Subject: Lack of Power Following a Wide Open Throttle 4-2 or 3-2 Downshift and Subsequent 2-3 Upshift (Reprogram PCM)
Source: Chevrolet Dealer Technical Service Bulletin
Date: January 2002
Models: 2001 Chevrolet Corvette with 5.7L Engine (VIN G – RPO LS1)
Condition: Some customers may comment that the engine lacks power following a wide open throttle downshift, either 3-2 or 4-2, followed by a wide open throttle 2-3 upshift.
Correction: A new service calibration is available for this condition. This calibration is available from Techline on the TIS 2000 version TIS 10/2001 data update or later. Reprogram the PCM with the new calibration.
Article ID: 391
Created: July 21, 2014
Last Updated: July 21, 2014
Online URL: https://www.corvetteactioncenter.com/tech/knowledgebase/article/2001-corvette-service-bulletin-lack-of-power-following-a-wide-open-throttle-4-2-or-3-2-downshift-and-subsequent-2-3-upshift-391.html