Image available on the official notice.
Passenger cars (Porsche Taycan 4S and 5 other models) - Repair
Official notice
28 Sept 2022
Last checked
27 Oct 2026
An official CAA Japan notice concerns Passenger cars (Porsche Taycan 4S and 5 other models) - Repair. Defect in the braking system (brake booster warning). ■ Defective component: Braking system (brake booster warning). ■ Condition and cause of the structure, system or performance considered noncompliant with standards: Due to inappropriate instrument cluster software in the brake booster warning system, the warning light does not illuminate when the brake booster fails, and an incorrect warning light illuminates after the warning message is acknowledged. This may result in noncompliance with safety standards. Published 2022-09-28.
What to do now
(Recall notification number) 外-3465. ■ Corrective measures: On all vehicles, reprogram the instrument cluster with the corrective program.
Units affected
1,334
Recall number
外-3465
Official notice
2022-09-28
The hazard
The hazard
Defect in the braking system (brake booster warning). ■ Defective component: Braking system (brake booster warning). ■ Condition and cause of the structure, system or performance considered noncompliant with standards: Due to inappropriate instrument cluster software in the brake booster warning system, the warning light does not illuminate when the brake booster fails, and an incorrect warning light illuminates after the warning message is acknowledged. This may result in noncompliance with safety standards.
How to check if you're affected
How to check if you're affected
Compare the product name and identifiers below with the item you own. Check the official notice for the affected products and next steps.
Models
Recall Numbers
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Affected products
Product 1
Units affected
Hazard
Where it was sold
Where it was sold
Retailer information is not currently available in RecallScope. Check the official notice for distribution details.
Location 1
Affected area 1
Company & contacts
Company & contacts
Brand: Porsche. Contact: ポルシェジャパン株式会社. Phone 0120-846-911.
Source & status
Source & status
Recall details
Recall details
Recall number
Event id
Units affected
Source tier
Documents, notices & source
See the official notice and source documents for full details.
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