9171 SPN Fault Code

Name:

Transfer Case Message Counter

Description:

The message counter is used to detect situations where the transmitting ECU malfunction repeats the same frame all the time. The receiver of the information may use the counter parameter to detect this situation. The transmitting device will increase the message counter in every cycle. The message counter will count from 0 to 7 and then wrap.The values 8h thru Eh are SAE reserved and should be ignored by the receiver. Value Fh (all bits set to 1) will indicate that the message counter is not available. For compatibility purposes, TCI should also be honored if the message counter is not available from the transmitting device.

9171 spn fault code name is Transfer Case Message Counter. If you don't take the time to look into 9171 spn fault when it arises, it can add up quickly. One small issue like 9171 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 9171 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.

9171 SPN Fault Code

Name:

Description:

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