in the engine compartment. It’s a metal box with several large electrical connectors, typically mounted against the firewall or on one of the inner fender wells.
Will this fix my ‘No Communication’ issue with the scan tool?
If the ECM itself is the source of the communication failure, then yes, replacing it with this programmed unit will restore communication. However, you should always ensure the vehicle’s wiring and fuses for the diagnostic port are intact first.
Do I need to send my old ECM back?
Please check our store’s policy on core returns. In many cases, a core charge may apply, which is refunded upon the return of your old, rebuildable unit. This helps keep costs down and supports recycling efforts.