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    OBD Tuning
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    Opens Mon–Thu 09–16
    054-830 480
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    ECU repair and programming of control units – OBD Tuning Karlstad

    The specialist in Vehicle Electronics

    Electronics
    Repairs

    Search service

    Volvo CEM Repair

    Engine
    Optimization

    Find your car

    Audi RS6 Nardo Grey Tuning
    ECU control unit – find the correct control unit in OBD Tuning database

    ECU Database

    SEARCH OEM NUMBER

    OBD2 diagnostic connector – search and analyze fault codes DTC

    Diagnostics

    Expert-driven Analysis

    OUR SPECIALTIES

    Optimize your vehicle's performance with our custom software. Safe, reliable, and powerful.

    Motoroptimering

    Engine Tuning

    Maximize your vehicle's potential with professional engine tuning. Through custom software, we optimize parameters for both increased power and optimized fuel consumption, always with a focus on reliability.

    Book Now
    Original control unit (ECU) used as the source for module cloning
    Cloned control unit (ECU) created during module cloning

    ECU Cloning

    Learn more about ECU Cloning
    SRS / Airbag

    SRS / Airbag

    Learn more about SRS / Airbag
    Kombiinstrument

    Instrument Cluster

    Professional instrument cluster restoration for display, gauge, or lighting faults. We preserve your unique vehicle data and history.

    Explore Service

    All services

    See full range

    Official Dealer

    Authorized
    AutoTuner
    Reseller

    Experience the market's most acclaimed programming tool for both ECU and TCU. AutoTuner is the latest generation hardware with lightning-fast performance – always with free updates and no annual fees.

    Full Support
    Training Included
    Swedish Partner
    Contact Us to Order
    Flagship

    Autotuner Master

    AutoTuner Tool Master – professional ECU cloning and programming unit

    The ultimate solution for chiptuning professionals. Unlimited read/write via OBD, Bench & Boot.

    Price incl. VAT69 875 kr
    AutoTuner Tool Slave – entry-level ECU programming device
    Entry level

    AutoTuner Slave

    Perfect for workshops

    44 875 kr
    SMOOTH HANDLING

    HOW TO SEND TO US

    Simple process from start to finish. We guide you through the entire flow to ensure a hassle-free experience.

    1

    ORDER ONLINE

    Use our smooth portal

    2

    SEND UNIT

    Get shipping label via email

    3

    TRACK STATUS

    Pack, label & drop off at your nearest agent

    4

    DONE!

    Pay securely by invoice

    CONTACT US

    Need help? Call us at +46 54-830 480

    OBD Tuning Karlstad workshop – repair and diagnostics of vehicle electronics
    Who are we?
    OBD Tuning

    Specialists in programming and repair of modern automotive electronics.

    We have extensive experience in automotive electronics and are today one of Sweden's leading companies when it comes to repair, modification and upgrading.

    Our customer base spans the entire country and we collaborate with both small workshops and some of the largest in Sweden. We use some of the world's most advanced diagnostic and programming tools available for passenger cars today.

    With us, you get a serious and professional treatment and we focus on solving your problem in the best and most cost-effective way.

    Explore Our Database

    Direct links to our most visited ECU, tuning and diagnostic pages.

    Popular ECU Manufacturers

    Bosch EDC17Diesel engine control units
    DensoECUs for Toyota & Volvo
    ContinentalModern ECU platforms
    Siemens / VDOECU & instrument clusters

    Engine Tuning by Brand

    VolvoT4, T5, D4, D5 — Stage 1
    BMWN47, N57, B47, B58 — Stage 1
    Audi / VWTFSI, TDI, DSG — Stage 1
    Mercedes-BenzCDI, CGI, AMG — Stage 1

    Quick Access

    ECU DatabaseSearch control units
    Fault Code AnalysisAI-powered diagnostics
    DTC CatalogAll fault codes
    Send to usMail-in repair service
    View complete sitemap →

    What our customers say

    "De kom och hämtade min bil för dom hade chansen den dan, sen nästa dag var d fixat snabbt å lätt.. super seriös kille. Honom kan man lita på! Tummen upp!!!"
    TB

    Tomy Bergdahl

    Privatkund

    "Hej jag rekommenderar starkt obd tuning Fixade min mätarhus på 2 timmar 😃 väldigt trevlig personal också 😃 super nöjd 😃"
    DT

    David Tenev

    Privatkund

    "Fixade CEM till volvon efter 4-5v stötande o blötande med oserös firma. Rekomenderar dessa starkt!! Skickad onsdag tillbaka i min låda fre fm."
    AB

    Andreas B

    Privatkund

    "Super snabbt och bra! De fixade kombiinstrumentet från sambons bil och var färdig innan den utsatta tiden samt har fungerat felfritt sen dess! Rekommenderas starkt!"
    TF

    Teresia Fager

    Privatkund

    "Skickade mitt V70 instrument till OBD, ett par dagar senare fick jag tillbaka det, fungerade alldeles ypperligt. Tackar på förhand och rekommenderar dessa varmt."
    TÖ

    Tomas Östensson

    Privatkund

    "Hade turen att den var nära att åka dit och man fick hjälp omedelbart :) Fick instrumentpanel lagad på ca en timma . TACK!"
    JS

    Jimmie Sabel

    Företagskund

    "Kanonbra service. Trevligt bemötande . Skickade in min Dim volvo fredag fick den på tisdag . Nu fungerar den och bilen är besiktad . Rekomenderas ."
    PN

    Per Nyqvist

    Privatkund

    "Så nöjd! Lagade mätarhuset på min v70. Allt över förväntan. Enkel kontakt, snabb reparation av trevlig och kunnig kille i Karlstad filialen. Tusen tack! ⭐️"
    BL

    Björn Lundegard

    Privatkund

    "Mkt bra service och support då jag som nybörjare ej hade en susning hur man gjorde så lotsades jag tillsammas pr tel genom utmärkta instruktioner, kan absolut rekomendera dom. Toppen!!😊😊"
    JJ

    Jimmy Jansson

    Privatkund

    "Väldigt trevligt och personligt besök! Ställer upp mycket bra! Kommer återkomma 👍 Fixa min v70 panel 👍"
    RN

    Robert Nyberg

    Företagskund

    ANSWERS TO YOUR QUESTIONS

    Quick answers to the most common questions about our services and flows.

    See all questions
    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

    Databas & DTC

    • ECU Database
    • Fault Code Analysis
    • Diagnostik
    • Felkodsanalys

    Brands

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

    Company

    • About us
    • Contact
    • Workshop Partners
    • Shipping Guide
    • Warranty
    • FAQ
    • 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.