2002 Isuzu Axiom "generator making funny noise" Questions

funny noise and vibrates, if you put your foot on the brake pedal it's hard like it was locked. Help! CODE 71 refers to: The Sensing Diagnostic Module. The SDM contains a sensing device which converts

...funny noise when it is really cold also. (below freezing) it sounds like you are getting a surge of voltage from your alternator/generator. Very strange. the dealer can run a diagnostic test & pull ...