pretty bad
Typical Repair Cost:
No data
Average Mileage:
133,790 miles
Total Complaints:
2 complaints

Most Common Solutions:

  1. use the right battery (2 reports)
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2007 Toyota Prius electrical problems

electrical problem

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2007 Toyota Prius Owner Comments

problem #2

Sep 092015


  • Automatic transmission
  • 180,000 miles


I had the hybrid battery replaced at 148,500 miles (approximately); got in just under the 150K Extended Warranty on the battery. Big Red Triangle light came on as I was heading to a concert; found out it's the hybrid battery...AGAIN!

It only has 33K on it, so it will be covered under warranty (I assume). However, car will be in the shop for 2-3 days.

- , Capistrano Beach, CA, USA

problem #1

Feb 052013


  • Automatic transmission
  • 87,580 miles
Recently I had my Toyota Prius serviced at the agency from which it was purchased, Kendall Toyota of Eugene, Or. The 12 volt battery needed to be replaced. I asked to see it tested and sure enough, the center cell was dead.<p>  The mechanic had the new battery ready to put in and I could read the label.

It was a 12 volt, lead-acid battery with an inaccessible vent opening. I asked why there was a vent since both the Service Agent and Mechanic agreed that it was a Gel-type battery. They offered no answer to my question. Gel batteries do not have a vent. Lead-acid batteries must be vented and they must have cell access in order to check the cell electrolyte level and replenish it if necessary. Failure to perform a regular test on electrolyte level results in early battery failure.

The reason I asked was that I had to pay for a new battery at $203.02, and the charge for resetting the computer was $95.00. That was why I wanted to see the old battery tested.

A week later, I asked some questions about how long the battery would last with certain loads and the engine not running: radio, dome lights, headlights, etc. I also asked how to reset the computer if the battery died and was recharged. I was told that the computer would reset itself !

I have been misled ( lied to ) and overcharged. I am I being overcharged for labor, and I am being overcharged for the battery.

My Background and Argument: A small capacity lead-acid battery costs no more than $50.00 A Gel-type battery costs about $75.00, of comparable size.

I am basing my argument on my own expertise as a former Professor of Electrical and Electronic Engineering, plus years as an Engineering Consultant. In addition, I maintain 12- lead acid batteries in my solar electric system, plus an additional six Gel-type batteries in an all-electric car I own. I have also written a book on Solar Electric System Operation and Maintenance, half of which is a discourse on batteries.

- , Springfield, OR, USA

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