help code 0u122 and u2100 ( Lost Communication with Vehicle Dynamics Control Module".

[fredy05]

Is anyone had this issue before that can help this brother out , im getting this code 0u122 and U2100 (Lost Communication with Vehicle Dynamics Control Module. Car run perfect no lights at all its just doesn't let me go above 80mph , no check engine light only way to see the issue is with my tuning device ...thanks

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[ORRadtech]

Sorry, No specific help.
But from what I have seen a loss of communication is often a result of a bad ground, wiring problems often due to rodents or a bad module. There are obviously other possibilities but I'd call those the big three.
A good scan tool can help and a small hand-held oscilloscope is another good tool for tracking down your lost signal. Good luck, CANBUS issues can be difficult.

 

[fredy05]

Sorry, No specific help.
But from what I have seen a loss of communication is often a result of a bad ground, wiring problems often due to rodents or a bad module. There are obviously other possibilities but I'd call those the big three.
A good scan tool can help and a small hand-held oscilloscope is another good tool for tracking down your lost signal. Good luck, CANBUS issues can be difficult.

Thanks for the help, im ordering a forscan today so i can take a better look ,i can only see the codes with my scr x4

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