Loss of Power Steering Assist

An NHTSA Preliminary Evaluation into Mini vehicles. Closed 10 May 2011.

Investigation
PE10038
Type
Preliminary Evaluation
Opened
24 September 2010
Closed
10 May 2011

What NHTSA investigated

ODI has received 339 complaints alleging an unexpected loss of power steering assist while driving the vehicle.When the power steering assist stops working, drivers experienced difficulty in steering and/or controlling the vehicle.According to BMW drivers may experience either a temporary or permanent loss of power steering assist.BMW further advised that a temporary loss of power steering assist may be due to a malfunctioning cooling fan or an under-voltage condition in the power steering system.A permanent loss of power steering assist may be due to an error in the internal electronics, and may also result in the continuous running of the power steering pump.The VOQ complaints allege 5 minor crashes and 3 fires.The crashes are described as hit the curb.The fires are described as melted wires. There were no property damage claims.ODI has received similar complaints for other model year Mini.Additional information is required to evaluate the frequency, consequence, and scope of this issue.Accordingly the investigation has been upgraded to an Engineering Analysis (see EA11-005).

Vehicles covered

MakeModelModel years
BMWMINI COOPER2004
MiniCOOPER2004–2005
MiniCOOPER CONVERTIBLE2005
MiniCOOPER S2004–2005

Source

From NHTSA’s investigation file, rebuilt daily. To report a problem with your own vehicle, go to nhtsa.gov/report-a-safety-problem. All open investigations.