OBDII Code List

U0301 MERCURY - Software Incompatibility With ECM/PCM

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

  • Reprogram Module ("Flashing")
  • New Powertrain Control Module (PCM) Needs programming
  • Tech notes

    Verify the Powertrain Control Module (PCM) is at the latest calibration level.

    Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • U0301 Mercury Description

    The Powertrain Control Module (PCM) sets the OBDII code when the configuration between 2 or more modules do not match.
    OBDII Code U0301 Mercury - Software Incompatibility With ECM/PCM -

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    Related Information

    U0301 MERCURY Comments

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