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A/T - 4T40E and 4T45E Updates

Bulletin No.: 03-07-30-025

Date: June 17, 2003

INFORMATION

Subject:
2004 Model Year Changes for 4T40E and 4T45E Transmissions

Models:
2004 Chevrolet Cavalier, Classic, Malibu
2004 Oldsmobile Alero
2004 Pontiac Grand Am, Sunfire

The purpose of this bulletin is to introduce new changes for the 2004 model year 4T40E and 4T45E transmissions.

Electronic Range Selector Mode Models (Malibu)

The electronic range selector mode has the following new DTCs:

^ P0815 - Upshift Switch Circuit
^ P0816 - Downshift Switch Circuit
^ P0826 - Up and Down Shift Switch Circuit
^ P0876 - Up and Down Shift Switch Performance - Range Switch Not in D3
^ P1877 - Up and Down Shift Switch Performance - Range Switch in D3





New Spacer Plate for Electronic Range Selector Mode Models (Malibu)





New Hydrophobic Filter/Vent and Filler Cap with Case Baffle





Valve Body Assembly, TCC Control Valve





Decontented Transmission Fluid Pressure (TFP)





New NSBU Switch