Is Your Dodge Caliber, Jeep Patriot, or Compass Experiencing Critical Issues?
If your 2007-2010 Dodge Caliber, Jeep Patriot, or Compass is suffering from perplexing issues like stalling, poor engine performance, a persistent check engine light, or a complete no-start condition, the root cause is often a failing Engine Control Module (ECM). The ECM is the central computer of your vehicle, responsible for managing everything from fuel injection and ignition timing to emissions controls and transmission shifting. When it begins to fail, it can create a cascade of problems that are often misdiagnosed, leading to wasted time and money on unnecessary repairs.
From the Diagnostic Bay
I once had a 2009 Dodge Caliber come into the shop that had been to three other mechanics. The owner had replaced the spark plugs, ignition coils, and even the fuel pump, but the car still had an intermittent stalling problem and a check engine light with a U0100 ‘Lost Communication with ECM/PCM’ code. After confirming the wiring harness and connectors were intact, we tested the ECM itself. It turned out the main processor was failing intermittently under heat. We installed one of our pre-programmed ECMs, and the car ran perfectly. It’s a classic case where chasing symptoms instead of diagnosing the core electronic brain of the vehicle leads to frustration. A faulty computer can make good parts act bad.
Common Symptoms of a Failing Engine Computer
- ✔ Check Engine Light: The most common indicator, often with communication-related fault codes (U-codes) or internal processor failure codes (P06xx series).
- ✔ Engine Stalling or Misfiring: The engine may stall unexpectedly while driving or at idle, and you might experience rough running or misfires as the ECM fails to correctly manage the ignition and fuel systems.
- ✔ No-Start Condition: Your vehicle may crank but refuse to start because the ECM is not activating the fuel pump or ignition system.
- ✔ Poor Performance & Fuel Economy: A significant drop in gas mileage or a noticeable lack of power can be traced back to an ECM that isn’t optimizing engine parameters correctly.
- ✔ Erratic Transmission Behavior: The ECM works closely with the Transmission Control Module (TCM). A failing ECM can cause harsh shifting, a failure to shift, or incorrect gear selection.
- ✔ Accessory Malfunctions: Issues with cooling fans running constantly or not at all can also be a sign of ECM failure.
The Direct-Fit Solution: A Pre-Programmed 2007-2010 Caliber ECM
Replacing the ECM on these vehicles used to require an expensive trip to the dealership for programming. Our solution eliminates that step entirely. This Engine Control Module is a reliable, direct-fit replacement for your original unit. The critical advantage is that we pre-program it using your vehicle’s specific Vehicle Identification Number (VIN) and mileage before it ships. This ensures that all the unique software, security information (immobilizer), and operational parameters for your exact vehicle are loaded and ready to go.
This is a true Plug-and-Play module. Once you receive it, the installation process is simple:
- Disconnect the vehicle’s battery.
- Locate and remove the old ECM.
- Install the new, pre-programmed ECM.
- Reconnect the battery.
No further programming, key matching, or dealer intervention is required. The vehicle will start and run correctly, restoring the performance and reliability you depend on. This not only saves you hundreds of dollars in dealership fees but also gets your vehicle back on the road in a fraction of the time.
Guaranteed Compatibility
This engine computer is compatible with a wide range of part numbers, ensuring it will work for your vehicle. If your original module has any of the following numbers, this is the correct replacement for you:
05150471AA 05150523AA 68043260AA 68043260AB 04692101AD 04692101AE 04692101AF 68043260AC 68043260AD 05150471AA 05150523AA 68043261AC 68043261AA 68043261AB 68070011AA 68071022AA 05033359AJ 05187817AF 68000107AF 68026147AA 68026147AC 68028201AA 68028201AC 68028205AB 68044228AA
CALIBER 09 Electronic Control Module; 1.8L
CALIBER 07-08 Electronic Control Module
PATRIOT 07-10 Electronic Control Module
CALIBER 09 Electronic Control Module; 2.4L, engine opt ED3
CALIBER 10 Electronic Control Module; 2.4L
COMPASS 07-10 Electronic Control Module
CALIBER 09 Electronic Control Module; 2.0L, gasoline
Frequently Asked Questions
What information do you need to program this ECM?
We require your vehicle’s 17-digit Vehicle Identification Number (VIN) to load the correct software and security information. You can typically find this on your dashboard (visible through the windshield), on the driver’s side door jamb sticker, or on your vehicle’s registration and insurance documents.
Is this module truly Plug & Play?
Yes. Because we program the module to your specific VIN before shipping, it arrives ready for installation. Simply swap the part and reconnect the battery. No trip to the dealership or special scan tools are needed for programming.
Will this fix my check engine light?
If the check engine light is on due to an internal failure of your original ECM, then yes, this replacement will resolve the issue. However, if the light is on because of another faulty sensor or component on the vehicle, that issue will still need to be addressed separately.
How do I find my original part number?
Your original part number is printed on a sticker directly on the housing of your existing engine computer. It is essential to verify this number matches one from our compatible list to ensure a perfect fit.
Does this ECM also fit the Jeep Patriot and Compass?
Yes, the Dodge Caliber, Jeep Patriot, and Jeep Compass from this era share the same platform and many electronic components. As shown in our fitment guide, this ECM is the correct module for 2007-2010 Patriot and Compass models as well.