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Home >> Fiat >> 2017 >> 500 Abarth, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> (Transmission Control Module (TCM) - Electrical Diagnostics - Fiat 500) >> DTC Troubleshooting >> P1742 Selection Sensor >> Possible Causes

Possible Causes

Possible Causes
SELECTION SENSOR CIRCUIT OPEN, HIGH RESISTANCE, OR SHORTED TO GROUND
SELECTION SENSOR CIRCUIT SHORTED TO VOLTAGE
SELECTION SENSOR
TRANSMISSION CONTROL MODULE (TCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE   . 

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