Is Your Jeep or Dodge Running Poorly?
There’s nothing more frustrating than a vehicle that won’t run right. You turn the key, and it struggles to start, idles erratically, or stalls at the worst possible moment. A persistent Check Engine Light on the dash of your 2007-2010 Jeep Compass, Patriot, or Dodge Caliber is often the first sign of a deeper issue. These problems can be confusing and costly to diagnose, often pointing to the vehicle’s central command center: the Engine Control Module (ECM).
The ECM, also known as the ECU or PCM, is the electronic brain of your vehicle. It controls critical functions like fuel injection, ignition timing, emissions systems, and transmission shifting. When it begins to fail, it can cause a cascade of performance problems that can be difficult to trace. You might find yourself replacing sensors and parts without ever solving the root cause.
From the Diagnostic Bay
We once had a 2009 Dodge Caliber towed in that had been to two other shops for a persistent no-start condition. The owner had replaced the battery, starter, and even the fuel pump. The vehicle would crank but never fire up. After confirming fuel pressure and spark were absent, we connected our diagnostic scanner, which couldn’t communicate with the engine computer at all. This is a classic sign. We checked the power and ground feeds to the ECM, which were all good. This confirmed the module itself had an internal failure. By providing a pre-programmed replacement, we had the customer back on the road the same day, solving a problem that had stumped others for weeks.
Symptoms of a Failing Engine Computer
- âś” Check Engine Light: The light is on, and you may have codes related to module communication errors (U-codes) or multiple, unrelated sensor faults.
- âś” Engine Stalling or Misfiring: The engine may stall intermittently, run rough, or misfire, especially as it warms up.
- âś” No-Start Condition: The engine cranks but refuses to start, often due to a lack of fuel injector pulse or ignition spark.
- âś” Poor Performance & Fuel Economy: You may notice a significant drop in power, acceleration, and miles per gallon as the ECM fails to manage the engine efficiently.
- âś” Shifting Problems: On automatic transmission models, you might experience harsh shifting or the transmission getting stuck in one gear (limp mode).
- âś” Intermittent Issues: Problems that come and go with temperature changes or vibration are common with failing electronic modules.
The Direct-Fit Solution: A Programmed 2007-2010 Compass Engine Computer
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We eliminate the biggest headache of ECM replacement: the programming. Each 2007-2010 Compass Engine Computer is professionally flashed with your vehicle’s specific Vehicle Identification Number (VIN) and current mileage. This ensures that it communicates perfectly with the other modules in your vehicle, like the anti-theft system and instrument cluster, right out of the box.
Forget about expensive towing fees and high dealership labor costs for programming. Our process makes this a job you can confidently do in your own driveway. Simply install the module, and you’re ready to go. It’s the most efficient and cost-effective way to restore your vehicle’s original performance and reliability.
This engine computer is a direct replacement for a wide range of part numbers, ensuring compatibility. It has been thoroughly tested to meet or exceed original equipment standards for performance and longevity.
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
Compatible Part Numbers:
This unit is a direct replacement for the following part numbers: 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
Frequently Asked Questions
What information do you need to program this ECM?
We require your vehicle’s 17-digit Vehicle Identification Number (VIN) to program the module correctly. This ensures it matches your vehicle’s specific configuration and security settings for a true plug-and-play experience. Please provide your VIN during checkout.
Is this part really “Plug & Play”?
Yes. Because we flash the unit with your vehicle’s VIN and mileage before shipping, it requires no additional programming or dealer intervention. Once installed, it will function just like the original module, allowing your vehicle to start and run properly.
Where is the ECM located on my 2007-2010 Jeep Compass/Patriot?
On these models, the Engine Control Module is typically located in the engine bay. You can usually find it mounted to the firewall on the driver’s side or near the battery tray. It will be a metal box with several large wiring harness connectors.
Do I need to perform a key relearn procedure?
No. Our programming process syncs the module to your vehicle’s existing security information stored in the VIN. This means your original keys will work immediately upon installation without any special procedures.
How can I be sure my old ECM is the problem?
While the symptoms listed are strong indicators, a definitive diagnosis is always recommended. A qualified mechanic can check for communication errors with a scan tool and verify that the ECM has proper power and ground connections. If the module is unresponsive but has good power/ground, it has likely failed.