OBD Codes

P2041 Reductant Injection Air Pressure Sensor “A” Circuit Intermittent P2042 Reductant Temperature Sensor Circuit P2043 Reductant Temperature Sensor Circuit Range/Performance P2044 Reductant Temperature Sensor Circuit Low P2045 Reductant Temperature Sensor Circuit High P2046 Reductant Temperature Sensor Circuit Intermittent P2047 Reductant Injection Valve Circuit/Open Bank 1 Unit 1 P2048 Reductant Injection Valve Circuit Low Bank 1 Unit 1 P2049 Reductant Injection Valve Circuit High Bank 1 Unit 1 P204A Reductant Pressure Sensor Circuit P204B Reductant Pressure Sensor Circuit Range/Performance P204C Reductant Pressure Sensor Circuit Low P204D Reductant Pressure Sensor Circuit High P204E Reductant Pressure Sensor Circuit Intermittent/Erratic P204F Reductant System Performance Bank 1 P2050 Reductant Injection Valve Circuit/Open Bank 2 Unit 1 P2051 Reductant Injection Valve Circuit Low Bank 2 Unit 1 P2052 Reductant Injection Valve Circuit High Bank 2 Unit 1 P2053 Reductant Injection Valve Circuit/Open Bank 1 Unit 2 P2054 Reductant Injection Valve Circuit Low Bank 1 Unit 2 P2055 Reductant Injection Valve Circuit High Bank 1 Unit 2 P2056 Reductant Injection Valve Circuit/Open Bank 2 Unit 2 P2057 Reductant Injection Valve Circuit Low Bank 2 Unit 2 P2058 Reductant Injection Valve Circuit High Bank 2 Unit 2 P2059 Reductant Injection Air Pump Control Circuit/Open P205A Reductant Tank Temperature Sensor Circuit P205B Reductant Tank Temperature Sensor Circuit Range/Performance P205C Reductant Tank Temperature Sensor Circuit Low P205D Reductant Tank Temperature Sensor Circuit High P205E Reductant Tank Temperature Sensor Circuit Intermittent/Erratic
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