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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P1302 Boost Calibration Low
Volkswagen Injector Circuit High severity
P1303 EGR Calibration Fault
Volkswagen Auxiliary Emissions Control Medium severity
P1305 Ignition Coil 2 Primary Feedback Circuit
Volkswagen Ignition System High severity
P1306 Kickdown Relay Pull In Circuit Fault
Volkswagen Transmission System High severity
P1308 A/C Clutch Circuit Fault
Volkswagen Vehicle Speed and Idle Control System Low severity
P1309 Misfire Detection Monitor Not enabled
Volkswagen Ignition System High severity
P1310 Ignition Coil 3 Primary Feedback Circuit
Volkswagen Ignition System High severity
P1312 Ignition Coil Knock Detection Cylinder 1 & 2
Volkswagen Ignition System High severity
P1313 Misfire Rate Catalyst Damage Fault Bank 1
Volkswagen Ignition System High severity
P1315 Ignition Coil 4 Primary Feedback Circuit
Volkswagen Ignition System High severity
P1316 Ignition Diagnostic Monitor Codes Detected
Volkswagen Ignition System High severity
P1320 IC Module 4X Ref Circuit Intermittent No Pulses
Volkswagen Ignition System High severity
P1323 IC 24X Reference Circuit Low Frequency
Volkswagen Ignition System High severity
P1324 Crank RPM Too Low
Volkswagen Ignition System High severity

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