2009 Toyota Prius Control Unit/Module Problems
- 11
- Owner complaint records in our dataset
Records are owner complaints, not a measured failure rate.
Owner complaint recordsComplaint records reflect reports in our dataset and do not measure how frequently the problem occurs across all vehicles.
Among these 11 stored complaint records:
- 1 indicate a crash
- 0 indicate injury
- 0 indicate fire
What owners report
- failure occurred · 4 records
- failure mileage · 4 records
Mileage in stored records
| Band | Records |
|---|---|
| 1–30k mi | 9 |
Complaint records
Owner-submitted complaint content, presented as stored.
Antilock/Traction Control/Electronic Limited Slip · Control Unit/Module
2009 toyota prius. Consumer write regards to vehicle brake problems. Consumer also sent revised toyota document. *smd the consumer stated the same braking problem existed for models before and after the 2010 models. However, only the 2010 models were recalled.
ODI 10498801
Control Unit/Module · Service Brakes, Hydraulic
I own a 2009 toyota prius and am experiencing the same problem with braking that the 2010 prius' are having. When braking on an uneven or bumpy surface, it seems like there is a momentary pause or hesitation. *jb
ODI 10306107
Control Unit/Module · Service Brakes, Hydraulic
The problem is that our 2009 prius at times seems to accelerate momentarily when the brakes are applied. My wife and i drove this car for eleven months and didn't realize we had a problem until i had to drive the car during the start of the snow storm with 2" of snow. I was going down a hill that i have driven on in different cars a number of times in the snow. With the prius, everytime i applied brakes to keep the…
ODI 10306085
Control Unit/Module
2009 prius - i've had what felt like the car was recovering from a skid but there was no skid. During this time i sometimes see the skid warning light on and hear one wheel spinning fast. It occurs very rarely but when it does occur the road is wet or bumpy. An easy way to see this problem is to drive down the fdr north of the triboro bridge. If you want a test track of bumps this is it. It has occurred randomly…
ODI 10306116
Control Unit/Module
Tl*the contact owns a 2009 toyota prius. While driving 30 mph going down hill on a wet road the vehicle surged forward when she engaged the brake pedal and crashed into a vehicle. The brakes fully engaged after she crashed. The failure only occurred whenever she drove over a pothole. The dealer advised the contact to have the vehicle diagnosed and stated that there was nothing wrong with the vehicle. The failure has…
Crash reported
ODI 10308011
Control Unit/Module
Tl*the contact owns a 2009 toyota prius. While driving approximately 55 mph across the railroad tracks, the brakes would release momentarily before being reapplied. The contact also experienced the identical failure after driving over a pothole. The failure occurred about two hundred times. The vehicle was not taken to the dealer and the contact had not called the manufacturer when the complaint was filed. The…
ODI 10323278
Control Unit/Module
Tl*the contact owns a 2009 toyota prius. The contact stated that when driving approximately 15 mph over an uneven surface and trying to depress the brake pedal, the abs light illuminated and seemed to hydroplane for a short time. The failure never occurred on smooth surfaces. She called the dealer and was told that the brake system was "too perfect" which was why she experienced the failure. She had not spoken with…
ODI 10307838
Control Unit/Module
Tl*the contact owns a 2009 toyota prius. While driving approximately 30 to 40 mph, the driver encountered a bump whenever she drove over a bump or a pothole. The vehicle resumed normal operation; however, the failure occurred whenever encountering a bump or pothole in the road. The vehicle was taken to an authorized dealer for inspection. The technician stated that the occurrence was normal contributing to the…
ODI 10306558
Control Unit/Module · Service Brakes, Hydraulic
My 2009 pruis had a braking problem i took it back to dealer i told them i thought it was a software problem and it caused my car to spin out on a wet road it is fixed now and has not done it again. *jb
ODI 10306101
Control Unit/Module
Tl*the contact owns a 2009 toyota prius. While driving approximately 20 mph and engaging the brake pedal and making contact with a pothole the vehicle would accelerate. The dealer has not diagnosed the failure and it continues to occur. The failure mileage was 16,000.
ODI 10306298
Control Unit/Module
Tl*the contact owns a 2009 toyota prius. He stated that while driving at low speeds less then 5 mph when braking and going over a slight bump on the road the brakes disengaged momentarily. The failure occurred frequently and continued to do so whenever he drove on an uneven road. The dealer has not been notified. No repairs were made to the vehicle. He also stated that he does own another vehicle experiencing the…
ODI 10313728