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When Monitored And Set Conditions

Set Conditions: 

Possible Causes
MALFUNCTION OF TRANSMISSION CONTROL MODULE (TCM) TERMINALS OR CONNECTOR
MALFUNCTION OF SHIFT SOLENOID A TERMINALS OR CONNECTOR
SHORT CIRCUIT TO GROUND ON THE WIRING OF THE SHIFT SOLENOID A SIGNAL
MALFUNCTION OF SHIFT SOLENOID A
FAULT OF TRANSMISSION CONTROL MODULE (TCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. (Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE)   .