Mal code 43

[Williams3982]

I know its the ESC module , but mine is connected fine . Resetted ECM still getting the SES light and MAL code on Scanmaster. Its also reading 13.5 for knock at idle but running fine lol, plus my o2s are reading 800 and staying there, it usually fluctuates.

Any help?

 

[Bescurred]

http://www.gnttype.org/maint/malf.html#43

http://www.vortexbuicks-etc.com/code_43.htm

 

[Williams3982]

http://www.gnttype.org/maint/malf.html#43

http://www.vortexbuicks-etc.com/code_43.htm

Awesome find!!! Thanks man

 

[Williams3982]

Car sat for a night and the MAL code and false knock went away.

 

[Bescurred]

Check your connections and grounds then...

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