FixVault

Home › Porsche › 2017 › 911 Turbo, 2D Convertible › Repair and Diagnosis › Quick Lookups › DTC Index -- 911 › DTC P1555: Control Unit Function Monitoring, Wake-Up › Fault effects

Fault effects

None if this is only a once-off occurrence.
or
Starting with the key was refused or aborted or took too long.