Brake booster failure and lost power due to malfunctioned battery . Car could not start and had to be transported by road assistance to dealer for repair. Dealer had to replace Brake Booster as well as replace battery with a new one. Car was purchased brand new in March 2023. Only 10700 miles on it.
2023 toyota Corolla electrical problems
severe 9 complaints filed with NHTSA · avg repair $850
What owners are reporting 3 most recent
The contact owns a 2023 Toyota Corolla. The contact stated that after starting the vehicle, an audible chime was heard, and unknown RED message was displayed on the instrument panel. The vehicle was taken to a dealer however, the dealer was unable to duplicate the failure or determine the cause for the failure. The manufacturer was notified of the failure and the contact was provided a case number…
To start, on [XXX], I was going through an intersection on a country road and my automatic emergency braking engaged for no reason. My car stopped despite no other vehicle or object being in my way or anywhere close to me. I found it really weird but did not think much about after the fact. I have also heard a rattling noise under my hood since [XXX] and have reported this to Toyota and tried to h…
Common questions
How serious is the electrical problem on the 2023 toyota Corolla?
It's a meaningful issue. 9 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.