Ignition Switch Repair

Electronic Ignition Switch (EIS & WIN) Repair Services

In modern vehicles, the ignition switch is no longer just a mechanical cylinder; it is a highly secure, encrypted electronic node that communicates directly with your engine computer. When the ignition switch fails, your car is completely immobilized. You may insert the key, but the steering wheel won’t unlock, the dashboard won’t light up, and the engine will not crank.

At SpeedoFix, we specialize in repairing these complex anti-theft ignition modules. Our mail-in ignition switch repair service saves you the massive expense of towing your vehicle to a dealership and buying brand-new, virgin security parts.

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Expert Rebuilds for Leading Brands

We utilize advanced diagnostic and programming bench tools to extract your key data, repair the internal hardware, and test the ignition unit before shipping it back.

  • Mercedes-Benz EIS / EZS Repair: The Electronic Ignition Switch is prone to processor failure. If your key turns but nothing happens, or the key isn’t recognized at all, we can repair the internal circuitry or clone your data to a healthy donor unit for S-Class, C-Class, E-Class, ML, and GL platforms.
  • Chrysler, Dodge & Jeep WIN Module Repair: The Wireless Ignition Node (FOBIK system) frequently fails, causing intermittent starts, dropping key signals while driving, or refusing to release the key. We rebuild these units with upgraded contact points and stronger solder joints.

A Secure, Plug-and-Play Fix

Because we repair your original unit, your existing keys will continue to work perfectly. There is no need to hire an automotive locksmith or visit the dealer for anti-theft programming. Explore our ignition switch repair catalog below to safely restore your vehicle’s starting system.