Porsche introduces service concept for high-voltage batteries

In view of the increasing electrification of the industry, Porsche is adapting the service business of its dealer organisation. A repair concept for high-voltage batteries is intended to make work easier for dealers and generate added value for customers.

According to Porsche, it made efforts at an early stage to make it possible for workshops to carry out an analysis for the Taycan using the so-called Porsche Diagnostic Tester. The company had already communicated how the readout procedure works at the beginning of March 2022, so that dealers will be able to read out data independently and transmit it to customers.

“The total battery capacity is determined by the worst cell – if a cell loses capacity, it limits the range,” says Christian Brügger, Product Engineer in Porsche’s Aftersales Electrics division. “We can detect a defective cell using the diagnostic tester in the workshop. For example, if the voltages don’t match, we know which module needs to be replaced before the repair.”

A service concept for electric vehicles comprises several stages. The basis for this is a high-voltage support point that has been specially designed for HV battery repairs and that has suitable special tools and trained personnel.

In the event that a high-voltage support point cannot be used, the sports car manufacturer sets up supra-regional hubs for the repair of high-voltage vehicles, which are also located in certified Porsche Centres. The vehicles are taken from the Porsche Centre that accepted them to the high-voltage hub, repaired there and returned to the original Porsche Centre after a final quality check. If transport to a suitable repair location is not possible, a mobile high-voltage expert will be deployed to repair defective high-voltage batteries on site.

Cell modules that have performed their service in the vehicle but are still functional are to be used for stationary tasks. As part of its second-life strategy, Porsche is working on a pilot project to reuse high-voltage batteries. Together with the Volkswagen Group and other partners, Porsche is continuously optimising existing recycling processes.

Porsche is also planning an app solution that will allow customers to independently check the health of their vehicle.



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