7439 SPN Fault Code

Name:

Predictive Cruise Control Maximum Negative Offset

Description:

Maximum speed decrease that the predictive cruise control (PCC) is allowed to request. This may be adjusted by the operator (either directly or indirectly) to tailor the performance of the PCC system.This parameter is used in conjunction with maximum positive offset (SPN 7438) and cruise set speed (SPN 86 or SPN 6809) to define the operating range of the PCC system.

7439 spn fault code name is Predictive Cruise Control Maximum Negative Offset. If you don't take the time to look into 7439 spn fault when it arises, it can add up quickly. One small issue like 7439 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 7439 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.

7439 SPN Fault Code

Name:

Description:

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