9040 SPN Fault Code

Name:

DC/DC 4 SLI Battery Terminal Voltage Maximum Limit Setting

Description:

Reports the active SLI Battery Voltage maximum limit (at the battery terminals). The setting may be requested by a separate device (see SPN 9043) or determined by the DC/DC Controller based on operating conditions.

9040 spn fault code name is DC/DC 4 SLI Battery Terminal Voltage Maximum Limit Setting. If you don't take the time to look into 9040 spn fault when it arises, it can add up quickly. One small issue like 9040 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 9040 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.

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SPNFMI Faults and Engine error code check tool. SPN code listing with names and descriptions.

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