Many technical parts are involved in a vehicle, from computer diagnostics for systems to troubleshooting connectivity. Keeping these technical parts functioning is just as important as any other part of the vehicle. However, sometimes things go wrong with the engine control module (ECM). When that happens, it’s essential to recognize the signs so that you can do some troubleshooting as needed.
At Motorplex, we assist with computer system diagnostics for all makes and models, engines, and transmissions of trucks. Here are some troubleshooting issues for heavy truck ECM:
The Vehicle Doesn’t Start
Your truck doesn’t start? That’s obviously a problem! However, when diagnosing this issue, remember that it could be a few things before you jump straight to the ECM.
Start by checking if there is enough fuel or if the battery has run out of power. If jumpstarting doesn’t work either, it could be ECM trouble. It’s possible your vehicle isn’t getting the vital computer inputs needed to fire it up.
Fuel Economy is Dropping
Have you noticed that your fuel economy is worsening on the road? Even if a pre- and post-trip inspection didn’t catch anything, still pull over. First, check to see if your tires are aligned, have enough air, and that there aren’t any fuel leaks. If everything else checks out, it might be an ECM issue.
When the ECM malfunctions, it can’t correctly calculate the optimal amount of fuel needed during the combustion process. As a result, your vehicle has poor fuel economy and burns through much more diesel than required.
Check the Engine Light
If the engine light is on, it could mean something is wrong with the engine, but it could also be ECM trouble. When the ECM computer detects something wrong with the sensors or circuits, the light will turn on to notify of such a problem. However, if you stop and take a look and can’t find anything wrong, it may be that the ECM itself is being faulty and needs a diagnosis.
Faulty or Stuttering Engine
When your engine does turn on, but it’s not running smoothly or is stuttering, don’t ignore the noises. Engine trouble can be a serious risk, but it may also signify a bad or failing ECM. Likewise, when the computer is faulty, it can lead to the engine stalling or misfiring.
The thing with heavy truck ECM trouble compared to engine trouble is that there may not be a clear pattern. The problems will likely be routine and regular if it’s the engine. With ECM, it’s not as apparent. You know it’s time to take the truck into the shop for a diagnosis.
Bring it in to Motorplex!
If you have narrowed the problem down to the ECM, it’s time to take your heavy truck in for an inspection. ECMs are complicated parts that need the proper technical knowledge and support to diagnose and repair safely.
Motorplex has the knowledge and experience to diagnose ECM issues and provide the right services. We have shops in Auburn and Spokane, WA and also offer on-site and mobile repairs.
With shops in Auburn and Spokane, WA, call Motorplex for Heavy Truck repairs!
For all your professional motorhome maintenance, Motorplex is here to help! With shops in Auburn and Spokane, WA, our team is ready and waiting. Contact us now to book an appointment in Auburn, WA or Spokane, WA!
