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Shop4Tuner

Autotuner · September 30, 2026

Siemens SIMTEC71

Siemens SIMTEC71

Autotuner supports the Siemens SIMTEC71 in 100% OBD Normal Read, on the naturally aspirated petrol platforms of Opel, Vauxhall and Subaru: Astra, Corsa, Tigra and Vectra 1.8i Ecotec, Omega and Zafira 2.2i, and the Subaru Traviq 1.8i Ecotec. The unit is built on a C167 microcontroller.

From the original announcement
« A practical software update expanding our coverage for Opel, Vauxhall, and Subaru naturally aspirated petrol platforms is now live on your AutoTuner Tool. The Siemens SIMTEC71 ECU is officially supported via 100% OBD Normal Read (NR). »

Shop4Tuner is an official Autotuner reseller. Need the tool, an activation or advice on this update? Contact us, we use it daily in the workshop.

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