Table 1 shows one common hybrid propulsion system related problems of the 2005 Toyota Prius.
| Problem Category | Number of Problems |
|---|---|
| Hybrid Propulsion System Inverter problems |
The contact owns a 2005 Toyota Prius. While driving approximately 35 mph, the vehicle stalled and all the warning indicators illuminated. The vehicle was taken to an independent mechanic where it was diagnosed with an inverter water pump failure. The vehicle was not repaired. The manufacturer was made aware of the failure and informed the contact that the VIN was not included in NHTSA campaign number: 12v563000 (engine and engine cooling, hybrid propulsion system). The failure mileage was approximately 160,000.
The contact owns a 2005 Toyota Prius. The contact stated that while driving with the cruise control activated at 75 mph, all of the warning indicators on the instrument panel illuminated in addition to the inverter cooling system warning message displaying. The contact shut off the engine but the failure was still present once restarted. The vehicle was included in NHTSA campaign id number 12v536000 (engine and engine cooling, hybrid propulsion system) however, the contact was not able to have the vehicle repaired because there was not a qualified technician to perform the repair at the local dealer. The contact received the recall notification six months prior and the dealer was unable to provide an expected date of when the vehicle could be serviced under the recall. The manufacturer was notified of the problem. The approximate failure mileage was 153,000.
The contact owns a 2005 Toyota Prius. The contact stated that while driving 55 mph, the vehicle suddenly stalled. The vehicle was towed to the dealer where it was found that the inverter converter needed to be replaced. The contact was informed that repairs completed under NHTSA campaign id number: 12v536000 (hybrid propulsion system: inverter) may have caused the failure. The manufacturer was notified and offered to pay for a portion of the repair. The vehicle was not repaired. The failure and current mileage was 116,000.