PIE0480A

File in Section:
Bulletin No.:
Service Bulletin
Date:
PIE0480A
November, 2018
ENGINEERING INFORMATION
Subject:
Engineering Information – Exhaust Smell in Vehicle, Exhaust Noise Heard Coming
from Under Hood, Check Engine Light On, DTCs P0442, P0496, P0455, P0430 and
P0420 Set
This PI has been revised to end the need for information from the field. Please discard
PIE0480.
Brand:
Model:
Cadillac
XTS
Chevrolet
Impala
Model Year:
VIN:
from
to
2013
2018
from
to
Engine:
Transmission:
Equipped with
3.6L Engine
If you encounter a vehicle with the above condition, refer to SI for further diagnosis.
Version
2
Modified
Released August 14, 2018
Revised November 09, 2018 – Ended the need for further information from the field.