Diagnostic Aids
WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. 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 table.
- Other internal transmission failures may cause more than one shift to occur.
- Refer to the SHIFT SOLENOID VALVE STATE AND GEAR RATIO table.