OBDII Code List

U0402 MERCURY - Invalid Data Received From TCM

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

  • Invalid data network concerns
  • data is transferred within the normal inter-module message, but contains known invalid data. The transmitting module logs a DTC related to the invalid data concern.
  • Missing message network concerns
  • missing message concerns are logged by the module upon failure to receive a message from another module within a defined retry period.
  • 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)
  • U0402 Mercury Description

    Network DTC concerns occur during module-to-module communication
    OBDII Code U0402 Mercury - Invalid Data Received From TCM -

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    Related Information

    U0402 MERCURY Comments

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