Diagnostic Aids
WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Verify that the transmission meets the specifications in the Shift Speed .
- Other internal transmission failures may cause more than one shift to occur.
Refer to Shift Solenoid Valve State And Gear Ratio .