Toyota recall 1.9 million Prius vehicles

News

The Toyota Prius was the first mass-produced hybrid vehicle with the first generation release in 1997. The second generation of Prius was release 2003-2009 and the third (current generation) 2009-Present. Today Toyota is recalling 1.9 million of them due to a software fault.

The recall effects the current generation of Prius manufactured between March 2009 and present.

The fault:-

Toyota has identified through its stringent quality reporting programme that there may be an issue concerning the software used to control the boost converter in the Intelligent Power Module, part of the hybrid system’s inverter assembly.

The boost converter is required when driving with a high system load, for example when accelerating hard from standstill.

Toyota has identified that the software setting could lead to higher thermal stress occurring in certain insulated-gate bipolar transistors in the boost converter which may lead to them deforming or being damaged.

Should this happen, warning lights may be illuminated and the car is likely to switch to “failsafe” operation – it can still be driven, but with reduced power. In limited cases the hybrid system may shut down, causing the vehicle to stop.

The driver will not experience any change in the vehicle’s behaviour or performance prior to the problem occurring.

Toyota can confirm that this issue will not occur in other Toyota hybrid vehicles, as these use different transistor structures and control logic.

-Toyota

 
So far there are no reports of any accidents or injuries relating to this issue.

If you would like to know if your Prius is up for recall, you can check your vehicles registration on this link.
http://www.toyota.co.uk/owners-info/recall-checker

Source’s
BBC News
Toyota

Fault, Hybrid, Prius, Recall, Toyota

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