What it does
After PCU, developer, ITB, or ID sensor work. Let it finish — walking away mid-MUSIC is how you get 390/396.
How to enter it
1. 3011#
Group SP3-011. On many gens 003 is the process-control self-check execute. Stay in front of it until Ready.
2. If it fails
Clean ID sensors, then developer. Do not keep forcing it on a dirty ID.
Related SP
Related codes
Nibbles move by serial. Raicoh is a field companion — if the screen is not what this card says, stop and open the FSM.