4233 SPN Fault Code

Name:

Retarder Road Speed Limit Switch

Description:

Retarder road speed limit switch states: 00b = Road speed limiting by retarder is disabled 01b = Road speed limiting by retarder is enabled. When the speed limit is not set by a network device, the road speed that the retarder will limit to may be determined when the switch transitions from 00b to 01b. 10b = Error Indicator 11b = Not Available

4233 spn fault code name is Retarder Road Speed Limit Switch. If you don't take the time to look into 4233 spn fault when it arises, it can add up quickly. One small issue like 4233 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 4233 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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