Code says P0346, changed both camshaft position sensors. what casues low voltage on 2004 Isuzu Rodeo

I'm at a loss, service station says wiring is good, but code says low voltage. Cranks but will not start, where shoul I look next?

1 answer
Could be cam timing is out on one bank. Not uncommon to see dow pin shear off that lines up sprocket to camshaft.