FixVault

Test Description

NOTE: Test numbers refer to numbers on diagnostic chart.
  1. Checks for a shorted internal transmission harness or TCC solenoid.
  2. Checks power supply to TCC solenoid.
Fig 1: Code 90 Schematic (Corvette) TCC Solenoid Circuit
G95A14373
Fig 2: Code 90 Diagnostic Flow Chart (Corvette) TCC Solenoid Circuit
G94C31965