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
P045F
Exhaust Gas Recirculation B Control Stuck Closed
Generic
Auxiliary Emissions Control
Medium severity
P046B
Catalyst Temperature Sensor 1/2 Correlation Bank 2
Generic
Auxiliary Emissions Control
Medium severity
P046C
Exhaust Gas Recirculation Sensor A Circuit Range/Performance
Generic
Auxiliary Emissions Control
Medium severity
P046E
Exhaust Gas Recirculation Sensor B Circuit Range/Performance
Generic
Auxiliary Emissions Control
Medium severity
P046F
Exhaust Gas Recirculation Sensor B Circuit Intermittent/Erratic
Generic
Auxiliary Emissions Control
Medium severity
P047E
Exhaust Pressure Sensor B Circuit Intermittent/Erratic
Generic
Auxiliary Emissions Control
Medium severity
P047F
Exhaust Pressure Control Valve A Stuck Open
Generic
Auxiliary Emissions Control
Medium severity
P048B
Exhaust Pressure Control Valve Position Sensor/Switch Circuit
Generic
Auxiliary Emissions Control
Medium severity
P048D
Exhaust Pressure Control Valve Position Sensor/Switch Circuit Low
Generic
Auxiliary Emissions Control
Medium severity
P048E
Exhaust Pressure Control Valve Position Sensor/Switch Circuit High
Generic
Auxiliary Emissions Control
Medium severity
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