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Home >> Jeep >> 2017 >> Wrangler Sahara, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 93 (Transmission Control Module (TCM) - DTCS P1B14-00 To U1477-00) >> DTC Troubleshooting >> P1DAB-00-Vehicle Speed Undetermined >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
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  .