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.
Free on OBD DashX
Looking for real-world repair data?
OBD DashX shows which problems come with each code, how often they show up in other vehicles, and how to fix them — step by step.
- Real-world fix data
- How often it happens
- Step-by-step repairs
Fault codes
P1173
Throttle Actuation Potentiometer Signal 2 Signal Too High
Volkswagen
Fuel and Air Metering
High severity
P1177
O2 Correction Behind Catalyst B1 Limit Attained
Volkswagen
Fuel and Air Metering
Medium severity
P1182
Linear Oxygen Sensor Reference Voltage Short To Ground
Volkswagen
Fuel and Air Metering
Medium severity
P1186
Linear Oxygen Sensor Common Ground Short To Positive
Volkswagen
Fuel and Air Metering
Medium severity
P1189
Linear O2 Sensor Compensation Resistor Short to B
Volkswagen
Fuel and Air Metering
Medium severity
P1192
Electronic Throttle System Limp home - Target Follow Malfunction
Volkswagen
Fuel and Air Metering
High severity
P1195
Electronic Throttle System Limp Home - Target Following Delay
Volkswagen
Fuel and Air Metering
High severity
P1196
O2S Heater Circuit Bank 1 Sensor 1 Electrical Malfunction
Volkswagen
Fuel and Air Metering
Medium severity
P1197
O2S Heater Circuit Bank 2 Sensor 1 Electrical Malfunction
Volkswagen
Fuel and Air Metering
Medium severity
P1198
O2S Heater Circuit Bank 1 Sensor 2 Electrical Malfunction
Volkswagen
Fuel and Air Metering
Medium severity
P1204
Fuel Injector Circuit Cylinder 4 Electrical Malfunction
Volkswagen
Injector Circuit
High severity
P1207
Fuel Injector Circuit Cylinder 7 Electrical Malfunction
Volkswagen
Injector Circuit
High severity
Scan your own car
Read and clear fault codes, live data and service resets with the CaRPM app.