Restore Your Vehicle’s Performance with a Reliable Engine Control Module
Dealing with a Jeep Compass, Patriot, or Dodge Caliber that’s running rough, stalling unexpectedly, or simply won’t start? As a technician with over two decades of experience under the hood, I’ve seen these symptoms countless times. More often than not, the root cause points directly to a failing Engine Control Module (ECM), the brain of your vehicle’s powertrain. When it malfunctions, it can cause a cascade of frustrating and seemingly unrelated issues. This isn’t just an inconvenience; it’s a critical component failure that needs a reliable solution.
This replacement ECM is the definitive fix for these problems. We take the guesswork and hassle out of the repair by pre-programming the module specifically to your vehicle’s VIN and mileage. This means it arrives at your door ready for a true plug-and-play installation. You won’t need to pay for expensive dealership programming or invest in specialized scan tools. This is the most direct and efficient way to get your vehicle back to factory-spec operation, ensuring proper communication between the engine, transmission, and all other vital systems.
From the Diagnostic Bay: The Intermittent Stall Case
I remember a 2009 Jeep Patriot that came into the shop with a complaint of intermittent stalling at stoplights. The owner had already replaced the fuel pump and spark plugs with no luck. The check engine light was on, but the codes were erratic—sometimes a communication code (U0100), other times none at all. After confirming fuel pressure and spark were good during a stall event, my attention turned to the ECM. On these Chrysler platforms, I’ve found that heat soak can cause internal solder joints in the ECM to fail, leading to these exact unpredictable symptoms. We installed a pre-programmed 2007-2010 Compass Engine Computer, and the problem was solved instantly. The customer was relieved to finally have a reliable vehicle again.
Common Signs of a Failing Engine Computer
- âś” Check Engine Light is illuminated with codes like P0601, P0605, or P0606 (Internal Control Module errors).
- âś” Vehicle experiences random stalling or shuts off while driving.
- âś” Engine cranks but refuses to start (no-start condition).
- âś” Noticeable decrease in fuel economy and poor engine performance.
- âś” Transmission shifting issues or getting stuck in ‘limp mode’.
- âś” Communication errors with the scan tool (U-codes).
- âś” Problems with the anti-theft system or key recognition.
A Straightforward Guide to Installation
- âś” Safety First: Disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes to ensure all systems are powered down.
- âś” Locate the ECM: On most Jeep Compass, Patriot, and Dodge Caliber models, the ECM is located in the engine bay, typically mounted to the firewall or inner fender.
- âś” Disconnect Connectors: Carefully unclip the wiring harness connectors from the old module. These usually have a locking tab that needs to be released first. Avoid pulling on the wires themselves.
- âś” Remove the Old Module: Unbolt the old ECM from its mounting bracket. Keep the mounting hardware as you will need it for the new unit.
- âś” Install the New Module: Mount your new, pre-programmed ECM onto the bracket and secure it with the original hardware.
- âś” Reconnect Everything: Firmly plug the wiring harness connectors into the new module until they click into place. Reconnect the negative battery terminal.
- âś” Final Check: Turn the key to the ‘On’ position (without starting the engine) for 10-15 seconds to allow the systems to initialize. Then, start your vehicle. The check engine light should be off, and the engine should run smoothly.
Verified Vehicle Compatibility
This module is a direct-fit replacement for the following vehicles and part numbers. Please verify your vehicle’s year, make, and model to ensure proper fitment. This unit replaces 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.
Jeep Patriot: 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 option ED3)
Dodge Caliber: 2010 (Electronic Control Module; 2.0L or 2.4L)
Frequently Asked Questions
Frequently Asked Questions
Do I need to do any programming or flashing?
No. This 2007-2010 Compass Engine Computer arrives fully programmed to your vehicle’s specific VIN and mileage. It is a 100% plug-and-play solution, requiring no further dealership visits or special tools.
Where do I provide my VIN and mileage?
You can provide your vehicle’s VIN and current mileage during the checkout process. Please double-check the information for accuracy to ensure perfect programming.
Will this fix my check engine light?
If the check engine light is caused by a faulty ECM (common codes include P0601, P0606, U0100), then this replacement part will resolve the issue. We always recommend a proper diagnosis to confirm the ECM is the point of failure before ordering.
Is this compatible with other part numbers?
Yes, this module is a direct replacement for a wide range of part numbers, including 68026147AC, 05150471AA, 68043260AD, and many others listed in the compatibility section.
What tools are needed for installation?
Installation is straightforward for a DIYer or professional. You will typically only need basic hand tools, such as a socket set and ratchet, to disconnect the battery and remove the module’s mounting bolts.