October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
Diagnostic Aids
Check for poor connections at PCM and at transmission connector.
Fig 1: Code 73 Schematic (Corvette) Pressure Control Solenoid
Fig 2: Code 73 Flow Chart (Corvette) Pressure Control Solenoid