hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
55,000 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2005 Toyota Prius electrical problems

electrical problem

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2005 Toyota Prius Owner Comments

problem #1

Feb 152007


  • Automatic transmission
  • 55,000 miles


We have two 2005 Toyota priuses which have exhibited identical stalling and shifting problems. The hybrid system will stall or not operate and will not allow us to shift the vehicle into gear periodically. One Toyota dealer says we need to replace the transaxle, and another was not sure and said there best "guess" was to refresh the ECU and hybrid control module software, however after doing extensive research online believe it to be a combination of a software glitch attributed to a leak in waterproofing a gasket near an ECU. The problem was brought to the dealers attention almost a year ago while the vehicles were still under warranty. All they did was simply "flash" or refresh the memory and did not actually resolve the problem. The Prius' hybrid-related components, including the hybrid control module are covered for 8 years/100,000 miles. We also mentioned to the dealer the unusual and excessive tire wear on both vehicles, some of the tires had no tread and were already bald after only 12,000 miles. I am wondering if this could be related to the steering or traction control issues prevalent with this model.

- Cosat Mesa, CA, USA

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