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
P1483
Secondary Air Injection Pump Relay 2 Short To Ground
Mercedes Benz
Auxiliary Emissions Control
Medium severity
P1484
Secondary Air Injection Pump Relay 2 Electrical Circuit Malfunction
Mercedes Benz
Auxiliary Emissions Control
Medium severity
P1490
Evaporative Emission Canister Purge Valve Defective
Mercedes Benz
Auxiliary Emissions Control
Low severity
P1500
Fuel Pump Relay Electrical Circuit Malfunction
Mercedes Benz
Fuel and Air Metering
High severity
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