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Home › Porsche › 2017 › 911 Turbo, 2D Convertible › Repair and Diagnosis › Quick Lookups › DTC Index -- 911 › DTC P1508: Control Unit Function Monitoring › Diagnostic conditions

Diagnostic conditions

Ignition on > 10 second(s)
then idling > 30 second(s)
then engine speed > 1, 000 rpm > 60 seconds with:
- Vehicle standstill