4242 SPN Fault Code

Name:

Transmission Reverse Gear Shift Inhibit Request

Description:

Allows devices external to the normal transmission shift selector system to request the transmission to inhibit shifts into any Reverse gear and force the transmission into Neutral if it is currently in Reverse or attempting to shift to Reverse. These transmission responses occur regardless of shift selector (Forward, Neutral or Reverse) position at the time the request is received.This request would typically come from a component wishing to override the vehicle operator�s ability to shift or keep the transmission in Reverse. For example, the control system of a rear-loading refuse packer may wish to prevent shifts to reverse when it detects the presence of someone behind the vehicle. Reverse gear shift inhibits include all �Neutral-to-Reverse� shifts and �Forward-to-Reverse� shifts; the ability of the transmission to complete �Neutral-to-Forward� or �Forward-to-Forward� gear shifts is not impacted. If the transmission is in Reverse or attempting to shift to Reverse and receives an ac

4242 spn fault code name is Transmission Reverse Gear Shift Inhibit Request. If you don't take the time to look into 4242 spn fault when it arises, it can add up quickly. One small issue like 4242 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 4242 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.

4242 SPN Fault Code

Name:

Description:

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