Tesla Model S backup camera problems

Filed Aug 9, 2026 · Electrical · GA

2017 Tesla Model S P100D. Vehicle received a paid MCU2 infotainment upgrade (MCU1 to MCU2), which replaced both the center touchscreen computer and the instrument cluster. The original MCU1 architecture used an independent computer for the instrument cluster, providing redundancy. The MCU2 retrofit consolidated both displays onto a single processor with no fallback mode. The first MCU2 replacement unit experienced a touchscreen digitizer failure — touch input stopped responding but the displays remained powered and the instrument cluster continued to function. Tesla replaced it with a second MCU2 unit. The second MCU2 unit has experienced three complete blackout events where both the center display and the instrument cluster simultaneously lose all power — no backlight, no image, no data. One of these events occurred while driving at speed on the road. I lost all instrumentation: speedometer, gear indicator, turn signal feedback, warning lamps, backup camera, and climate controls. I had to pull over with no way to confirm my speed or signal to other drivers. The vehicle remained mechanically drivable — steering, brakes, and motor continued to function. During the recent blackout a few days back, the vehicle had been stored in a closed garage and was not heat-soaked. I have video evidence of the car with both screens completely dead while the vehicle is in gear and moving. A scroll-wheel reboot restored the screens each time. This is my fourth service visit to Tesla for this upgrade. The MCU2 architecture provides no independent fallback display for critical safety information such as speed, gear state, or warning indicators during a processor crash. The prior MCU1 system maintained instrument cluster functionality independently of the infotainment computer.

Filed Jul 7, 2026 · CA

Instrument cluster and/or infotainment systems frequently freezing or not showing anything. Instrument cluster freezing/blackout This is a daily occurrence making it impossible to to know if you are in drive, reverse, or neutral. Additionally you not know how fast you are going, charge level, nor any status lights (airbag, low tire, etc.). Infotainment systems freezing/blackout This is also a daily occurrence shutting down environmental controls, backup cameras, speakers, charging, etc. While neither of these issues inhibit the operation of the vehicle both make driving a significant risk. I have taken it in for repair and the only option is a $1,500 upgrade to a completely new system.

Filed Apr 10, 2026 · Driver assistance, Electrical · CA

This issue involves critical safety systems, including the rearview camera, front camera, and Autopilot/driver assistance features. The vehicle was taken to Tesla for a recall related to the MCU system. Tesla marked the recall as completed, but no effective repair was performed. The rearview camera remains unavailable, the front camera system is not functioning properly, and driver assistance features continue to be disabled. Tesla returned the vehicle without resolving the safety issue. This condition poses a serious safety risk, as essential visibility and safety systems are not operational despite a completed recall.

Filed Jan 23, 2026 · Acceleration, Electrical · GA

On [XXX], at approximately [XXX], I was driving my 2013 Tesla Model S (VIN: [XXX] ) on [XXX] in Barrow County, Georgia when the instrument cluster/speedometer display went completely blank while driving. This is an intermittent issue that occurs without warning - the display turns off and sometimes freezes. Because the speedometer was not displaying, I had no way to know my actual speed. I was pulled over by Barrow County Sheriff’s Office and cited for speeding. I explained the instrument cluster malfunction to the officer at the scene and showed him the blank display. I took my vehicle to Tesla Service Center in Duluth, GA (3380 Satellite Blvd) on November 4, 2025 - as soon as I could get an appointment after the incident. Tesla cleared the filesystem caches but did NOT inform me about the existing eMMC recall (SB-21-21-001) that affects my vehicle, nor did they perform the recall repair. My 2013 Model S is equipped with the MCU1 with the 8GB eMMC that is subject to the federal safety agency Recall 21V‑119. This is a known defect that the federal safety agency determined to be a safety issue because it affects critical displays including the speedometer, backup camera, and turn signal indicators. I have video evidence of the malfunction occurring and the Tesla service receipt documenting the issue. The fact that Tesla’s service center did not notify me of the applicable recall or perform the free recall repair. This defect directly resulted in me receiving a traffic citation because I could not see my speedometer while driving INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Jan 18, 2026 · Driver assistance, Electrical · PA

My 2016 Tesla Model S (45,500 miles) is experiencing a complete failure of the Media Control Unit (MCU1), resulting in a total loss of the rearview camera display and defrost/defogging controls. This is a critical safety hazard. The unit was previously replaced by Tesla in 2021 under the federal safety agency Recall 21V‑035. However, this replacement part has failed again after only a few years of low-mileage use. Tesla Service is refusing to provide a free repair or a goodwill discount for an MCU2 upgrade, claiming the 'recall repair' only had a 1-year warranty. It is unacceptable that a safety-critical component replaced under a federal recall fails twice in 45,000 miles. Tesla has failed to provide a permanent fix for the eMMC defect identified by the federal safety agency. By refusing to restore the camera functionality without charging full price, Tesla is knowingly allowing a safety defect to persist. I request an investigation into these premature failures of recall-replaced components

Filed Dec 17, 2025 · Electrical, Lights · OR

I am the current owner of a 2014 Tesla Model S equipped with MCU1. While driving, including at freeway speeds, the center touchscreen has rebooted unexpectedly, showing only the Tesla logo before recovering. During these reboots, critical vehicle functions are unavailable, including the rearview camera, HVAC/defrost controls, and other essential features. This failure matches the exact safety defect described in the federal safety agency Recall 21V‑035 related to the MCU/eMMC failure. I reported this safety issue to Tesla Service and provided photo evidence of the screen rebooting while driving. Tesla has refused to address this as a recall or safety repair. Tesla claims the recall was previously completed under a prior owner but refuses to provide any documentation proving that the recall repair was actually performed, citing prior owner privacy. Tesla has further stated that diagnosis of this active safety defect would be customer-paid due to the basic warranty being expired and has indicated that the only path forward is a paid infotainment upgrade. Tesla is effectively requiring payment to diagnose and resolve a known safety defect. As the safety defect is actively occurring while driving and Tesla has marked the recall as complete without providing proof or correcting the issue, I am requesting the federal safety agency review whether Tesla is improperly closing out recalls without ensuring the defect has been remedied and whether charging customers to diagnose known safety defects is appropriate. After entering my VIN into the federal safety agency’s recall lookup, the federal safety agency shows Recall 21V‑035 (MCU/eMMC failure) as Recall Incomplete for my vehicle. This directly contradicts Tesla’s claim that the recall was previously completed. Tesla has refused to provide documentation and is requiring paid diagnosis and a paid infotainment upgrade despite the recall being listed by the federal safety agency as unresolved.

Filed Nov 27, 2025 · Visibility · NJ

After a recent Tesla firmware update, the backup camera (FMVSS 111 rear visibility function) stopped working. When shifting into reverse, the display shows a black/blank screen instead of the required rearview image. However, the rear camera preview feed still functions, indicating the camera hardware is intact and the failure is likely in the MCU/deserializer routing or software handling of the reverse camera mode. Tesla Service refused to investigate the firmware or signal-routing path and instead recommended a full MCU replacement at my expense without providing diagnostic logs or evidence that the update was not the cause. They closed the case and declined further review while the federally required safety feature remains inoperative. This appears to be a software- or firmware-triggered failure of a federally mandated safety system following a Tesla-pushed update, and I request the federal safety agency review.

Filed Oct 25, 2025 · Visibility · PR

The main touchscreen (MCU1) and instrument cluster on my 2014 Tesla Model S frequently freeze, reboot, or go blank while driving. When this happens, I lose access to defrost, turn signals, backup camera, and speed display. I contacted Tesla Service, but they refused to repair or replace the unit under recall EA20-003 or the extended warranty, even though the symptoms match the known eMMC 8GB memory failure. The black screen and frozen instrument cluster create a clear safety risk. Tesla should cover this issue under the recall or provide an equivalent MCU2 replacement if MCU1 parts are unavailable.

Filed Aug 31, 2025 · Driver assistance · FL

both vehicle displays have stopped functioning, therefore there is no indication of speed, remaining charge, blind spot protection, or back up camera. also, turn signals are non-functional. This is a safety concern to yourself and other drivers.

Filed Aug 14, 2025 · Airbags, Driver assistance · CA

What happened? While driving my 2015 Tesla Model S, the main touchscreen (MCU) began intermittently going black, disabling access to essential vehicle controls, navigation, climate settings, and rear-view camera display. At times when the MCU was functioning, the rear-view camera feed would still display a black screen upon shifting into Reverse, leaving me without any rear visibility. Component or system that failed: Media Control Unit (MCU1) / eMMC memory failure Rear-view camera and/or associated wiring harness Safety risk: The intermittent blackouts of the MCU and loss of rear camera feed created significant safety hazards, especially when reversing or attempting to adjust driving settings while in motion. The loss of rear visibility increased the risk of collision with pedestrians, cyclists, or obstacles. The MCU failure also limited access to defrost/defog controls and turn signal audio feedback. Problem reproduction and confirmation: Tesla Service has confirmed both the MCU1 hardware failure and the rear-view camera malfunction. The problems occurred repeatedly before being inspected. Inspection: The vehicle has been inspected by Tesla Service Center technicians, who diagnosed both the failing MCU1 and the defective rear-view camera. Warning messages or symptoms prior to failure: For MCU: slow system performance, frozen screen, then intermittent complete blackouts while driving. For rear-view camera: black or distorted camera feed when in Reverse, even when the MCU display was otherwise operational. These issues began occurring in June 2025 and became progressively worse until Tesla inspection on July 6, 2025.