9812 SPN Fault Code

Name:

Engine Exhaust NOx Sensor Power Supply

Description:

State signal which indicates when the engine exhaust NOx sensor power supply driver output is being driven. On means the ECU is powering the engine exhaust NOx sensor. Note that the ECU is external to the sensor.00b = Off 01b = On: The ECU is powering the Engine Exhaust NOx Sensor Power Supply 10b = Error 11b = Unavailable

9812 spn fault code name is Engine Exhaust NOx Sensor Power Supply. If you don't take the time to look into 9812 spn fault when it arises, it can add up quickly. One small issue like 9812 can cause a larger component to become damaged without taking the time to investigate. If you suspect your truck is suffering from one of these issues, look into replacing those small components to save money down the road.

Note: The name and description of 9812 code represents text descriptions for faults supported by another coding system and does not necessarily comply with SAE J1939. For a specific engine manufacturer's explanation for codes, please consult the engine's technical manual. See also other spn codes.

9812 SPN Fault Code

Name:

Description:

Similar SPN Codes :

Truck List With 9812 SPN Code :