Carmakers manipulating TPMS tests, EU group alleges

Brussels – An EU campaign group has issued a report accusing car-makers of manipulating “indirect” tire pressure monitoring systems (TPMS) to pass laboratory tests, even though the devices might not perform reliably on the road.

Despite meeting current official requirements, the indirect systems mostly failed during on-road tests commissioned by Brussels-based Transport and Environment (T&E) – an umbrella group for transport and environment NGOs in Europe.

Two vehicles with indirect TPMS and under-inflated tires, a VW Golf and a Fiat 500L, “performed as required in a copy…

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