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P0621 Diagnostic Trouble Code Discussion for April 2006

Generator L-Terminal Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0621
Help Request Posted
2001 Oldsmobile Alero GL 2.4L No Start VIN: 1G3NL12T4I
P0621: Generator L-Terminal Circuit Malfunction. ... fuel filter, has good fuel pressure, good spark, no pulse to injectors. the alternator looks new, customer did not comment on replacement. codes po621,p1632 present. no check engine lite. Had a no start after alt replacement at a shop I worked, I did not w...
April 18, 2006
2001 Oldsmobile Alero GL 2.4L No Start VIN: 1G3NL12T4I
P0621: Generator L-Terminal Circuit Malfunction. ... fuel filter, has good fuel pressure, good spark, no pulse to injectors. the alternator looks new, customer did not comment on replacement. codes po621,p1632 present. no check engine lite. Had a no start after alt replacement at a shop I worked, I did not w...
April 18, 2006