bp0777Audi Fault code P0777 My Audi A3 2.0T shows fault code P0777 and i suspect faulty wiring to the Oil level sensor as i found it damaged so can someone help me with colour codes for the 3What is the Cost to Diagnose the Code? Labor: 1.0. To diagnose the P0777 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair