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Home >> Chrysler >> 2021 >> Voyager LXi, Gas >> Repair and Diagnosis >> Transmission >> Automatic Trans >> 948TE/9HP48 Automatic Transmission - DTCS P0219-00 To P1728-00 >> DTC Troubleshooting >> P077C-00-Output Shaft Speed Sensor Circuit Low >> Possible Causes

Possible Causes

Possible Causes
OUTPUT SPEED SIGNAL CIRCUIT OPEN
OUTPUT SPEED SIGNAL CIRCUIT SHORTED TO GROUND
OUTPUT SPEED SENSOR
TRANSMISSION CONTROL MODULE (TCM)

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

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