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
P1478
EVAP Control System LDP Clamped Tube Detected
Maruti Suzuki
Auxiliary Emissions Control
Low severity
P1479
Brake Vacuum System Mechanical Malfunction
Maruti Suzuki
Vehicle Speed and Idle Control System
Low severity
P1484
Secondary Air Injection Pump Relay 2 Electrical Circuit Malfunction
Maruti Suzuki
Auxiliary Emissions Control
Medium severity
P1489
EVAP Canister Purge Regulator Valve 2 Short To B
Maruti Suzuki
Auxiliary Emissions Control
Low severity
P1491
EVAP Canister Purge Regulator Valve 2 Open Circuit
Maruti Suzuki
Auxiliary Emissions Control
Low severity
P1001
Key On/Engine Running Not Able To Complete
Toyota
Vehicle Speed and Idle Control System
High severity
P1018
Intake Manifold Runner Bank 2 Lower Limit Not Reached
Toyota
Fuel and Air Metering
High severity
P1026
Intake Manifold Air Control Solenoid Short To Positive
Toyota
Fuel and Air Metering
High severity
P1029
Intake Manifold Air Control Valve Position Sensor Upper Limit Not Reached
Toyota
Fuel and Air Metering
High severity
P1034
Nitrogen Oxides Sensor Signal Outside Tolerance
Toyota
Auxiliary Emissions Control
Medium severity
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