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
P2573
Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Perf4
Auxiliary Emissions Control
Medium severity
P2576
Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Interim/Erratic
Auxiliary Emissions Control
Medium severity
P2587
Turbocharger Boost Control Position Sensor B Circuit Range/Performance
Injector Circuit
High severity
P2591
Cruise Control Front Distance Range Sensor Left
Vehicle Speed and Idle Control System
Medium severity
P2612
A/C Refrigerant Distribution Valve Ctrl Circuit Low
Vehicle Speed and Idle Control System
Low severity
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