What does the 2015 chevy malibu code p058d mean?

In a 2015 Chevy Malibu the code P058D refers to a problem with the battery sensor module harness. This is an open or poor connection. This sensor can be found under the negative battery connection to the terminal. This code can be triggered if the vehicle was recently jump-started and if there is a problem with the alternator. Before replacing the sensor clean the negative terminal so it is free of corrosion. Also, check the charging system with the alternator. If everything is okay but the code is not clear, then unfortunately You should change the sensor. A diagnose for a P058D Chevy Malibu code is usually arrived at by using an OBD-II scanner at a mechanic shop or auto parts store.