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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P1317 Injector Circuit / IDM Codes Not Updated
Audi Injector Circuit High severity
P1320 IC Module 4X Ref Circuit Intermittent No Pulses
Audi Ignition System High severity
P1321 Electronic Ignition System Fault Line
Audi Ignition System High severity
P1323 IC 24X Reference Circuit Low Frequency
Audi Ignition System High severity
P1324 Crank RPM Too Low
Audi Ignition System High severity
P1325 Igniter Circuit Malfunction No 6
Audi Ignition System High severity
P1327 Knock Sensor 2 Low Input
Audi Ignition System High severity
P1328 Turbocharger Boost Control A Performance
Audi Injector Circuit High severity
P1329 Cylinder 5 Knock Control Limit Attained
Audi Ignition System High severity
P1330 Spark Timing Adjust Signal
Audi Ignition System High severity
P1332 Knock Sensor 4 Low Input
Audi Ignition System High severity
P1333 Knock Sensor 4 High Input
Audi Ignition System High severity
P1334 Ignition Coil Knock Detection Cylinder 3 & 4
Audi Ignition System High severity

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