The only way to clear a PDTC is to fix the underlying problem with the vehicle that originally caused the PDTC and its corresponding DTC to set, and then allow the vehicle sufficient drive time to re-run the monitor that identified the problem in the first place.

Can you permanently delete check engine codes?

Can You Permanently Delete Codes? By using an OBD2 Scanner, you can permanently delete the engine codes. There is no need to worry about it since they can tell you if something is wrong.

Does disconnecting battery clear codes?

Disconnecting the battery will clear the error codes and reset the check engine light.