Checking/Clearing Diagnostic Codes

WARNING: This page is about a different car, the 2019 Subaru BRZ. However, it is still accessible from the selected car via links, so may be relevant.

Checking diagnostic codes (reading with SSM4)
1. Turn the ignition switch to OFF.
2. Connect the SSM4 to the DLC3.
3. Turn the ignition to IG ON and use the SSM4 display to select [Each System] →[Body Control] →[DTC] to bring up the DTC check screen.
4. Check the diagnostic codes.
Clearing diagnostic code records (Cleared by the SSM4)
1. Turn the ignition switch to OFF.
2. Connect the SSM4 to the DLC3.
3. Turn the ignition to IG ON and use the SSM4 display to select [Each System] →[Body Control] →[Clear Memory].
4. Select [Deletion] to delete the diagnostic codes.
  CAUTION:
  - If deletion is not possible, retry it after turning the ignition to IG OFF and then on again.
  - Do not use the SSM4 to delete diagnostic codes until the cause of the trouble has been identified.