Restore Peak Performance to Your 3.7L Jeep
Is your 2009-2010 Jeep Grand Cherokee or Commander running rough, stalling, or displaying a persistent check engine light? These are classic signs of a failing Engine Control Module (ECM), the central computer responsible for managing your vehicle’s engine performance, fuel economy, and emissions. A faulty ECM can lead to a cascade of frustrating and potentially damaging issues. This direct-fit replacement engine computer, part number 68028166AC, is the definitive solution to get your Jeep back on the road, running as it should.
From the Diagnostic Bay
We had a 2010 Commander with the 3.7L come in that was driving the owner crazy. It had an intermittent no-start condition that never happened at the shop. After starting, it would sometimes misfire under load. The owner had already replaced the spark plugs, coils, and even the crankshaft position sensor. We scanned it and found a slew of communication error codes with no clear pattern. After checking all the wiring harnesses and grounds, we focused on the ECM. By monitoring live data, we noticed the 5-volt reference signal would occasionally drop out for a split second, just enough to cause chaos but not enough to set a consistent code. Swapping in a pre-programmed ECM like this one solved the problem instantly. It’s a reminder that when multiple, unrelated electronic systems act up, the central computer is often the root cause.
Why Choose Our Pre-Programmed 2009-2010 Grand Cherokee ECM?
The biggest hurdle in replacing a modern vehicle’s computer is the complex programming required to sync it with your specific vehicle. Our process eliminates this completely. We flash the module with the latest software updates from the manufacturer and program it directly to your vehicle’s unique Vehicle Identification Number (VIN). This means the unit you receive is truly plug-and-play. There’s no need for an expensive trip to the dealership or a specialized shop for additional programming. Simply install the module, and your Jeep’s systems will recognize it as the original, restoring proper function immediately.
Common Symptoms of a Failing 3.7L ECM
If you’re experiencing any of the following issues, a faulty engine computer could be the culprit. A failing module can often mimic other problems, so it’s crucial to diagnose correctly. Look out for:
- ✔ Check Engine Light is on with various, often inconsistent, trouble codes.
- ✔ Engine stalling, stumbling, or misfiring for no apparent reason.
- ✔ Difficulty starting the engine or a complete no-start condition.
- ✔ Poor fuel economy and a noticeable loss of power.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Communication errors with diagnostic scan tools.
- ✔ Problems with other electronic components, such as cooling fans running constantly.
This module is a direct replacement for a wide range of original part numbers, ensuring compatibility and a perfect fit for your vehicle. Please verify your part number against the list below.
Compatible 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
Fitment:
- 2009-2010 Jeep Commander (3.7L Engine)
- 2009-2010 Jeep Grand Cherokee (3.7L Engine)
Frequently Asked Questions
Is this ECM really plug-and-play?
Yes. We program the module to your vehicle’s specific VIN before shipping. This ensures that when you install it, it will communicate correctly with your Jeep’s other systems without needing any further programming from a dealer.
Where do I find my vehicle’s VIN?
Your 17-digit VIN can be found on your vehicle’s registration, insurance card, or on a plate on the driver’s side dashboard visible through the windshield. Please provide this number during checkout to ensure proper programming.
Do I need to perform a key relearn procedure?
In most cases, no. Because we program the unit to your VIN, it correctly syncs with your vehicle’s immobilizer system. Your existing keys should work without any additional steps.
Where is the ECM located on my 2009-2010 Grand Cherokee?
On the 2009-2010 Grand Cherokee with the 3.7L engine, the Electronic Control Module is located in the right-hand (passenger side) rear of the engine compartment. On the Commander, it is in the right-hand (passenger side) engine compartment. Always disconnect the battery before attempting to remove or install the module.
Does this part come with a warranty?
Yes, all of our electronic modules come with a warranty that covers any defects in materials or workmanship. Please see our warranty page for full details and terms.