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Home >> Jeep >> 2018 >> Wrangler Unlimited Moab >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Transmission Control Module (TCM) - DTCS P0219-00 To P1D90-00 >> DTC Troubleshooting >> P0721-00-Output Shaft Speed Sensor Circuit Performance >> Possible Causes

Possible Causes

Possible Causes
TRANSMISSION INTERNAL FAILURE
TRANSMISSION CONTROL MODULE (TCM)

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

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