Affected Component: ENGINE AND ENGINE COOLING

Date Published
OCT 19, 2020
NHTSA TSB #
10182322
TSB Document
Summary
This bulletin provides information related to the repair of DTC P0420 â??Catalytic Converter System Bank 1 - Efficiency Below Thresholdâ?? found stored in the Engine Control Module (ECM). The repair involves performing an ECM Update and replacement of the exhaust manifold catalyst.