K 2500 Truck 4WD V8-379 6.2L DSL VIN J FI (1992)
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4. This test checks the ability of the PCM/TCM to ground or control shift solenoid "B".
5. The final test verifies that CKT 1223 is not shorted to ground.
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