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Home >> Jeep >> 2018 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 47 (8HP70 Automatic Transmission - DTCS P1D93-00 To U1479-00) >> DTC Troubleshooting >> P1DB6-00-Vehicle Speed Signal Performance >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
ANTI LOCK BRAKE SYSTEM (ABS) DTCS ARE SET
POWERTRAIN CONTROL MODULE (PCM) DTCS ARE SET
TRANSMISSION CONTROL MODULE (TCM)

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

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