Is Your Jeep Stalling, Misfiring, or Refusing to Start?
The Engine Control Module (ECM), often called the engine computer, is the central command center for your 2009-2010 Jeep Commander or Grand Cherokee’s 3.7L engine. It meticulously manages everything from fuel injection and ignition timing to emissions controls and transmission shifting. When this critical component begins to fail, it can cause a cascade of confusing and frustrating problems that can leave you stranded. From an illuminated Check Engine Light to intermittent stalling, a faulty ECM can make your reliable Jeep feel unpredictable and unsafe.
Common Symptoms of a Failing Jeep ECM
- ✔ Check Engine Light: A persistent Check Engine Light, especially with codes related to module communication or sensor circuits, is a primary indicator.
- ✔ Engine Performance Issues: You may experience random misfires, rough idling, hesitation during acceleration, or a noticeable loss of power.
- ✔ No-Start Condition: The engine may crank but refuse to start, or it may fail to crank altogether. This can often be an intermittent problem that is difficult to diagnose.
- ✔ Poor Fuel Economy: If the ECM cannot properly regulate the air-fuel mixture, your vehicle’s gas mileage can suffer dramatically.
- ✔ Transmission Problems: The ECM works with the transmission controller. A failing module can lead to harsh shifting, getting stuck in gear, or other erratic transmission behavior.
- ✔ Network Communication Errors: A diagnostic scanner may be unable to communicate with the ECM, making it impossible to pull trouble codes.
From the Diagnostic Bay
We recently had a 2010 Grand Cherokee with the 3.7L engine towed to our shop. The owner was frustrated because it would randomly fail to start. Sometimes it was fine for days, then it would leave him stranded. We checked the battery, starter, and fuel system, and everything tested perfectly. The scan tool would occasionally show a ‘loss of communication’ code. After confirming all power and ground circuits to the module were intact, we connected a test ECM. The Jeep fired up instantly and the problem never returned. The original ECM had an internal fracture on the circuit board that would separate as the module cooled, causing the intermittent no-start. It’s a classic failure that highlights the importance of a quality replacement.
The Direct-Fit Solution: Your 2009-2010 Commander ECM
Don’t let a faulty computer keep your Jeep off the road. This Engine Control Module is the definitive solution for your vehicle’s issues. We take the guesswork and hassle out of the repair process. Unlike a generic part from a local store or a costly trip to the dealership, this unit comes pre-programmed specifically for your vehicle. We flash it with the latest software updates and program it to your vehicle’s unique Vehicle Identification Number (VIN) and mileage. This ensures that once it arrives, it’s a true plug-and-play installation. Simply disconnect the battery, swap the module, reconnect the battery, and start your engine. No expensive programming tools or dealer appointments are required.
Guaranteed Fitment and Compatibility
This 2009-2010 Commander ECM is a direct replacement for vehicles equipped with the 3.7L engine. It is compatible with both the Jeep Commander and Jeep Grand Cherokee within the 2009-2010 model years. It replaces a wide range of original part numbers, ensuring you get the correct component for your specific vehicle. Please verify your part number against the list below to confirm compatibility.
Fits:
- COMMANDER 09-10 Electronic Control Module; (RH engine compartment), 3.7L
- GRAND CHEROKEE 09-10 Electronic Control Module; (RH rear engine compartment), 3.7L
Replaces Part Numbers: 05150467AA, 05150467AB, 68028166AB, 68028166AC, 68028166AD, 68028166AE, 68028166AF, 68060531AB, 68060531AC, 68060531AD, 68059198AA, 68059198AB, 68028167AB, 68028167AC, 68028167AD, 68028167AE, 68028162, 68059197, 68028163, 68028154, 68059196, 68028155, 68028155AD, 68028150, 68059195, 68028151, 68028174, 68028175, 68028176, and more.
Frequently Asked Questions
Is this ECM really plug-and-play?
Yes. We program the module with your vehicle’s specific VIN and mileage before shipping. This ensures it communicates correctly with your Jeep’s other systems, including the ignition and security, right out of the box. No further programming is needed.
What information do you need from me to program it?
After you place your order, we will need your vehicle’s 17-digit VIN. This is typically found on your driver’s side dashboard (visible through the windshield), on the driver’s door jamb sticker, or on your vehicle’s registration and insurance documents.
Will this fix my specific problem?
This module will correct any issues directly caused by a failing ECM. While the symptoms listed are common for ECM failure, they can also be caused by other faulty components. We highly recommend a proper diagnosis by a qualified mechanic to confirm the ECM is the source of your problem before ordering.
Where is the ECM located on my Jeep?
On the 2009-2010 Jeep Commander and Grand Cherokee with the 3.7L engine, the ECM is located in the engine compartment, typically on the right-hand (passenger) side.
Do I need to do anything special after installation?
No special procedures are required. After installing the new 2009-2010 Commander ECM and reconnecting the battery, you can start the vehicle. It may take a few drive cycles for the computer to complete its internal learning processes, which is normal.