KNOWN FAULT · Volkswagen · Audi · Seat · Cupra · Skoda

VAG plug-in hybrid high-voltage system

Sources are not verified in real time and no entry confirms that your car is affected.

Engine / equipment: MQB and MLB plug-in hybrids: Golf GTE/eHybrid, Passat GTE, Tiguan and Arteon eHybrid, Multivan T7, Audi TFSI e, Seat and Cupra e-Hybrid, Skoda iV
Period mentioned: 2019–2023
Symptoms: Usually none. In rare cases, overheating or fire in the engine bay or battery.
Possible cause described: In 2022 the VW Group recalled about 118,000 plug-in hybrids over a high-voltage system fuse that could fail under overvoltage and insufficient insulation; an extra insulating mat is fitted. In 2024 Audi added a recall for 2022–2023 Q5 and A7 plug-in hybrids over battery faults.
Check for the garage: Confirm by VIN at the dealer that the high-voltage system recalls have been done.
Cost cited in the source: Free under the recallsA rough figure from the original database, not an up-to-date quote.

Sources from the original database

Anonymous answer, no personal data.

How much does it cost to repair this fault?

Free under the recalls

A rough figure from the original database, not an up-to-date quote.

How is it checked?

Confirm by VIN at the dealer that the high-voltage system recalls have been done.

What are the symptoms?

Usually none. In rare cases, overheating or fire in the engine bay or battery.

Which cars and years does it affect?

Brands: Volkswagen, Audi, Seat, Cupra, Skoda
Engine / equipment: MQB and MLB plug-in hybrids: Golf GTE/eHybrid, Passat GTE, Tiguan and Arteon eHybrid, Multivan T7, Audi TFSI e, Seat and Cupra e-Hybrid, Skoda iV
Period mentioned: 2019–2023

Find garages near you and, before you say yes, check whether the quote is reasonable.

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