OBDII Code List

U0101 LINCOLN - Lost Communication With Transmission Control Module

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

  • Damaged Controller Area Network (CAN) communication bus circuit
  • Tech notes

    Check for other Powertrain Control Module (PCM) codes or PCM related symptoms. Diagnose all other PCM codes or PCM related symptoms first.

    Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • U0101 Lincoln Description

    The Powertrain Control Module (PCM) continuously monitors the Controller Area Network (CAN) for messages from the Transaxle Control Module (TCM). The U0101 code sets when the PCM does not receive the TCM message within the defined amount of time.
    OBDII Code U0101 Lincoln - Lost Communication With Transmission Control Module  -

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    Related Information

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