1437 SPN Fault Code

Name:

Road Speed Limit Status

Description:

Status (active or not active) of the system used to limit maximum vehicle velocity. 00b = Active 01b = Not Active 10b = Error 11b = Not available NOTE – While somewhat inconsistent with other J1939 status parameters, the states defining 00b = active and 01b = inactive for Road Speed Limit Status are NOT typographical errors, and should be implemented as stated.

1437 spn fault code name is Road Speed Limit Status. If you don't take the time to look into 1437 spn fault when it arises, it can add up quickly. One small issue like 1437 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 1437 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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