3690 SPN Fault Code

Name:

Message Checksum

Description:

The message checksum is used to verify the signal path from the demanding device to the steering controller. The support of this parameter is mandatory if PGN 61469 is supported as there is no means to indicate � not available �.The 4 bit checksum is the sum of the high nibble and the low nibble of the sum of the identifier, the first 7 data bytes and the 4 bit message counter. It is calculated as follows: Checksum = (Byte1 + Byte2 + Byte3 + Byte4 + Byte5 + Byte6 + Byte7 + (message counter & 0Fh) + message ID low byte + message ID mid low byte + message ID mid high byte + message ID high byte) Checksum = ((Checksum >> 4) + Checksum) & 0Fh

3690 spn fault code name is Message Checksum. If you don't take the time to look into 3690 spn fault when it arises, it can add up quickly. One small issue like 3690 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 3690 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.

3690 SPN Fault Code

Name:

Description:

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