Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

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10.0

really awful
Crashes / Fires:
1 / 1
Injuries / Deaths:
0 / 0
Average Mileage:
53,978 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.

2001 Toyota Prius electrical problems

electrical problem

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2001 Toyota Prius Owner Comments

problem #4

Jun 042007

Prius 4-cyl

  • 58,000 miles

A D V E R T I S E M E N T S

Auxiliary battery on Toyota Prius 2001 and Toyota Prius 2004 fail if the car is not driven at least every 7-10 days. This prevents the car from starting. We purchased a 2001 Prius used March 2004, and a new 2004 Prius in June 2004. The auxiliary battery failed on the 2001 Prius twice, and we replaced it once. Recently the dealer service rep told us that it is a known problem that the battery will not hold a charge unless driven every 7-10 days, and should be "disconnected" if parked for "prolonged time." This is potential safety problem for car not starting, such as if returning on plane after 2-3 week vacation and not being able to start the car, risk for vulnerability awaiting jump start. Toyota's only response is "well, it's a hybrid." They say the "hundreds of computers in the car drain the battery when parked." They could have designed in some automatic or simple switch to address this. They also could notify the potential customer of this design flaw. They did not inform us, or any of the other Prius owners we have recently discussed the issue with. The owner's manual for 2001 model makes no mention of it. In the 2004 manual, there is a brief mention of need to disconnect the battery if parked for "prolonged time" but does not define that. Although we have been happy with other features of the Prius and other toyot as we owned in the past, we consider this to be a serious and risky design flaw. Furthermore, we consider Toyota's sales people and sales brochures failure to notify us of this problem to be a significant breach of goodwill and respect for customer safety and satisfaction.

- Roseville, CA, USA

problem #3

Aug 242005

Prius 4-cyl

  • Automatic transmission
  • 83,910 miles
My car (2001 Prius) was at a dealership (marina del rey Toyota) for service. While parked, with no one inside and the ignition off, the main propulsion battery caught fire and burned through the vehicle interior, causing a total loss. Toyota blames the fire on a battery defect.

- Culver City, CA, USA

problem #2

Jul 252005

Prius 4-cyl

  • Automatic transmission
  • 74,000 miles
Vehicle stalled/died, and lost power while driving 5 mph. Throttle body module failed. There was a NHTSA recall but this involved a chemical in the pruis car battery. L. yes. Car has broke down several times since. The stalling is still a problem.

- Atlanta, GA, USA

problem #1

Oct 192002

(reported on)

Prius

  • miles
After sitting for as many as 2 days without driving, there is a battery failure. This has occurred on numerous occasions (8-10 times), and the dealer has sent a tow truck out to either start the car or tow the car into the dealership. At one point, the car was in the dealership for 3 weeks while they worked on solving the problem. They have put in several new batteries, but the problem continues. The latest occasion was this past week (October, 2002). I was without the car for 3 days. No problems were found at the dealership except for battery failure. In the past the dealership has provided me with a battery charger, but the battery charger is currently not working properly.

- Louisville, KY, USA

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