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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P1231 Injector Circuit Cylinder 4 Intermittent
Audi Injector Circuit High severity
P1237 Injector Circuit Cylinder 6 Intermittent
Audi Injector Circuit High severity
P1243 Injector Circuit Cylinder 8 Intermittent
Audi Injector Circuit High severity
P1250 Fuel Level Too Low
Audi Auxiliary Emissions Control High severity
P0046 Turbocharger/Supercharger Boost Control A Circuit Range/Performance
Generic Injector Circuit High severity
P1257 Supercharger System Overboost
Audi Injector Circuit High severity
P1259 Engine Coolant System Valve Short To Ground
Audi Fuel and Air Metering High severity
P1260 Last Test Failed SCC
Audi Ignition System High severity
P1262 Cylinder 2 High To Low Side Short
Audi Injector Circuit High severity
P1265 Cylinder 5 High To Low Side Short
Audi Injector Circuit High severity
P1269 Injector 4 Implausible Signal
Audi Injector Circuit High severity
P1271 Accelerator Pedal Position Sensor 1-2 Correlation
Audi Vehicle Speed and Idle Control System Low severity
P1272 Accelerator Pedal Position Sensor 2-3 Correlation
Audi Vehicle Speed and Idle Control System Low severity
P1277 Accelerator Pedal Position Sensor 1 Circuit Low Voltage
Audi Vehicle Speed and Idle Control System Low severity
P1282 Accelerator Pedal Position Sensor 2 Circuit Low Voltage
Audi Vehicle Speed and Idle Control System Low severity

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