1129 SPN Fault Code

Name:

Engine Turbocharger 3 Boost Pressure

Description:

Gage pressure of air measured downstream of the compressor discharge side of the turbocharger. See also SPN 102 for alternate range and resolution. If there is only one boost pressure to report and the range and resolution in SPN 102 is adequate, then it should be used.

1129 spn fault code name is Engine Turbocharger 3 Boost Pressure. If you don't take the time to look into 1129 spn fault when it arises, it can add up quickly. One small issue like 1129 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 1129 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.

1129 SPN Fault Code

Name:

Description:

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