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
P1414
Bank 2 Secondary Air Injection System Leak Detect
Skoda
Auxiliary Emissions Control
Medium severity
P1423
Bank 1 Secondary Air Injection System Output Too Small
Skoda
Auxiliary Emissions Control
Medium severity
P1429
Brake System Vacuum Pump Activation Open Circuit
Skoda
Vehicle Speed and Idle Control System
Low severity
P1431
Brake System Vacuum Pump Activation Open Circuit/Short To Ground
Skoda
Vehicle Speed and Idle Control System
Low severity
P1433
Secondary Air Injection Pump Relay Circuit Open
Skoda
Auxiliary Emissions Control
Medium severity
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