Automatic Transmission - Stuck in Neutral
Another Corvette concern involves an automatic transmission that gets stuck in neutral. This affects all 2006 and 2007 models equipped with an automatic transmission, up to VIN 75105780.

Quick shifting from PARK to DRIVE after starting the vehicle can bind the shift lock control. This happens because the ECM requires at least one second to release the Transmission Shift Control Solenoid before the driver should move the shift lever.

Prior to the introduction of Keyless Access, the driver turned the ignition key and then moved to the shift lever – this gave the ECM enough time to send and receive signals.
With Easy Key, if the driver presses the START button and then immediately shifts the transmission shift lever, it is possible to beat the shift lock control signal to the ECM.

Cam Lock Normal Condition Cam Lock Released Properly
When this quick shifting occurs – the Cam Lock may not release – which causes the shifter to move without actually shifting gears. If the shift lever is placed into gear prior to the Shift Lock Control Solenoid deactivating the park pawl, the shift assembly can become jammed leaving the vehicle stuck in neutral.

An updated shifter assembly with improved tolerances will begin showing up on vehicles starting with VIN number 75405780. This revised shift assembly will have the same part number as the current shifter assembly.