Peterbilt 337 7658 SPN Fault Code

Name:

Engine Exhaust 1 NOx Sensor 2 Self-diagnosis Status

Description:

Self-diagnosis result status for the second NOx sensor in Engine Exhaust Bank 1 (EEB1h). This sensor is located at the intake of the aftertreatment system if an aftertreatment system exists. 000b = Diagnosis not active 001b = NOx Sensor EEB1h Self Diagnosis active flag 010b = NOx Sensor EEB1h Self Diagnosis Result Complete 011b = NOx Sensor EEB1h Self Diagnosis aborted 100b = NOx Sensor EEB1h Self Diagnosis not possible 101b = Reserved 110b = Reserved 111b = Not Supported

Peterbilt 337 7658 spn fault code name is Engine Exhaust 1 NOx Sensor 2 Self-diagnosis Status. If you don't take the time to look into Peterbilt 337 7658 spn fault when it arises, it can add up quickly. One small issue like Peterbilt 337 7658 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 Peterbilt 337 7658 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.

Peterbilt 337 7658 SPN Fault Code

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