Aisin Warner (often shortened to AW or just Aisin) is one of the world’s largest automatic transmission manufacturers. Their gearboxes, such as the TF-80SC, TF-81SC, AF40, and newer 8-speed and 6-speed units, are fitted across a huge range of vehicles including Volvo, Toyota, BMW, Mini, Peugeot, Citroën, Mazda, and Ford.
Celebrated for their smooth shifting and efficiency, Aisin transmissions are a popular choice for both family cars and premium models. However, like any automatic gearbox, they can develop problems over time that require expert diagnostics and repair. That’s where Gearbox Gurus step in — providing dealer-level solutions at a fraction of main dealer costs.
Like other advanced automatics, Aisin Warner gearboxes can develop faults as mileage increases. The most common issues we see include:
Jerky or delayed gear changes
Harsh shifting, especially when cold
Loss of drive in one or more gears
Slipping under acceleration
Transmission overheating
Whining, humming, or grinding noises
Warning lights or error messages such as “Transmission Fault — Service Required”
Common fault codes including P0741, P0730, P0791, P2714, P0841
If you’re noticing these symptoms, early diagnosis is key to preventing costly further damage. At Gearbox Gurus, we use main dealer diagnostic software and specialist repair techniques to quickly identify the issue and provide the most cost-effective solution.
At Gearbox Gurus, we specialise in Aisin Warner (AW) transmissions fitted to a huge range of vehicles worldwide. Some of the most common brands we repair include:
Volvo — AW TF-80 and TF-81 gearboxes used in XC60, XC90, V60, S60, and V70 models.
Toyota — Aisin 6- and 8-speed gearboxes fitted in RAV4, Corolla, Auris, Prius, and Avensis.
BMW & Mini — Aisin FWD gearboxes used in 1 Series, 2 Series, Mini Cooper and Countryman.
Peugeot & Citroën — EAT6 and EAT8 gearboxes developed with Aisin, fitted across most modern models.
Mazda & Ford — Various automatic Aisin transmissions used in Mazda 6, CX-5, Ford Mondeo, and Galaxy.
Other brands — including Jeep, Opel/Vauxhall, and Lexus, which rely on Aisin gearboxes for smooth shifting and reliability.
Whether you drive a Volvo XC90, a Toyota RAV4, or a BMW 1 Series, our specialist team can diagnose and repair Aisin Warner gearbox faults quickly and professionally. Every repair is backed by our 12 month / 12,000 mile Guru Guarantee, giving you total peace of mind.
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