October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

DTC P0603 - Powertrain Control Module (Pcm) Memory Reset: Condition

PCM has detected a failure in communication circuitry. Replace PCM if DTC P0603 is set. DTC P0603 will set when an EEPROM data readout occurs.