Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

Date Published

OCT 16, 2001

NHTSA TSB #

627998

TSB Document

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# 161001.

Summary

BRIEF INFORMATION ON VEHICLES EXHIBITING DIAGNOSTIC TROUBLE CODE P0420 CATALYST SYSTEM LOW EFFICIENCY BANK ONE. *TT