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ECU repair and programming of control units – OBD Tuning Karlstad

The specialist in vehicle electronics

ECU CloningRepairsEngine Optimization
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Latest from the workshop

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Volvo Denso VEA Gen 2 engine control unit
Cloning
3 Oct 2026

Autotuner World First: Full Support for Volvo Denso VEA Gen 2

Locked since late 2017, full read, tuning, and programming support is now available for Volvo's second-generation Denso engine control units based on the NXP SPC5777M processor.

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Continental MCM2.x engine control unit
Cloning
11 Sept 2026

Cloning of Mercedes HD MCM2.x Engine Control Unit

Mercedes Actros 2014 submitted with intermittent fault codes on injectors and immobilizer in the MCM2 unit. Complete 1:1 cloning to donor unit performed for immediate installation.

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Volvo VCM module disassembled for PCB access.
Cloning
7 Jul 2026

Cloning of Volvo VCM module

Cloning of data from a defective Volvo VCM module to a used unit following mechanical connector damage. The unit has been fitted with a new battery and reset for operation.

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Official Dealer since 2020

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.

Master ToolNo annual fees

Autotuner Master

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

AutoTuner Tool Master – professional ECU cloning and programming unit
  • Open, unencrypted files for custom calibration
  • Link unlimited number of Slave tools
  • Free lifetime updates & datalogging
Price incl. VAT69 875 SEK
Order Master
Entry levelNo annual fees

AutoTuner Slave

Perfect for workshops

AutoTuner Tool Slave – entry-level ECU programming device
  • Linked directly to OBD Tuning Master
  • Identical hardware speed & coverage
  • Ideal entry solution for workshops & mechanics
Price incl. VAT44 875 SEK
Order Slave
OBD, Bench & Boot
0 kr Annual Fees
Ultra-Fast Read/Write
5-Year Warranty
SMOOTH HANDLING

HOW TO SEND TO US

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 or Swish

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

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.

Testimonials

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

Private Customer

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

David Tenev

Private Customer

"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

Private Customer

"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

Private Customer

"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

Private Customer

"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

Business Customer

"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

Private Customer

"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

Private Customer

"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

Private Customer

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

Robert Nyberg

Business Customer

ANSWERS TO YOUR QUESTIONS

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

Normally a repair takes 2-3 working days from when we receive your unit. For urgent cases, we offer express service.

We always provide a 12-month warranty on work performed and replaced components.

Yes, we offer free shipping within Sweden. You get a shipping label via email when you register your case in the portal.

In most cases, we keep the original programming so it's just 'Plug & Play' when you get the unit back.

The shipping cost is 395 SEK incl. VAT. This includes insured shipping both ways. The cost is added to your final invoice.

Engine optimization may affect the manufacturer's drivetrain warranty. We always work within safe margins and offer a supplemental safety warranty for your peace of mind.

If your software is overwritten during service at an authorized dealer, we can in most cases reinstall the optimization for a small administrative fee.

Yes, we always recommend booking an appointment or contacting us before visiting to ensure a technician is available for your specific case.