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
P1453
Secondary Air Injection Pump Relay Control Circuit Electrical
Mercedes Benz
Vehicle Speed and Idle Control System
Medium severity
P1455
Exhaust Gas Temperature Sensor 1 Range/Performance
Mercedes Benz
Vehicle Speed and Idle Control System
Medium severity
P1459
Exhaust Gas Temperature Sensor 2 Range/Performance
Mercedes Benz
Vehicle Speed and Idle Control System
Medium severity
P1461
Exhaust Gas Temperature Control Bank 1 Range/Performance
Mercedes Benz
Vehicle Speed and Idle Control System
Medium severity
P1463
Secondary Air Injection System Defective
Mercedes Benz
Auxiliary Emissions Control
Medium severity
P1469
EVAP Canister Purge Solenoid Valve Open Circuit
Mercedes Benz
Auxiliary Emissions Control
Low severity
P1475
EVAP Control System LDP Malfunction/Signal Circuit Open
Mercedes Benz
Auxiliary Emissions Control
Low severity
P1478
EVAP Control System LDP Clamped Tube Detected
Mercedes Benz
Auxiliary Emissions Control
Low severity
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