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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P1468 SSPOD Open Circuit or Closed Circuit Fault
Vehicle Speed and Idle Control System Low severity
P1470 A/C Cycling Period Too Short
Vehicle Speed and Idle Control System Low severity
P1472 Electrodrive Fan 2 Operational Failure (Passenger Side)
Vehicle Speed and Idle Control System Low severity
P1477 Additional Fan Relay Circuit Malfunction
Vehicle Speed and Idle Control System Low severity
P1481 Fan Secondary Low With High Fan On
Vehicle Speed and Idle Control System Low severity
P1487 EGRCHK Solenoid Circuit Malfunction
Auxiliary Emissions Control Medium severity
P1501 Vehicle Speed Sensor Out Of Self Test Range
Vehicle Speed and Idle Control System High severity
P1502 Vehicle Speed Sensor Intermittent Malfunction
Vehicle Speed and Idle Control System High severity
P1504 Idle Air Control Circuit Malfunction
Vehicle Speed and Idle Control System High severity
P1510 Idle Signal Circuit Malfunction
Vehicle Speed and Idle Control System High severity
P1511 Idle Switch (Electric Control Throttle) Circuit Malfunction
Vehicle Speed and Idle Control System High severity
P1518 Intake Manifold Runner Control (Stuck Open)
Fuel and Air Metering High severity
P1521 Variable Intake Solenoid 1 Circuit Malfunction
Fuel and Air Metering High severity
P1524 Variable Intake Solenoid System
Fuel and Air Metering High severity
P1529 SCAIR Solenoid Circuit Malfunction
Vehicle Speed and Idle Control System Low severity

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