Speedometer Calibration Information and FAQ
Here the team from Tacho Frankfurt answers the most frequently asked questions about speedometer calibration, odometer adjustment, and speedometer repair.
Everything You Need to Know About Speedometer Calibration
On this page, the team from Tacho Frankfurt answers the most frequently asked questions about speedometer calibration, odometer adjustment, and speedometer repair.
What is Speedometer Calibration?
Speedometer calibration (also called odometer adjustment, speedometer service, or speedo calibration) refers to the professional adjustment of the odometer in a vehicle to a specific correct mileage. It is necessary when:
- A defective instrument cluster is replaced with a used one.
- A new instrument unit is installed after repair.
- The vehicle is imported from abroad (e.g., miles → kilometers).
- Mileage data has been lost due to an electronic defect or vehicle damage.
- All vehicle systems need to be synchronized after restoration work.
Is Speedometer Calibration Legal?
Yes — under the right conditions, speedometer calibration is completely legal.
The German Federal Constitutional Court (Bundesverfassungsgericht) clarified in its decision of May 9, 2006 (AZ: 2 BvR 1589/05):
“Altering the odometer reading is not punishable per se, but only if it is done with intent to deceive and to the detriment of third parties.”
Section 22b of the StVG only penalizes manipulative changes for the purpose of fraud. Adjustments and calibration for repair, maintenance, and calibration purposes are explicitly permitted.
→ Detailed information on this can be found on our Legal Information on Speedometer Calibration page.
Which Manufacturers and Models are Supported?
We calibrate speedometers for practically all vehicle manufacturers and models: Alfa Romeo, Audi, BMW, Bentley, Cadillac, Chevrolet, Citroën, Dacia, Daewoo, Ferrari, Fiat, Ford, Honda, Hyundai, Infiniti, Jaguar, KIA, Lancia, Lamborghini, Land Rover, Lexus, Mazda, Mercedes, Mini/Rover, Mitsubishi, Nissan, Opel, Peugeot, Porsche, Renault, Saab, Seat, Skoda, Smart, Subaru, Suzuki, Toyota, Volkswagen, Volvo, and many more.
How Does the Speedometer Calibration Work?
- Get in Touch — Call us (+49 176 20 611 662) or send a request.
- Bring or Send Vehicle/Cluster — Either in person to our workshop in Frankfurt Rödelheim, or by post nationwide.
- Calibration of All Memory Locations — We synchronize all ECU modules that store the mileage.
- Return/Shipping — Your vehicle or cluster is returned with a correct, consistent mileage reading.
Where is the Mileage Stored in the Vehicle?
Modern vehicles store the mileage in multiple locations simultaneously. These include:
- The instrument cluster (speedometer display)
- The Engine Control Unit (ECU)
- The Gateway control unit
- The Electronic Immobilizer (EWS / Immobiliser)
- For some manufacturers: Transmission control unit, Airbag control unit
→ Read our detailed page: Odometer Memory Locations
Can I Send in My Instrument Cluster by Post?
Yes! Our nationwide postal service allows customers from all over Germany to send in their instrument cluster safely. We calibrate and return it to you. Please call us beforehand so we can coordinate everything.
How Long Does Speedometer Calibration Take?
Typically, on-site speedometer calibration takes 1–2 hours. If sent by post, expect 2–5 business days (including shipping time there and back).
How Much Does Speedometer Calibration Cost?
The cost depends on the vehicle type and model. Please contact us for a free and non-binding estimate: ☎ +49 176 / 20 611 662 or Send Request.
How Long is the Guarantee?
We stand behind our Quality Guarantee for all work performed. Please refer to our guarantee page for details.
Further Questions?
Do not hesitate to contact us directly:
Tacho Frankfurt
Schultheißenweg 105A, 60489 Frankfurt am Main (Rödelheim)
☎ +49 176 / 20 611 662 | +49 69 / 17510311
info@tacho-frankfurt.de