Is Your Jeep Compass Stalling, Running Rough, or Refusing to Start?
As a mechanic with over two decades of experience, I’ve seen countless Jeep Compass, Patriot, and Dodge Caliber models come into the shop with frustrating, hard-to-diagnose engine problems. You might be dealing with a check engine light that won’t go away, random stalling at stoplights, poor fuel economy, or a complete no-start condition. Often, the root cause isn’t a bad sensor or a wiring issueโit’s a failing Engine Control Module (ECM), the brain of your vehicle.
A Real-World Scenario from My Shop
“A customer’s 2009 Patriot came in last week with these exact symptoms. It would crank but not start, and when it did run, it would stall unpredictably. They had already replaced the crank and cam sensors with no luck. After connecting my diagnostic scanner, I saw communication errors with the ECM. We swapped in one of our pre-programmed modules, and the vehicle fired right up and ran perfectly. This is a classic failure pattern for these vehicles, and a new ECM is the definitive fix.”
The Direct Solution: A Plug-and-Play Engine Computer
Don’t waste time and money guessing with other parts or paying for expensive dealership programming. This 2007-2010 Compass Engine Computer arrives at your door fully programmed to your vehicle’s specific VIN and mileage. This means the security information (SKIM) and vehicle configuration are already loaded. It’s a true plug-and-play solution that gets you back on the road without a trip to the dealer.
Common Symptoms of a Failing ECM:
- โ Check Engine Light (CEL) is on with various communication or sensor codes.
- โ Engine stalls intermittently or while driving.
- โ Vehicle cranks but will not start.
- โ Noticeable decrease in fuel efficiency.
- โ Rough idling or poor engine performance.
- โ Automatic transmission shifting issues.
Plug-and-Play Installation: No Dealer Visit Required
You can perform this repair right in your driveway. Follow these simple steps to install your new ECM:
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the ECM: On the Compass, Patriot, and Caliber, the ECM is typically located in the engine bay, often near the battery or firewall, mounted inside the fender well.
- Disconnect Connectors: Carefully release the locking tabs on the wiring harness connectors and pull them straight out from the old module.
- Remove the Module: Unbolt the old ECM from its mounting bracket. It’s usually held in place by a few 8mm or 10mm bolts.
- Install the New ECM: Mount your new, pre-programmed ECM and securely re-attach the wiring harness connectors. You should hear a ‘click’ as they lock into place.
- Reconnect Battery: Re-attach the negative battery terminal. The installation is complete, and your vehicle is ready to start.
Expert Pro Tip: Inspect the Harness
Before installing your new ECM, take a moment to carefully inspect the main engine wiring harness, especially where it routes near the battery and behind the driver-side headlight. On these platforms, the harness is prone to chafing against the body or brackets. A worn-through wire can cause intermittent shorts that mimic ECM failure and can even damage your replacement part. A quick visual check and some protective loom can prevent future headaches.
Guaranteed Compatibility and Fitment
This module is a direct replacement for a wide range of part numbers, ensuring a perfect match for your vehicle. It is compatible with the following 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.
This 2007-2010 Compass Engine Computer will fit the following vehicles:
- 2007-2010 Jeep Compass (All engine options)
- 2007-2010 Jeep Patriot (All engine options)
- 2007-2008 Dodge Caliber (All engine options)
- 2009 Dodge Caliber (1.8L, 2.0L Gasoline, 2.4L with engine opt ED3)
- 2010 Dodge Caliber (2.0L, 2.4L)