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OBDII Code List
 
U0129 MERCURY

U0129 MERCURY - Lost Communication With Brake System Control Module

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Anti-Lock Brake System (ABS) Control Module
  • Anti-Lock Brake System (ABS) Control Module harness is open or shorted
  • Anti-Lock Brake System (ABS) Control Module circuit poor electrical connection
  • Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • U0129 Mercury Description

    The Powertrain Control Module (PCM) continuously monitors the Controller Area Network (CAN) for messages from the Transmission Control Module (TCM). The U0415 code sets when the TCM fails to receive the Anti-Lock Brake System (ABS) Control Module message within the defined amount of time.
    OBDII Code U0129 Mercury - Lost Communication With Brake System Control Module - AutoCodes.com

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