Repair of car electronics and electrical systems in Helsinki

A car's electrical system is like its nervous system. Even a minor malfunction can disrupt the engine, lighting, air conditioning, multimedia, and other vital functions.

1A Renkaat offers professional auto electrical services – from lamp replacement to control unit repair and comprehensive diagnostics.

Our service center is located at Akkutie 2a, Helsinki.

We also offer a wide range of wheels and tires and provide professional installation — browse our catalog and choose the perfect set.

What do we do?

 
• Replacement of headlights, brake lights, interior lighting, and indicators
 
• Repair and replacement of wiring
 
• Cleaning and repair of contacts, connectors, and fuses
 
• Inspection and repair of starter and alternator
 
• Replacement of batteries, cables, and terminals
 
• Installation and repair of alarms and parking sensors
 
• Programming and repair of control units (ECU)
 
• Diagnostics using professional equipment
 
• Detection and repair of short circuits and power leakage

Each fault is analyzed using electrical diagnostics. After thorough analysis, we offer the best repair solution.

When should you contact an auto electrician?

• The engine won't start
 
• Warning lights like Check Engine, ABS, or ESP are flashing
 
• The battery discharges quickly
 
• Headlights don't work or function incorrectly
 
• Air conditioning, windows, or multimedia do not work
 
• The car doesn't respond to the key or start button

If you notice any of these signs – don’t wait, schedule a service.

Why choose 1A Renkaat? 

• Certified and experienced auto electricians
 
• Equipment for reading and programming control units
 
• We work with all brands and models
 
• From simple tasks to CAN-bus repair
 
• Service location in Helsinki – Akkutie 2a
 
• Warranty on all work and free maintenance tips

Where is the service performed?

Helsinki — Akkutie 2a

Phone: +358 40 481 7479
Book via email – we will contact you shortly

Frequently asked questions

How long does diagnostics take?
Usually 30–60 minutes. Complex cases may take up to 90 minutes including schematic checks.

Can I replace the battery at your shop?
Yes. We have a wide selection of batteries and the replacement takes about 15–20 minutes.

Do you work with hybrid and electric vehicles?
Yes, we diagnose and repair most electrical systems, including HV modules and drivetrain components (check for specific models).

What should I do if my car won't start?
Call us – it could be a simple battery or starter replacement, or an ECU reset. We also offer towing if needed.

1A Renkaat – in control of your car’s electronics

Vehicle electrical systems require precision and experience.
1A Renkaat provides professional diagnostics and reliable repairs.

Call or book now – we’ll solve your electrical issues quickly and efficiently!