Electrical System Related Problems of the 2021 Tesla Model Y

Table 1 shows six common electrical system related problems of the 2021 Tesla Model Y. The number one most common problem is related to the electrical system (97 problems). The second most common problem is related to the adas autonomous/self driving (four problems).

Table 1. Electrical System related problems of Tesla Model Y


Recently reported Electrical System problems of the 2021 Tesla Model Y

The Electrical System problem

The main vehicle computer (mcu) failed. The problem first appeared in may 2024 with intermittent rear camera malfunctions. It has since worsened. Most recently (08/28/25), the center display went completely black and the vehicle became inoperable — I could not start or move it.   Read details...

The Adas Autonomous/self Driving problem

The contact's client owns a 2021 Tesla Model Y. The contact stated while they were driving approximately 50-55 mph with the vehicle in self-drive mode, the vehicle veered to the left and crashed into a guard rail. There were no warning indicator lights illuminated.   Read details...

The 12v/24v/48v Battery problem

The contact owns a 2021 Tesla Model Y. The contact stated after placing the children in the vehicle, he was unable to enter the vehicle. The contact stated that the vehicle lost electric power while attempting to open the door with the key fob and with the phone app however, the door remained   Read details...


Electrical System related problems in other Tesla Model Y model year vehicles:



Model Y Service Bulletins
Model Y Defect Investigations