2021 Tesla Model 3: backup camera failure

Filed Oct 24, 2026 · Driver assistance, Visibility · CA

Immediately following the installation of over-the-air software version 2026.32.3, the vehicle's center touchscreen lost all driving visualization capabilities. The backup camera now displays a black/non-responsive screen, removing federally mandated back-over protection. Additionally, the vehicle no longer provides active safety alerts, such as forward collision warnings or blind-spot obstructions, and driver-assist technologies (Autopilot) are entirely unavailable. Official Manufacturer Diagnosis: A physical diagnostic review of the vehicle's alert and signal history by Tesla Service confirmed an internal hardware communication failure directly induced by the software rollout. The official service logs state that the secondary Autopilot processor, designated as "Processor Turbo-B," has suffered a fatal fault and is failing to communicate. Tesla documentation acknowledges that this software-induced hardware lockup prevents the car from completing future software updates and has permanently disabled the safety vision suites. Current Vehicle Status: A subsequent physical replacement of the 12V low-voltage battery failed to resolve or clear the faults, confirming a permanent failure of the primary computing hardware. The manufacturer requires an out-of-pocket Car Computer replacement cost of $2,136.00 to restore federally mandated safety features that were operational prior to the manufacturer's software deployment. The vehicle is currently being operated without active safety overrides, emergency braking, or backup visibility.

Filed Oct 19, 2026 · Driver assistance, Electrical · VA

During a Tesla over-the-air software update, while the vehicle was charging at a Tesla V4 Supercharger, the Hardware 3 Autopilot/car computer failed and entered a permanent boot loop. All cameras became inoperative, including the federally required rearview backup camera, and the vehicle lost Autopilot and automatic emergency braking. Tesla has diagnosed the failure as a car-computer failure, and the failed computer is available for inspection. The vehicle was not in a collision and had no prior damage; the failure occurred during a Tesla-initiated update. A non-functioning rearview camera eliminates the driver's rear view and increases the risk of a backover collision, and the loss of automatic emergency braking removes forward crash protection. This matches numerous existing complaints in this database describing the same Hardware 3 computer failure and camera loss after a software update, one of which reports a resulting collision. Tesla has declined to repair it at no charge despite the failure being caused by its own update, approximately 3,000 miles out of warranty. I am requesting the federal safety agency open a defect investigation into Hardware 3 Autopilot-computer failures that disable the rearview camera and automatic emergency braking.

Filed May 13, 2026 · Driver assistance · PA

Component/System Failure: Total failure of the Autopilot ECU (DAS Computer) and the Front-End Module (FEM) wiring harness. Incident Description: My 2021 Tesla Model 3 (37,000 miles) experienced a catastrophic and "silent" failure of the entire vehicle vision suite and all active safety systems. A Tesla Service technician (Warrington, PA) inspected the vehicle and confirmed the root cause was a factory-defective (crimped) internal coaxial cable in the wiring harness. This manufacturing defect caused an electrical short that destroyed the primary safety-critical computer. Safety Risk: This failure resulted in a direct violation of FMVSS 111 (Rear Visibility), as the backup camera was rendered completely inoperable. Furthermore, all collision-avoidance features—including Automatic Emergency Braking (AEB), Forward Collision Warning, and Blind Spot Monitoring—were disabled. Critical Safety Concern (Silent Failure): The vehicle provided zero driver-facing alerts, dashboard warnings, or lamps to indicate that these safety systems were offline. I unknowingly operated a vehicle that was non-compliant with federal safety standards and lacked all primary crash-avoidance technology. The failure codes (APP_w045 and VCFRONT_a158) were only discoverable by manually entering the vehicle's "Service Mode." Manufacturer Status: Tesla Service has confirmed the hardware failure and the wiring defect but is currently refusing to cover the $2,800 repair cost, despite the failure involving systems currently under federal recall (SB-26-00-016). I am reporting this because a factory wiring defect causing a total, silent failure of federally manda

Filed Feb 20, 2026 · Driver assistance · MI

The rear camera malfunctions intermittently and causes other errors to happen, like Automatic emergency braking unavailable or forward collision warning unavailable. When the camera error happens, it says the camera is unavailable. I took my car to the Tesla dealership three times. The first time, they did a continuity check and said the harness was degraded, and they replaced the harness and the rear camera. A week later, it happened again. The second time they reset the camera calibration and it worked. The day after, it happened again. The car is at the Tesla dealership for the third time (02/20/2026).

Filed Aug 6, 2025 · Driver assistance · TX

The 2017-2020 Tesla model 3's have a recall for the rear camera wiring harness. The recall ends with cars built until September of 2020. My car was built in December of 2020 and my 2021 tesla model 3 was just repaired and had the exact same issue. The coaxial cable wore out and my rear camera didn't work. Because my car wasn't included in this recall, i had to pay for it. This recall needs to be expanded to other year models of the tesla model 3. The problem isn't isolated to vehicles prior to 2020.

Filed Jul 3, 2025 · Driver assistance · WA

While backing up, the rearview camera feed occasionally displays a noticeable delay, which prevents objects and pedestrians from appearing in real time. This lag creates a significant safety risk, as the visual information on the screen does not accurately reflect the vehicle's current surroundings. Additionally, the display on the left side (vehicle proximity visualization) does not match the camera view or actual situation, further contributing to confusion and potential danger when reversing. This issue persists despite software updates and appears to be a systemic flaw that compromises driver awareness and vehicle safety. Cross-traffic alert appears impacted.

Filed May 1, 2024 · Brakes, Driver assistance · VA

Tesla ADAS detects non existent objects and issues collision alerts and phantom brakes randomly if there is no cars in front of the Tesla, braking abruptly and almost getting me into rear end accidents. Tesla ADAS freaks out when making lane changes randomly, shaking violently and giving the driver and its passengers a fishtailing simulation. Auto wiper triggers randomly while it's sunny, distracting the driver and forcing an interaction on the center console to stop it. Auto wiper cannot be turned off as it reengages upon using Tesla ADAS. The rear view camera lags. It stutters and shows me a delayed view. Compounded by the Model 3's very small rear view mirrors and side mirrors, this is incredibly dangerous as I have no way of gaining sufficient visibility of the back of the car. Tesla service told me this is all normal.

Filed Jan 30, 2024 · Driver assistance · GA

My car computer touchscreen has been rebooting with every entry since/start since software update 2023.44.30.5.1. in mid December, 2023. Software update 2023.44.30.8 did not resolve the issue. During the reboot process I am able to move my vehicle but the safety systems (parking sensors, back-up camera, wipers, etc) are inoperable for up 3 minutes during the reboot process. I have reported the issue to Tesla and brought my vehicle in for service 1/29/24. The service center claims that reboot issue is due to a software bug and is a “known characteristic” with this release. They also claim that the lack of the ability to use cameras/sensors while operating the vehicle is convenience related, not safety. Tesla can give me no ETA on when I can expect a software update to remedy the issue which has been outstanding for 5 weeks now.

Filed Jan 9, 2024 · Driver assistance, Wheels · GA

Ever since Tesla pushed a software update to my vehicle on or around 12/20/23, the vehicle screen crashes and reboots every time I enter enter my vehicle. The software version is 2023.44.30.5.1. The vehicles systems; backup cameras, parking sensors, etc. are in operable for approximately 2 minutes during the reboot process rendering the vehicle unsafe to operate. I have reported this issue to Tesla on multiple occasions with no resolution offered other than a note that this is “considered” normal with the current software version. I was pushed software update 2023.44.30.8 on 1/8/24 and the issue persists. I have scheduled a service center appointment for 1/29/24.

Filed Jan 9, 2024 · CA

Back up camera not functioning.

Filed May 23, 2023 · Driver assistance, Transmission · NV

On May 22, 2023 driving south on I-580 through Reno with the Tesla adaptive cruise control, there's a 55mph construction zone. As a result, I use the right scroll wheel to adjust the speed from 65 to 55mph. The scroll wheel didn't work. As a result, I turned off the cruise control with the right steering wheel stalk. At the same time, I noticed the vehicle speed indicator on the upper left of the CRT display was malfunctioning; both failing to respond to changes in the car's speed, and then indicating erroneous speeds (at one point indicating 34mph when I was going around 60mph. These issues continued. I took the exit on Double R Blvd to turn right. As I got into the right lane on the freeway to exit I attempted to turn off the cruise control and it didn't work. Approaching the exit, I then applied the brake. The regenerative braking function did not apply. As a result, it felt like the cruise control didn't turn off. However, I braked to a stop at the intersection in the right lane with no issues. When the traffic cleared, I attempted to turn right and proceed east on Double R Blvd. The car didn't move. Using the right stalk, I tried shifting into drive, reverse, and back. All this time, the drive (D) and reverse (R) indications on the CRT did not show. I let off the brake and the car inched forward. I turned right immediately into the Maverick gas station entrance to get off RR. The CRT display now showed the back-up camera displays (a normal indication of the car being in reverse). I cautiously let off the brake and applied the accelerator pedal to see if I backed up, but the car was in drive and proceeded normally. I continued to drive and the CRT screen went completely black. I soon realized the car's computer was rebooting with the faint Tesla logo on the black screen. Within a mile or so, everything came back on the screen and worked normally. I then reached my destination. When I returned to the car, it was as if nothing had happened.

Filed May 19, 2023 · CA

I bought my Tesla model 3 in October 2021. I no longer can view my backup camera or side camera when signaling and reversing. gps doesn’t work. Warning collision doesn’t detect. No warning lamps or messages. I schedule a service and they might think it’s a failed mcu. It’s no longer under warranty since I put 79000 miles on it. Car isn’t even two years old and if mcu failed. I think it should be replace for free if it less than two years, miles shouldn’t count.