Loose air intake tract issues usually results in MAF sensor related codes and not what you saw.
I see there is a TSB for 2018's in regards to the P34C5 code. This module is mounted near the battery box if the module is indeed the cause: https://static.nhtsa.gov/odi/tsbs/2018/MC-10130502-9999.pdf
Valve timing concerns are often caused by running the oil level too low as well. These systems rely on oil pressure to work. Always check your oil first.
I see there is a TSB for 2018's in regards to the P34C5 code. This module is mounted near the battery box if the module is indeed the cause: https://static.nhtsa.gov/odi/tsbs/2018/MC-10130502-9999.pdf
Valve timing concerns are often caused by running the oil level too low as well. These systems rely on oil pressure to work. Always check your oil first.
