Porsche has recalled 43,000 Taycan and Taycan Cross Turismo models around the world after identifying a software flaw that could randomly shut down the electric transmission.
The recall notice, which applies to models produced before June 2021, was issued to rectify a software malfunction within the inverter, which essentially communicates between the powertrain control module and the engines themselves. In the UK, the notice applies to 4,495 cars.
In a series of internal tests, Porsche found that engines could stop in motion, even if the brakes and steering remained on. When stopped, the Taycan displays a message on the dashboard asking the driver to maneuver the car to a safe space. A Porsche spokesperson estimated that if the problem occurred at highway speeds, the driver would have about 90 seconds to reach the emergency lane or a parking area.
The car can be restarted once the problem occurs, Porsche said, meaning owners are unlikely to get stuck at the side of the road.
Porsche said there were no specific circumstances or conditions that could cause the problem and it could happen at any speed. The company recorded an occurrence rate of 0.3% in its own tests and there have been no reports of customers injured or their cars damaged as a result of the malfunction.
Owners were advised to visit a Porsche dealership to have the software updated – a wireless update is not possible as the inverter must be recalibrated afterwards – with an approximate repair time of one hour.
Porsche has confirmed that its Panamera and Cayenne hybrid models are not affected, as their EV drivetrain components are unrelated to those used by the Taycan. An Audi spokesperson, meanwhile, told Autocar that a number of new E-tron GT models – around 58 units in the UK – were also affected, but “the vast majority” have already been repaired.
Porsche has said that due to this issue it will be stepping up some of its pre-production testing processes and has confirmed that the next Macan EV will not be susceptible to the same issue.
2021 Porsche Taycan Cross Turismo test drive in UK
Porsche Taycan test
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This notice was published: 2021-07-02 10:01:23