Your car's Engine Control Module (ECM) monitors all the sensors in the vehicle to make sure that the car's systems are running as they're supposed to. ... When an issue arises, the ECM will log an error code that lets you know the source of the problem.
What codes will a bad ECM throw?
Here are a few of the most common:
- The P0600 Code: This code means that there's a problem with one of the sensors connected to your ECM. ...
- The P0700 Code: This code means that there's an error with your TCM. ...
- The P0606 Code: This code is produced when there's a problem with your vehicle's PCM.
Is there a way to test an ECM?
Using a Scanner and Process of Elimination. ... In order to get those codes you will need to plug your scanner into the OBD-II port and from there it will notify you of any codes which are provided by the ECM so you can perform the proper diagnostic test.
