G 3500 1 Ton Van V8-379 6.2L DSL VIN J FI (1992)
4. This test checks the PCM/TCM's ability to ground or control shift solenoid "A".
Diagnostic Aids:
Check all connections especially those at the transmission pass-thru connector. See: Transmission Control Systems/Testing and
Inspection/Symptom Related Diagnostic Procedures/Intermittents