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
P1433
A/C Refrigerant Temperature Circuit Low
Mercedes Benz
Auxiliary Emissions Control
High severity
P1434
A/C Refrigerant Temperature Circuit High
Mercedes Benz
Auxiliary Emissions Control
High severity
P1436
A/C Evaporator Air Temperature Circuit Low
Mercedes Benz
Auxiliary Emissions Control
High severity
P1443
Evaporative Emission Canister Purge Valve Malfunction
Mercedes Benz
Auxiliary Emissions Control
Low severity
P1451
Secondary Air Injection Circuit Short To Ground
Mercedes Benz
Auxiliary Emissions Control
Medium severity
P1456
Exhaust Gas Temperature Control Bank 1 Limit Attained
Mercedes Benz
Vehicle Speed and Idle Control System
Medium severity
P1457
Exhaust Gas Temperature Sensor 2 Open/Short to B
Mercedes Benz
Vehicle Speed and Idle Control System
Medium severity
P1462
Exhaust Gas Temperature Control Bank 2 Range/Performance
Mercedes Benz
Vehicle Speed and Idle Control System
Medium severity
P1468
EVAP Canister Purge Solenoid Valve Short Circuit to Ground
Mercedes Benz
Auxiliary Emissions Control
Low severity
P1471
EVAP Control System LDP Circuit Short to Positive
Mercedes Benz
Auxiliary Emissions Control
Low severity
P1474
EVAP Canister Purge Solenoid Valve Electrical Malfunction
Mercedes Benz
Auxiliary Emissions Control
Low severity
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