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    OBD Tuning
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    054-830 480
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    OBD Tuning

    Sweden's leading expert center for automotive electronics. We offer professional ECU tuning, control unit repair and diagnostics with 12-month warranty.

    Services

    • Engine Tuning
    • ECU Repair
    • Instrument Cluster
    • SRS / Airbag
    • Immobilizer

    Database & Tools

    • ECU Database
    • Fault Code Analysis
    • Diagnostik
    • Fault Code Analysis

    Brands

    • Bosch
    • Delphi
    • Delco
    • Siemens
    • Denso
    • Marelli
    • Volvo
    • BMW
    • Volkswagen

    Company

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

    Visit us

    Gjuterigatan 29, Karlstad

    Call us

    054-830 480

    Email us

    service@obdtuning.se

    © 2026 OBD Tuning Karlstad. All rights reserved.

    Home
    News

    News

    Workshop news

    New module cases, common fault patterns and practical tips.

    Bosch MD1CS199 engine control unit
    Cloning
    8 May 2026

    Bosch MD1CS199

    When the MD1CS199 fails it is rarely just an ECU question. We look at start conditions, immobiliser data and the right donor before anything is transferred.

    Read more
    Volvo CEM module
    Repair
    4 May 2026

    Volvo CEM: when electrical faults are not random

    Battery drain, central locking and starting problems often point back to the same node. Here are the signals we look for first.

    Read more

    Archive

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    • May 20262
    • April 20262