You can continue to reset your computer after installing the new parts so that the engine control can “learn” the new parts and store the new data. These codes will direct you to the source of the problem, allowing you to begin removing parts in an attempt to resolve the problem. One way to reset computer is by disconnecting your battery cable for 2 to 3 minutes and then waiting to check if the check engine light comes back on as you reconnect the battery then starting the car.įor the ECU to understand, drive the car for at least 10 miles if there is an issue with your vehicle, the check engine light will come back on, and you can examine the fault code that the ECU generates.

Reset Car Computer After Replacing Battery.

You can reset your Engine control modules in a few different ways and they are the following: Reset Car Computer After Replacing Battery: Ways to Do an ECU Reset Before disconnecting the battery, locate any codes and have them, as well as the drivability learning procedures, on hand. In many cars, however, you can reset car computer after replacing battery to delete not only diagnostic trouble codes, but also drivability, security, and radio codes. It may be possible to delete diagnostic trouble if you have tested and repaired the problem.Ī scanner is the best way to do this, but if you don't have one, disconnecting the battery on several vehicles would suffice. The engine light indicates that a sensor has sent a signal to the ECM indicating that it is out of specification and that it needs to be tested.

Some people believe that resetting the computer, or electronic control module, in their car would solve the problems that their engine light is indicating. You should reset your ECU before removing any parts to ensure that replacements are completely required.

If your check engine light comes on, there's a good chance your car has an internal electrical problem that needs to be fixed.

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