Tesla Issues New Recall for Mirror Image Display Delay in Autopilot Computer 2.5 Vehicles

Tesla has issued a new recall of 947 Model 3, Model S and Model X vehicles because some cars equipped with the 2.5 Autopilot computer may have a delay in displaying the rear view mirror image of more than two seconds after start of a setback event, NHTSA documents state.

The fleet of vehicles concerned is less than 1,000 vehicles, as mentioned above. The recall affects the 2017-2020 Model 3, 2018-2019 Model S and 2018-2019 Model X.

“On certain affected vehicles equipped with the 2.5 Autopilot Computer and running a firmware version between 2021.44.25 and 2021.44.25.2, inclusive, the reversing image may not comply with FMVSS 111, S5.5.3 , which requires the image to be displayed within two seconds of the start of a support event,” the NHTSA documents state as a description of the noncompliance.

“Delayed availability of the rear view camera display may affect the driver’s rear view and increase the risk of a collision. The driver may continue to back the vehicle by performing a shoulder check and using their mirrors,” said NHTSA regarding the potential safety risk of the issue.

The issue may stem from a software update in late 2021 with version 2021.44.24 rolling out to cars. NHTSA said shortly after owners updated their cars: “Tesla’s fleet monitoring tool has identified an abnormal frequency of computer resets among Model 3 vehicles equipped with Autopilot Computer 2.5 and running firmware version 2021.44.25.”

Tesla voluntarily issued the recall several days ago. “On March 11, 2022, after confirming the root cause and completing a compliance assessment, and despite not finding any non-compliance in testing conducted by Tesla, a recall decision was made out of an abundance of caution to recognize the potential presence of a non-compliance of the affected vehicles, first identified in consumer complaints,” said the documents filed by NHTSA.

Tesla will remedy the issue with a firmware version 2021.44.30 which will correct the condition and ensure that the rear view image display meets FMVSS 111 S5.5.3.

According to the NHTSA Federal Motor Vehicle Safety Standards, FMVSS 111 S5.5.3 imposes certain guidelines on rearview image response time. According to the agency’s 2021 report, the rearview mirror response time standards are as follows:

“Rear view image meeting the requirements of S5.5.1 and S5.5.2 (S6.2.1 and S6.2.2), when tested in accordance with S14.2, shall be displayed within 2.0 seconds of the start of a reverse event (selector transmission gear placed in reverse) Note that the response time test in frame 65 requires the temperature inside the vehicle to be between 150 C and 250 C ( 590 F and 770 F).

Tesla has issued six recalls this year, with issues ranging from “rolling stops” to seatbelt chimes coming under scrutiny from the U.S. safety regulator.

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Tesla Issues New Recall for Mirror Image Display Delay in Autopilot Computer 2.5 Vehicles