Joshua Heaton

I finished the DOD delete on my 2018 Silverado 6.2L after the lifter collapsed and bent a rod. Sent to a shop to get professional tuning. Once completed we cranked it up and it goes into reduced power mode as soon as the key is turned on. It throws a crankshaft and camshaft position code. Both sensors replaced and connections look good but still have same thing. When you try to delete the codes the engine shuts off. Tried to do a relearn and the engine shuts off. Tech said he has been through the whole wiring harness and didn't see any issues. Tried new ECM and same problem. Any ideas?