{HEAD ~ A method} for detecting speed faults in a hybrid powertrain having engine and electric machine speed inputs includes directly sensing the engine and machine speeds and performing {TAIL ~ comparisons} of sensed engine speed with engine speed determined based upon the machine speeds 
includes performing
{ HEAD ~ A method } for detecting speed faults in a hybrid powertrain having engine and electric machine speed inputs includes directly sensing the engine and machine speeds and performing { TAIL ~ comparisons } of sensed engine speed with engine speed determined based upon the machine speeds
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH