966 SPN Fault Code

Name:

Engine Diagnostic Test Mode Switch

Description:

Switch signal which indicates the position of the engine diagnostic test mode switch. 00b = Off 01b = On 10b = Error 11b = Not available

966 spn fault code name is Engine Diagnostic Test Mode Switch. If you don't take the time to look into 966 spn fault when it arises, it can add up quickly. One small issue like 966 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 966 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.

Similar SPN Codes :

SPNFMI Faults and Engine error code check tool. SPN code listing with names and descriptions.

About Us | Contact | Privacy

Copyright 2021 - © SPNFMI.com