If you’re dealing with a 2007-2010 Dodge Caliber, Jeep Compass, or Jeep Patriot that’s suddenly giving you headaches—stalling, refusing to start, or throwing a check engine light that won’t go away—the Engine Control Module (ECM) is a very likely culprit. As the brain of your vehicle, when the ECM begins to fail, it can cause a wide range of frustrating and seemingly random issues. This isn’t just an inconvenience; it’s a critical component for your vehicle’s performance and reliability.
This replacement Engine Control Computer is the direct, no-hassle solution you’ve been looking for. We take the guesswork and extra expense out of the repair by pre-programming the module to your vehicle’s specific VIN and mileage before it even ships. This means when it arrives at your door, it’s ready for a true Plug-and-Play installation. You can bypass the costly trip to the dealership for programming, saving you both time and hundreds of dollars in labor fees. This is the same straightforward repair process we’d perform in our own shop to get a customer back on the road safely and efficiently.
From the Diagnostic Bay: The Intermittent Stall Case
I remember a 2009 Caliber that came into the shop with a problem that had stumped two other mechanics. The owner said it would randomly stall at stoplights, but never consistently. There were no hard fault codes, just a history of U0100 (Lost Communication with ECM). After checking all the usual suspects—power, grounds, and the CAN bus network wiring—everything looked fine. On a hunch, I put a scope on the injector control circuits. Sure enough, after letting the car run for 30 minutes, I saw the signal to injector #3 drop out just before it stalled. The driver inside the factory ECM was overheating and failing intermittently. Swapping in a pre-programmed module like this one solved the problem permanently. It’s often these subtle internal failures, not just hard codes, that point to a failing computer.
Is Your Caliber, Compass, or Patriot Showing These Signs?
A failing ECM can manifest in many ways. If you’re experiencing any of the following, it’s a strong indication that your engine computer needs attention:
- âś” Unexplained Check Engine Light (CEL)
- âś” Diagnostic Trouble Codes (DTCs) such as P0601, P0606, or U0100
- âś” Vehicle refuses to start or has a hard starting condition
- âś” Intermittent stalling or rough idling
- âś” Poor fuel economy
- âś” Harsh or erratic transmission shifting
- âś” Apparent loss of spark or fuel injector pulse
A Straightforward Guide to Installation
Installing your pre-programmed 2007-2010 Caliber Engine Computer is a simple process that most DIYers can handle with basic tools. No complex programming equipment is needed.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait about 10 minutes to ensure the system is fully discharged.
- Locate the ECM: On these models, the ECM is typically located in the engine bay, often mounted to the firewall or inner fender.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be released. Once disconnected, unbolt the old module from its mounting bracket.
- Install the New Module: Mount the new engine computer in place and securely fasten the bolts. Re-connect the electrical harnesses, ensuring they click firmly into place.
- Final Step: Reconnect the negative battery terminal. The vehicle is now ready to start. It may take a few drive cycles for all monitors to be ready, which is normal.
Verified Vehicle Compatibility
This module is a direct-fit replacement for a range of vehicles built on this Chrysler platform. Please verify your vehicle and options below to ensure proper fitment.
- 2007-2008 (All Engine Options)
- 2009 (1.8L, 2.0L Gasoline, 2.4L with engine option ED3)
- 2010 (2.0L, 2.4L)
Jeep Compass:
- 2007-2010 (All Engine Options)
Jeep Patriot:
- 2007-2010 (All Engine Options)
This unit is a direct replacement for multiple part numbers, including: 05150471AA, 05150523AA, 68043260AA, 68043260AB, 04692101AD, 04692101AE, 04692101AF, 68043260AC, 68043260AD, 68026147AC, and many more listed in the compatibility chart.
Frequently Asked Questions
Do I really not need to program this module?
That’s correct. We handle all the necessary programming using the VIN you provide during checkout. The module arrives ready to install, saving you a trip to the dealer. It’s a true Plug-and-Play solution.
Why do you need my VIN and mileage?
Your Vehicle Identification Number (VIN) allows us to load the exact software and calibrations your vehicle requires for proper engine, transmission, and emissions system operation. The mileage is programmed for your records and to ensure seamless integration.
Will this fix my car’s specific problem?
This module corrects issues directly caused by a faulty ECM. While the symptoms listed are common indicators of ECM failure, we always recommend a proper diagnosis by a qualified mechanic to confirm the ECM is the root cause before ordering.
Is this compatible with my existing keys?
Yes. Our programming process ensures the module will recognize your vehicle’s existing keys, so you won’t need to have new keys made or programmed.