po500 po503 and 1500changed all vss car still jerks 45mph

Question

Changed all vss sensors car bucks or jerks at 45mph could it be a coil problem

Answer 1

P0503 Vehicle speed sensor intermittent

P0503 and P1500 are the same code definition. If you have a intermittent VSS this would cause the buck or jerk . A faulty ignition coil can be a problem but it will not set a vehicle speed sensor code.

 A faulty ignition coil can cause the buck and jerks but it will not set a VSS code.