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Makes 🢒 Chevrolet 🢒 2001 🢒 Corvette 🢒 Bulletins 🢒 Lack of Power Following a Wide Open Throttle 4-2 or 3-2 Downshift and Subsequent 2-3 Upshift (Reprogram PCM)

Lack of Power Following a Wide Open Throttle 4-2 or 3-2 Downshift and Subsequent 2-3 Upshift (Reprogram PCM)

Subject:Lack of Power Following a Wide Open Throttle 4-2 or 3-2 Downshift and Subsequent 2-3 Upshift (Reprogram PCM)

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 starting September 2001, on the TIS 2000 version TIS 10/2001 data update or later. Reprogram the PCM with the new calibration.

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

J6355

Powertrain Controller-- Reprogram

0.4 hr