Situation: Cayenne Diesel vehicles were equipped with undisclosed Auxiliary Emission Control Devices which...
Porsche technical service bulletin 122-J4H9M-12 for 2013-2014 Porsche Cayenne.
- Bulletin number
- 122-J4H9M-12
- Component
- Engine
- Summary
- Situation: Cayenne Diesel vehicles were equipped with undisclosed Auxiliary Emission Control Devices which are not permitted by emissions regulations. Action Required: Install updated engine control module (DME) software, transmission control module (Tiptronic) software and hardware to bring affected vehicles into regulatory compliance.
Owners of these vehicles have filed 12 complaints in the engine category.
Vehicles covered
- Porsche Cayenne 2013-2014 20132014
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