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Home >> Fiat >> 2020 >> 124 Spider Classica, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 ((Aw6R31 Automatic Transmission Control Module (TCM) - Electrical Diagnostics)) >> Diagnosis And Testing >> U140B-00 Implausible Left Rear Wheel Speed Signal Received >> When Monitored And Set Conditions

When Monitored And Set Conditions

WARNING: This page is about a different variant/trim than selected.

Set Conditions: 

Possible Causes
MALFUNCTION OF TRANSMISSION CONTROL MODULE TERMINALS OR CONNECTOR
MALFUNCTION OF ANTI-LOCK BRAKE SYSTEM (ABS) MODULE TERMINALS OR CONNECTOR
MALFUNCTION OF CAN COMMUNICATION LINE BETWEEN TRANSMISSION CONTROL MODULE AND ANTI-LOCK BRAKE SYSTEM (ABS) MODULE
MALFUNCTION OF ANTI-LOCK BRAKE SYSTEM (ABS) MODULE
MALFUNCTION OF TRANSMISSION CONTROL MODULE (TCM)

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