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Home >> Jeep >> 2024 >> Gladiator Nighthawk, Part Time T/Case Control, Automatic Trans >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> 8HP50/850RE Automatic Transmission - DTCS P1D9D-00 To P1DB8-00 >> DTC Troubleshooting >> P1DB6-00-Vehicle Speed Signal Performance >> Possible Causes

Possible Causes

Possible Causes
ANTI LOCK BRAKE SYSTEM (ABS) DTCS ARE SET
POWERTRAIN CONTROL MODULE (PCM) DTCS ARE SET
OUTPUT SPEED SENSOR IMPROPERLY INSTALLED
TRANSMISSION CONTROL MODULE (TCM)

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