There are 5 stored owner reports matching the electrical system leading-label group for the 2006 Porsche Cayenne in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 5 of 5 matching reports.
Open the full vehicle complaint log (all categories)MY CAR STOP SUDDENLY, IGNITION KEY FAILURE, THEN LIKE TRANSMISSION HESUTATION UNTIL THE CAR STOP COMPLETELY WHERE AT THAT MOMENT CALL A TOLL THAT COST ME $650 DLS. SINCE THAT DAY CAR HAVING ELECTRIC PROBLEMS AND EVEN TRANSMISSION GET STUCK SOMETIMES, HAVE TO TO DO IT MANUALLY.
METALLIC CONTACT POINTS FOR THE FRONT TURN SIGNAL BULB HOLDER INTEGRAL IN THE HEADLAMP ASSEMBLIES CORRODE OR ERODE RENDERING THE TURN SIGNAL INOPERABLE. CORRECTION REQUIRES COSTLY REPLACEMENT OF THE ENTIRE HEADLAMP ASSEMBLY. POINT OF FAILURE IS INACCESSIBLE FOR PHOTOGRAPH. BOTH LEFT AND RIGHT FRONT TURN SIGNAL CONTACTORS HAVE FAILED ON SUBJECT VEHICLE WITH IN THE PAST YEAR. THE PARTS IN QUESTION ARE NOT SUBJECT TO OPERATIONAL MOVEMENT OR WEAR, AND A MANDATED SAFETY ITEM WHOSE FAILURE MAY RESULT IN A TRAFFIC CITATION BY POLICE.
TL* THE CONTACT OWNED A 2006 PORSCHE CAYENNE. AFTER SHUTTING THE VEHICLE OFF, IT CAUGHT ON FIRE APPROXIMATELY 3.5 HOURS LATER. THE FIRE DEPARTMENT WAS CALLED AND EXTINGUISHED THE FLAMES. THE FIRE DEPARTMENT DETERMINED THAT THE FIRE STARTED IN THE ENGINE COMPARTMENT. A FIRE REPORT WAS FILED. THE VEHICLE WAS DESTROYED. THE CAUSE OF THE FIRE WAS NOT DETERMINED. THE MANUFACTURER AND LOCAL DEALER WERE NOT CONTACTED. THE FAILURE MILEAGE WAS 200,000.
FOR SAFETY: AIRBAG FAULT AND EARNING LIGHT APPEARING APPROXIMATELY 60K MILES IN. FROM A SIMPLE GOOGLE SEARCH, IT APPEARS TO BE A WIDESPREAD ISSUE. WHEN CONTACTING BOTH PORSCHE LOCALLY AND PORSCHE CORPORATE TO AMEND, BOTH REFUSE REPAIRS BY CITING VEHICLE'S AGE (ALTHOUGH THIS IS A PREVALENT, KNOWN ISSUE). FOR PERFORMANCE FEATURES: PCM FAILURE; PCM IS THE NAVIGATION AND RADIO CONSOLE SYSTEM. AGAIN, BOTH PORSCHE LOCAL AND PORSCHE CORPORATE WERE CONTACTED AFTER DISCOVERING THROUGH A MERE GOOGLE SEARCH, WHICH WILL ILLUSTRATE THIS LARGE ISSUE WITH PORSCHE CAYENNE VEHICLES INCURRING PCM FAILURES IN DROVES. PORSCHE HAS ACKNOWLEDGE BOTH THE AIRBAG SAFETY FAILURE AND PCM FAULT IS DUE TO BAD ELECTRICAL ENGINEERING, TO INCLUDE ACKNOWLEDGING THE CHOICE OF TO NOT PURSUE A RECALL OR "GOODWILL" REPAIRS.
TL* THE CONTACT OWNED A 2006 PORSCHE CAYENNE EQUIPPED WITH AN AC DELCO BATTERY, MODEL NUMBER 49-60 (NA). THE CONTACT STATED THAT THE DRIVER AND PASSENGER WERE FOUND DECEASED IN THE VEHICLE WHILE THE ENGINE WAS RUNNING. THE CAUSE OF DEATH WAS DUE TO TOXIC FUMES COMING FROM THE BATTERY LOCATED UNDER THE DRIVER'S SEAT. THE MANUFACTURER WAS NOTIFIED.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.