GS Yuasa updates battery tools to tackle incorrect fitment

Urging workshops and motorists to follow correct replacement procedures, warning that failure to reset the BMS is risking premature battery failure

GS Yuasa updates battery tools to tackle incorrect fitment

GS Yuasa has issued a warning to workshops and motorists across Europe: Incorrect battery fitting and failure to reset the Battery Management System (BMS) on modern vehicles is still alarmingly common — risking premature battery failure, costly repairs, and complete loss of Start-Stop functionality.

Modern vehicles with advanced systems like Start-Stop and regenerative braking require micro-cycle batteries of the correct technology. An AGM battery must always be replaced with an AGM equivalent, and EFB batteries must only be replaced with EFB units. Fitting the wrong type can cause system faults and dramatically shorten battery life.

Equally important is BMS reprogramming, also known as validation or configuration. This process is necessary to reset the BMS through the vehicle’s on-board diagnostics (OBD) port, informing the electronics that a new battery has been installed and altering system parameters accordingly.

Peter Whittaker, General Manager of Automotive and Motorcycle Engineering at GS Yuasa Battery Europe Ltd, said: “Our technical teams still see far too many cases where batteries have been replaced without following correct specification or without resetting the BMS. The result of this will often be system errors, Start-Stop not functioning, and premature battery failure — all of which can be easily avoided by following the correct procedure.”

GS Yuasa stresses that these mistakes are not confined to inexperienced motorists attempting DIY replacements — they also occur in workshops, where time pressures and lack of specialist equipment can lead to shortcuts being taken.

To help the aftermarket adhere to best practice, the company has unveiled new tools:

  • Yu-Fit+
  • Advanced lookup tools

These tools are designed to make the crucial selection and validation process faster and easier for professional technicians.

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