Diagnosed a no crank no start problem. Engine turns over, was able to activate starter. Found oil in the coolant. Could not scan any modules, found CAN bus down. Disconnected wiring connector to TCM, CAN resistance ok, scanned ECM. P1610 Lock mode Current....

FIX posted 8/18/2025

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle