Affected Component: ELECTRICAL SYSTEM: SOFTWARE

Date Published
NOV 08, 2017
NHTSA TSB #
10125211
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 and transmission control module (Tiptronic) software to bring affected vehicles into regulatory compliance.