Tesla Model X owners have reported 2 problems related to fog light switch (under the exterior lighting category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Tesla Model X based on all problems reported for the Model X.
My 2016 Tesla Model X's mcu is often freezing, restarting, or going completely black while driving and while parked. When this happens, I'm unable to access any of the features of the car but more importantly, the rearview camera does not work when the mcu is having an issue. With the small rear window, I cannot see any children or people behind my vehicle. Reversing with no rear view camera is dangerous. I'm also unable to turn on the fog lights when needed. I've brought it into Tesla twice already and each time, they have said that they cleared the memory and disconnected the battery for a moment and reconnected. This has not fixed the issue. Just today, the mcu screen and my icc screen shut down for a few minutes without any notice. I recorded the incident. I've spoken to other owners and it seems to be a common issue.
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While highway driving the main mcu froze due to a manufacturer known memory corruption defect and would not reboot. This defect failure impacts access and control of the following safety features, turn signals, emergency brake, emergency battery disconnect, fog lights (front and rear), auto high beams, rear pedestrian camera, suspension (inability to disable auto leveling for tire changing or towing), traction control slip start, side mirror adjustments. Battery safety limits for acceleration and regen based on environmental temperature safety limits are also disabled. This mcu failure also prevents refueling (l3 dcfc stations). As well as the hvac system from being turned off while parked. Which continued to drain the primary battery for several hours. The odometer is also not available, as well as the hands free bluetooth feature and other non safety features. The initial incident occurred under warranty. The manufacturer switched to a backup memory partition to repair or workaround the defect issue temporarily. Within 3 months, less than 1,000 miles later, the backup partition also became permanently corrupted and required a complete replacement of the unit, out of warranty.
| Problem Category | Number of Problems |
|---|---|
| Exterior Lighting problems | |
| Fog Light Switch problems | |
| Tail Light Switch problems | |
| Turn Signal problems | |
| Headlights problems |