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Service bulletin 14-06-04-001

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10137778
Published by NHTSA2018-05-21
Manufacturer's number14-06-04-001
Manufacturer's date2014-01-15
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

NHTSA's summary

This technical bulletin provides a procedure to replace the exhaust pipes and catalytic converters for the customers concern of the MIL illuminated.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Exhaust and emissions, Catalytic converter

Vehicles listed
CHEVROLET CORVETTE2009, 2010, 2011

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
060601010D2018-06-04. Service bulletin. This informational bulletin explains how the catalytic converters may need an inspection, cleaning or replacement if debris have entered the exhaust system.
PIP5232A2018-05-07. Service bulletin. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the grounds ring terminal at the engine block for the bank with the concern and repair the wire.
PIP52322018-05-07. Service bulletin. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the grounds ring terminal at the engine block for the bank with the concern and repair the wire.
PIP5232B2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the grounds ring terminal at the engine block for the bank with the concern and repair the wire.
PIP5232C2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the coil grounds ring terminal at the engine block for the bank with the concern and repair the wire.
PER-145232015-10-31. Service bulletin. CHEVROLET: TSB CONTAINS A NOTIFICATION OF AN OWNER'S LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. SOME VEHICLES ARE EMITTING EXCESSIVE AIR POLLUTANTS THAT FAILS CALIFORNIA EMISSION VEHICLE STANDARDS AND ENGINE CONTROL MODULE MUST BE REPROGRAMMED AND CATALYTIC CONVERTERS REPLACED. MODEL 2008-09 CORVETTE. *PE