Electrical System Related Problems of the 2020 Tesla Model 3

Table 1 shows two common electrical system related problems of the 2020 Tesla Model 3. The number one most common problem is related to the electrical system (35 problems). The second most common problem is related to the adas autonomous/self driving (three problems).

Table 1. Electrical System related problems of Tesla Model 3

Problem Category Number of Problems
Electrical System problems
35
Adas Autonomous/self Driving problems
3

Recently reported Electrical System problems of the 2020 Tesla Model 3

The Electrical System problem

My Tesla Model 3 was brought to Tesla princeton service center on February 27, 2025 for a 12v battery replacement. During the service visit, Tesla also replaced the rear glass, citing the rear defroster as the root cause of the battery drain — a repair that was added without prior discussion   Read details...

The Adas Autonomous/self Driving problem

The contact owns a 2020 Tesla Model 3. The contact stated that while driving 75 mph at night with self-driving assist mode, the auto high beams lights engaged three times within 20 seconds. The contact stated that the driver who was ahead of him then decelerated and veered to the side of the road   Read details...


Electrical System related problems in other Tesla Model 3 model year vehicles:



Model 3 Service Bulletins
Model 3 Defect Investigations