6566 SPN Fault Code

Name:

Transmission Air Supply Pressure Indicator

Description:

Indicates whether transmission air supply is sufficient 000b = Normal Pressure Range � The transmission supply air pressure is within the normal operational range. 001b = Low pressure � The transmission supply air pressure is within a range that may reduce the transmission�s performance. 010b = Very low pressure � The transmission supply air pressure is below a range that will reduce the transmission�s performance. 011b = No pressure � The transmission supply air pressure is below a range that will stop the transmission from functioning. 100b = Over pressure � The transmission supply air pressure is above a range that may reduce the transmission�s performance. 101b = Not defined 110b = Error indicator 111b = Not available

6566 spn fault code name is Transmission Air Supply Pressure Indicator. If you don't take the time to look into 6566 spn fault when it arises, it can add up quickly. One small issue like 6566 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 6566 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.

6566 SPN Fault Code

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