DTC P0140 Audi
O2 Circuit No Activity Detected (Bank 1, Sensor 2)
O2 Circuit No Activity Detected (Bank 1, Sensor 2)
O2 Heater Circuit (Bank 1, Sensor 2) out of range ULEV
O2 circuit Bank 1 Sensor 3 heater check
O2 circuit Bank 1 Sensor 3 Short to ground
O2 circuit Bank 1 Sensor 3 Short to Batt. +
O2 Circuit Slow Response (Bank 1, Sensor 2)
O2 circuit Bank 1 Sensor 3 Open circuit
O2 circuit Bank 1 Sensor 3 heater check SULEV
O2 Sensor Circuit, Bank 2 Sensor 1 Malfunction
Bank 2- sensor 1 Voltage too low
O2 Sensor Circuit, Bank 2-Sensor 1 High Voltage
O2 Sensor Circuit Slow Response Bank 2 Sensor 1