Image available on the official notice.
Passenger cars (Audi A4 2.0T and others) - Repair
Official notice
10 Oct 2018
Last checked
27 Oct 2026
An official CAA Japan notice concerns Passenger cars (Audi A4 2.0T and others) - Repair. Cooling system (auxiliary coolant pump) defect. ■ Defective component: Cooling system (auxiliary coolant pump). ■ Condition of the structure, equipment or performance deemed noncompliant with standards and its cause: In the engine cooling system, insufficient measures to protect the auxiliary coolant pump against humidity may allow moisture to accumulate inside the pump and corrode its electronic circuit board. This may cause corrosion and short-circuiting of the electronic circuit board and, in the worst case, a fire. Published 2018-10-10.
What to do now
(Recall) 外-2731 ■ Corrective measures: Inspect the auxiliary coolant pump on all vehicles and replace it with an improved part if an old part is installed. Also reprogram the engine control unit with corrected control software.
Recall number
外-2731
Official notice
2018-10-10
The hazard
The hazard
Cooling system (auxiliary coolant pump) defect. ■ Defective component: Cooling system (auxiliary coolant pump). ■ Condition of the structure, equipment or performance deemed noncompliant with standards and its cause: In the engine cooling system, insufficient measures to protect the auxiliary coolant pump against humidity may allow moisture to accumulate inside the pump and corrode its electronic circuit board. This may cause corrosion and short-circuiting of the electronic circuit board and, in the worst case, a fire.
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.
Recall Numbers
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Affected products
Product 1
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: Audi. Contact: アウディ コミュニケーションセンター. Phone 0120-598119.
Source & status
Source & status
Recall details
Recall details
Recall number
Event id
Source tier
Documents, notices & source
See the official notice and source documents for full details.
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