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    Fault Codes
    VOLVO
    ECM-P100100
    VOLVO

    ECM-P100100 - KOER Not Able to Complete, KOER Aborted. General Failure Information. No sub type information

    System

    Engine Control Module (ECM)

    Volvo models this fault code applies to

    Applies to the following models:

    2 models

    S80 (2007–), V70 (2008–)

    Show models by year and engine (2)
    • Volvo S80 (2007–)2008–2011Engine B4204S3, B4204S4 only
    • Volvo V70 (2008–)2008–2011Engine B4204S3, B4204S4 only

    What does this fault code mean?

    The engine control module's self-test (KOER) does not finish within the permitted time. The code is also set when the engine control module registers an internal fault.

    Possible causes

    • Internal fault in the engine control module

    What you can do

    1. 1Read off the fault code with the engine running and check whether it is still active
    2. 2If the code remains after the engine has been switched off and restarted, have a workshop investigate the engine control module
    3. 3If the fault returns, have a workshop assess whether the engine control module needs replacing

    Symptoms you may notice1

    • No noticeable symptoms for the driver

    General guidance for car owners. Diagnosis on the car can point to a different cause.

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    • Instrument Cluster
    • SRS / Airbag
    • Immobilizer

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    • Diagnostic Guides & Live Data
    • AI Fault Code Analyzer
    • News

    • Bosch
    • Continental
    • Delphi
    • Delco
    • Denso
    • Magneti Marelli
    • Siemens / VDO
    • Keihin
    • Temic

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    • Contact
    • Workshop Partners
    • Shipping Guide
    • Warranty
    • FAQ
    • Terms & Conditions
    • Privacy Policy
    • Site Map

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