Restore Your Minivan’s Reliability and Performance
Is your 2008-2010 Dodge Caravan, Chrysler Town & Country, or 2008 Pacifica suddenly stalling, refusing to start, or showing a cascade of confusing warning lights? These are classic signs of a failing Engine Control Module (ECM), the electronic brain of your vehicle. A faulty ECM can cause immense frustration, leaving you stranded and facing expensive diagnostic bills. This isn’t just an inconvenience; it’s a critical failure that compromises your vehicle’s performance and safety. As a technician with over two decades of experience, I’ve seen firsthand how a failing computer can mimic a dozen other problems, leading to wasted time and money on unnecessary repairs.
This replacement ECM is the definitive solution to get your minivan running smoothly again. We take the guesswork and complexity out of the repair by programming the module specifically to your vehicle’s VIN and mileage before it ships. This means it arrives at your door ready for a true Plug & Play installation. You can bypass the costly dealership visit for programming, saving you hundreds of dollars and significant downtime. Getting your family’s vehicle back on the road safely and affordably is our top priority.
Common Signs of a Failing 4.0L Engine Computer
- âś” Check Engine Light is on with communication-related Diagnostic Trouble Codes (DTCs) such as P0601, P0605, or P0606.
- âś” The engine cranks but refuses to start for no apparent reason.
- âś” Intermittent or random stalling while driving, especially when coming to a stop.
- âś” A noticeable drop in fuel economy and poor engine performance.
- âś” The automatic transmission shifts harshly or erratically.
- âś” Other modules on the vehicle cannot communicate with the ECM, causing multiple warning lights.
A Technician’s Notebook: The Intermittent No-Start
I once had a 2009 Town & Country with the 4.0L in my bay that was a real head-scratcher. The owner said it would randomly fail to start, but only after it was warm. We checked the fuel pump, crank sensor, and starter—all tested fine. The battery was new. No codes were stored. The frustration was mounting until, during one test, the scanner completely lost communication with the engine computer. That was the key. Heat soak was causing an internal failure in the ECM, breaking a connection on the circuit board. A replacement 2008-2010 Caravan ECM, programmed and installed, solved the problem permanently. It’s a reminder that intermittent electrical issues often point directly to the module itself.
A Straightforward Guide to Installation
- âś” Safety First: Disconnect the negative terminal from your vehicle’s battery and secure it away from the post to prevent accidental reconnection.
- âś” Locate the ECM: On these minivans, the ECM is typically located in the engine bay, often on the driver’s side firewall or inner fender. It’s a silver metal box with several large electrical connectors.
- âś” Disconnect the Connectors: Carefully release the locking tabs on each of the wiring harness connectors and pull them straight out from the module. Avoid pulling on the wires themselves.
- âś” Remove the Old Module: Unbolt the old ECM from its mounting bracket. There are usually three or four 8mm or 10mm bolts holding it in place.
- âś” Install the New ECM: Mount your new, pre-programmed ECM onto the bracket and tighten the bolts securely.
- âś” Reconnect Everything: Plug the wiring harness connectors firmly back into the new module until they click into place. Reconnect the negative battery terminal.
- âś” Final Step: Turn the key to the ‘ON’ position (without starting) for 10-15 seconds to allow the system to initialize, then start the engine. Your vehicle is ready to drive!
Verified Vehicle Compatibility
This engine computer is a direct-fit replacement for the following vehicles equipped with the 4.0L V6 engine. Please ensure your vehicle matches one of the models below. This module is compatible with all the part numbers listed further down the page.
- 2008-2010 Dodge Caravan (with 4.0L Engine)
- 2008 Chrysler Pacifica (with 4.0L Engine)
- 2008-2010 Chrysler Town & Country (with 4.0L Engine)
This 2008-2010 Caravan ECM is a direct replacement for the following part numbers: 05150253AC, 05150253AD, 05150253AE, 68044560AB, 68044560AC, 68044560AD, 68044560AE, 68044560AF, 68031313AA, 68031313AB, 68031313AC, 68031313AD, 68031313AE, 68031313AF, 68031313AG, 68031313AH, 68031314AA, 68031314AB, 68031314AC, 68031314AD, 68031314AE, 68031314AF, 68031314AG, 68031314AH.
What does ‘Plug & Play’ mean for this ECM?
It means we program the module with your vehicle’s specific VIN and mileage before shipping it. When you receive it, you can simply install it without needing any expensive scan tools or a trip to the dealership for additional programming. It’s ready to work right out of the box.
How do you get my vehicle’s information for programming?
After you place your order, we will provide simple instructions for you to send us your VIN (Vehicle Identification Number) and current mileage. This ensures a perfect software match for your minivan’s features and security system.
Will this fix my ‘No Bus’ or communication error messages?
In many cases, yes. The ECM is the central hub for the vehicle’s data network (CAN bus). When it fails internally, it can stop communicating, causing a ‘No Bus’ message on the instrument cluster and preventing the vehicle from starting. This module is designed to resolve those communication faults.
Is any other setup required after installation?
No. Because it’s pre-programmed, no key relearn or other setup is needed. Once you install the module and reconnect the battery, you can start the vehicle and drive. It’s designed to be a straightforward DIY repair.