566 SPN Fault Code

Name:

Differential Lock State � Central Rear

Description:

State used which indicates the condition of the central rear differential lock. The differential locks are located as defined in figure SPN564_A.00b = Differential lock disengaged 01b = Differential lock engaged 10b = Error 11b = Not available

566 spn fault code name is Differential Lock State � Central Rear. If you don't take the time to look into 566 spn fault when it arises, it can add up quickly. One small issue like 566 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 566 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.

566 SPN Fault Code

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