CUMMINS ISB 4255 SPN Fault Code

Name:

Transmission Requested Launch Gear

Description:

Initial gear for the transmission to start out in when the vehicle is launched from a standing stop, as specified by the vehicle operator or vehicle system. Automatic transmissions typically default to starting out in 1st gear. However, in applications such as those with very low gearing, it is desirable to launch the vehicle in a range higher than 1st. For example, when the vehicle has little or no payload, the operator may wish to launch from 2nd or 3rd gear to avoid stacked, unnecessary shifts in the lower ranges.The intent of SPN 4255 is to request the initial starting range to be used when the vehicle gets underway from a stop; it does not request direction changes (forward / reverse). SPN 525 sets the direction requested by the operator. For example, if SPN 525 is requesting a Reverse range, any SPN 4255 value indicating a desired forward launch gear would be ignored by the transmission controller. The SPN 4255 value is only utilized by the transmission controller when its direct

CUMMINS ISB 4255 spn fault code name is Transmission Requested Launch Gear. If you don't take the time to look into CUMMINS ISB 4255 spn fault when it arises, it can add up quickly. One small issue like CUMMINS ISB 4255 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 CUMMINS ISB 4255 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.

CUMMINS ISB 4255 SPN Fault Code

Name:

Description:

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