8840 SPN Fault Code

Name:

Commanded Receive SPN Requested State

Description:

Identifies the receive enable state being commanded for the specified SPN on the port identified in SPN 8837. This parameter is only valid when SPN 8838 is set to ‘Configure Port Receive State’ (1). For transaction modes where this parameter is not applicable, this parameter shall be set to 1.00b = SPN reception shall be disabled for the source address identified in SPN 8841. 01b = SPN reception shall be enabled for the source address identified in SPN 8841. 10b = SAE Reserved 11b = Not Available

8840 spn fault code name is Commanded Receive SPN Requested State. If you don't take the time to look into 8840 spn fault when it arises, it can add up quickly. One small issue like 8840 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 8840 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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