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Home >> Chrysler >> 2021 >> Voyager LXi, Gas >> Repair and Diagnosis >> Transmission >> Automatic Trans >> 948TE/9HP48 Automatic Transmission - DTCS P1731-00 To U1467-00 >> DTC Troubleshooting >> P1DAB-00-Vehicle Speed Undetermined >> Possible Causes

Possible Causes

Possible Causes
ANTILOCK BRAKE SYSTEM (ABS) DTCS PRESENT
MISMATCHED TIRE CIRCUMFERENCES
FRONT OR REAR WHEELS BEING ON A SLIPPERY SURFACE WHILE THE OPPOSITE TIRES ARE NOT
POWERTRAIN CONTROL MODULE (PCM)
TRANSMISSION CONTROL MODULE (TCM)

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