Code P2040 Possible Causes
Faulty Reductant Pump Assembly
Reductant Injection Air Pressure Sensor circuit poor electrical connection
Reductant Injection Air Pressure Sensor harness is open or shorted
Code P2040 Possible Causes
Faulty Reductant Pump Assembly
Reductant Injection Air Pressure Sensor circuit poor electrical connection
Reductant Injection Air Pressure Sensor harness is open or shorted