Code 90, TCC Solenoid Circuit: Notes
WARNING: This page is about a different car, the 1994 Cadillac Fleetwood. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Test numbers refer to numbers on diagnostic chart.
- Checks for a shorted internal transmission harness or TCC solenoid.
- Checks power supply to TCC solenoid.