Affected Component: ELECTRICAL SYSTEM:SOFTWARE

Date Published
NOV 08, 2017
NHTSA TSB #
10125210
TSB Document
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.