P0502 Chevrolet - which vss is A

Question

2001 silverado 5.3 4l60e 4x4 spedo dont work and wont shift geting a p0502 vehicle speed sensor A circuit low...where is vss A which one is A??

Answer 1

P0502 Vehicle speed sensor

When a code state sensor " A"  it referres to its reference voltage, think of this as a burnt out light bulb the power is given but there is no light, the fix replace the bulb.