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
P1421
Secondary Air Injection Valve Circuit Short To Ground
Skoda
Auxiliary Emissions Control
Medium severity
P1422
Secondary Air Injection Valve Circuit Short To B
Skoda
Auxiliary Emissions Control
Medium severity
P1427
Brake System Vacuum Pump Activation Short To Positive
Skoda
Vehicle Speed and Idle Control System
Low severity
P1430
Brake System Vacuum Pump Activation Open Circuit/Short To Positive
Skoda
Vehicle Speed and Idle Control System
Low severity
P1445
Catalyst Temperature Sensor 2 Circuit Range/Performance
Skoda
Auxiliary Emissions Control
Medium severity
P1449
Catalyst Temperature Sensor 2 Circuit Open/Short to B
Skoda
Auxiliary Emissions Control
Medium severity
P1459
Exhaust Gas Temperature Sensor 2 Range/Performance
Skoda
Vehicle Speed and Idle Control System
Medium severity
P1461
Exhaust Gas Temperature Control Bank 1 Range/Performance
Skoda
Vehicle Speed and Idle Control System
Medium severity
P1468
EVAP Canister Purge Solenoid Valve Short Circuit to Ground
Skoda
Auxiliary Emissions Control
Low severity
P1471
EVAP Control System LDP Circuit Short to Positive
Skoda
Auxiliary Emissions Control
Low severity
P1476
EVAP Control System LDP Malfunction/Insufficient Vacuum
Skoda
Auxiliary Emissions Control
Low severity
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