P30D5 Code – NOx Sensor 3 Signal Message Counter Incorrect
Code P30D5 Possible CausesFaulty NOx Sensor 3NOx Sensor 3 circuit poor electrical connectionNOx Sensor 3 harness is open or shortedFaulty Powertrain Control ModuleLow battery voltage
OBDII Codes including PXXXX, UXXXX, CXXXX, BXXXX
Code P30D5 Possible CausesFaulty NOx Sensor 3NOx Sensor 3 circuit poor electrical connectionNOx Sensor 3 harness is open or shortedFaulty Powertrain Control ModuleLow battery voltage
Code P30BD Possible CausesEngine Control Module circuit poor electrical connectionEngine Control Module harness is open or shortedFaulty Engine Control Module ECM
Code P3495 Possible CausesFaulty Cylinder Deactivation SolenoidLow oil pressureRestricted oil passageFaulty Engine Control Module ECM
Code P3494 Possible CausesFaulty Cylinder Deactivation SolenoidLow oil pressureRestricted oil passageCylinder Deactivation Solenoid circuit poor electrical connectionCylinder Deactivation Solenoid harness is open or shortedEngine mechanical condition
Code P3491 Possible CausesFaulty Cylinder Deactivation SolenoidLow oil pressureRestricted oil passageCylinder Deactivation Solenoid circuit poor electrical connectionCylinder Deactivation Solenoid harness is open or shortedEngine mechanical condition
Code P3485 Possible CausesFaulty Cylinder Deactivation SolenoidLow oil pressureRestricted oil passageCylinder Deactivation Solenoid circuit poor electrical connectionCylinder Deactivation Solenoid harness is open or shortedEngine mechanical condition
Code P3481 Possible CausesFaulty Cylinder Deactivation SolenoidLow oil pressureRestricted oil passageCylinder Deactivation Solenoid circuit poor electrical connectionCylinder Deactivation Solenoid harness is open or shortedEngine mechanical condition
Code P3480 Possible CausesFaulty Cylinder Deactivation SolenoidLow oil pressureRestricted oil passageCylinder Deactivation Solenoid circuit poor electrical connectionCylinder Deactivation Solenoid harness is open or shortedEngine mechanical condition
Code P3473 Possible CausesFaulty Cylinder Deactivation SolenoidLow oil pressureRestricted oil passageCylinder Deactivation Solenoid circuit poor electrical connectionCylinder Deactivation Solenoid harness is open or shortedEngine mechanical condition
Code P3471 Possible CausesFaulty Cylinder Deactivation SolenoidLow oil pressureRestricted oil passageCylinder Deactivation Solenoid circuit poor electrical connectionCylinder Deactivation Solenoid harness is open or shortedEngine mechanical condition