really awful
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
761 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 Avalon engine problems

engine problem

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2005 Toyota Avalon Owner Comments

problem #4

Jul 012005

Avalon 6-cyl

  • Automatic transmission
  • 3,000 miles


The contact owns a 2005 Toyota Avalon. The contact stated that when the cruise control activated it surged automatically and then level ed off two gears. The failure gave the impression that the vehicle lost control. While driving in light rain at 50 mph the cruise control caused the vehicle's front wheels to spin. Toyota stated that the failure was caused by a programming failure that needed to be repaired. The current mileage is 242,000, and failure mileage was 3,000.

- Austin , TX, USA

problem #3

Aug 162005

Avalon 6-cyl

  • Automatic transmission
  • 45 miles
With cruise control (cc) on, between about 30 & 70 mph, on inclines that cause a speed decrease of 3+ mph, car downshifts more than the normal 1 gear, & surges ahead quite violently, with large RPM increases, to 3+ mph above that set, then slowly settles to the set speed. With the cruise control set at 70 mph on a level interstate, I slowed to 60 mph & set the "resume" function; it downshifted once, accelerating normally, until, @ 64 mph, downshifted again, more than one more gear & surged violently ahead, up about 3000 RPM & to 72-73 mph before returning to 5th gear, & slowing to 70 mph. The rapid increases are startling to all occupants, and could cause a loss of control, and the often rapid braking to maintain control, a real challenge for the tailgater behind on a cell phone! downhill, with cruise control on, it usually, but not always, speeds up excessively; more than with cruise control off. It usually acts normal on flat roads, and, except as stated, on high speed highways with gradual inclines. With cruise control off, none of these abnormal things happen. When the dealers shop foreman had me test drive a 2006 with him as passenger. And both cars did it he decided it was "normal". but even if all 05/06 Avalons do, it's not "normal". while I do know that downshifting gently in the right circumstances is normal, as a highly experienced commercial driver & aircraft Pilot/mechanic, & avid cc user, I have never had a vehicle act like this. When I phoned corporate Toyota, they opened case #2005 0921 1138; had the "area rep." Investigate (he/she never contacted me, or drove my car); told me that since the "area rep" considers it "normal" my only recourse with them is to enter "arbitration". we like this car very much, & would like to keep it if this can be rectified. Surely it's a software glitch or something along that line. Please help solve this obvious design flaw, before a tragedy forces it. Thank you.

- Debary, FL, USA

problem #2

Apr 182005

(reported on)


  • miles
2002 Toyota Avalon has a potential problem with the sonar controlled cruise control equipment. When and if that car in front for some reason or other, will slow down quickly. The driver behind my vehicle has no idea as to what is happening as the brake lights do not show that I am slowing down, especially if consumer are traveling at high speeds. See also voq 10116392.

- Davie, FL, USA

problem #1

Feb 042005

Avalon 6-cyl

  • Automatic transmission
  • miles
No accidents so far. Problem sonar cruise controlled cars. I have anew Toyota Avalon limited. I have the sonar cruise contol which works very well. Ptroblem when my car slows down suddenly becauseof the car in front, there is no warning for the car behind me.. Toyota was notified of this [problem and told me not to use the sonar in heavy travelled roads. That is no souution. There should be a fix to make the brake lights go on when the car is slowed down by the sonar. Toyota says that they do not go on. That is the problem no waarning to the driver in the rear of my car. Can anything be done to correct that problem? please let mer know. Shapm@bellsouth.net. See also voq 10119009.

- Davie, FL, USA

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