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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Fault codes
P1029
Intake Manifold Air Control Valve Position Sensor Upper Limit Not Reached
Skoda
Fuel and Air Metering
High severity
P1035
Nitrogen Oxides Sensor Range Performance Problem
Skoda
Auxiliary Emissions Control
Medium severity
P1051
Brake Switch Signal Missing or Improper
Skoda
Vehicle Speed and Idle Control System
High severity
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