I get four trouble codes all four cps what can couse this? All so car won't start

What is your question?

Car was sitting for a few months, had to replace the battery, car turns over but won't start, checked with obd2 and codes read cam shafft possion sender on all four cps could a bad computer cause falty codes?? It has given lost communication with obc

What makes this problem better or worse?

Car won't start

How long has your 2004 Cadillac CTS had this problem?

Car was sitting a few months