Affected Component: ENGINE AND ENGINE COOLING:ENGINE

Date Published

JUN 01, 2005

NHTSA TSB #

10017421

TSB Document

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

You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# 05520.

Summary

PRODUCT EMISSION RECALL - THE ENGINE CONTROL MODULE (ECM) MAY HAVE BEEN CONFIGURED WITHOUT CERTAIN CALIBRATION INFORMATION BECAUSE OF MISSING INJECTOR TRIM PROGRAMMING VALUES. WHEN THE ECM DOES NOT HAVE THIS INFORMATION, THE ENGINE MAY NOT MEET HORSEPOWER SPECIFICATIONS. *TT