Scanned found codes P0520 and P0522 diagnosed and found oil pressure switch reading zero psi had voltage when key on inspected wiring and didn't find any problems needs oil pressure switch replaced
Replaced both battery cable ends first and charged battery Has 2.5 amp draw Found Totally Integrated Power Module shorted inside and keeping power to transmission control module
Bud R. gave our service a 5 star review on 10/4/2022