OBD fault code library
Look up any P or U code to see what it means, what causes it, the parts involved and how it gets fixed.
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Fault codes
P1172
Throttle Actuation Potentiometer Signal 2 Signal Too Low
Audi
Fuel and Air Metering
High severity
P1181
Linear Oxygen Sensor Reference Voltage Open Circuit
Audi
Fuel and Air Metering
Medium severity
P1190
Linear O2 Sensor Reference Voltage Incorrect Signal
Audi
Fuel and Air Metering
Medium severity
P1192
Electronic Throttle System Limp home - Target Follow Malfunction
Audi
Fuel and Air Metering
High severity
P1195
Electronic Throttle System Limp Home - Target Following Delay
Audi
Fuel and Air Metering
High severity
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