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Home >> Fiat >> 2017 >> 124 Spider Classica, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> (Aw6R31 Automatic Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> P0977-00 Shift Solenoid 2 Control Circuit High >> When Monitored And Set Conditions

When Monitored And Set Conditions

Set Conditions: 

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

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