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Steering Assist Failure


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#1 starfield

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Posted 28 October 2011 - 02:40 PM

The 'Steering Assist Failure' appeared on the dash on Monday morning. I have driven around 1 mile from my house. It appeared very briefly. It disappeared as quickly as it came on. There was no change in the way the steering felt though. I have to admit though that I have increased the tyre pressure in both the front and rear tyres (2.3 bar and 2.6 bar respectively). I was driving to Amsterdam that day with 3 passengers and luggage.
Could the increase in tyre pressure caused the brief 'warning' to come on?

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#2 ChrisH

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Posted 28 October 2011 - 07:54 PM

I would be suspecting the power steering pump on the way out.... This happened to me, and a week later the power steering pump failed. Luckily the car was still under warrenty... Mine was also a 56 plate focus...

#3 starfield

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Posted 28 October 2011 - 08:48 PM

I would be suspecting the power steering pump on the way out.... This happened to me, and a week later the power steering pump failed. Luckily the car was still under warrenty... Mine was also a 56 plate focus...



Hi ChrisH,

How much did that cost?

#4 jeebowhite

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Posted 29 October 2011 - 12:25 PM

Under warranty it would have been free. I previously had this 1. After i had an accident, only bonnet and bumper damage but the impact upset the steering.
2. After i hit a pot hole on a country road it used to flash up

Thankfully it went away after a week or so, like you responsiveness was fine throughout.

#5 starfield

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Posted 30 October 2011 - 06:59 PM

I would like to add that the 'steering assist failure' indication appeared at the very initial stage of my outwards journey to Amsterdam. It did not manifest itself again (more than 600 miles later). Should I conclude that this matter is an ECU mistake?

#6 jeebowhite

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Posted 31 October 2011 - 01:30 PM

I recon you could probably (safely) assume that, its possibly just a misreading from a sensor, and it cleared up, so dont worry too much about it, unless it occurs again you should be fine. chance bash (gently) a pothole, or kurb just before it happened?

#7 starfield

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Posted 02 November 2011 - 08:41 PM

I recon you could probably (safely) assume that, its possibly just a misreading from a sensor, and it cleared up, so dont worry too much about it, unless it occurs again you should be fine. chance bash (gently) a pothole, or kurb just before it happened?


I overinflated just before it happened (2.3 bar at the front and 2.6 at the rear)

#8 artscot79

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Posted 02 November 2011 - 09:40 PM

I overinflated just before it happened (2.3 bar at the front and 2.6 at the rear)


possibly the fact the wheels were not contacting the ground fully just a stab in the dark but sounds plausible.........................i hope :unsure:

#9 jeebowhite

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Posted 03 November 2011 - 03:32 PM

Overinflating by that little a degree wouldnt cause the issue, if it hasnt happened again dont worry - cars with this level of technology and sensors will all have a 'moment' as we do as people / aliens (depending on how you class yourself!) otherwise, if it recurs get it checked!

#10 starfield

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Posted 12 November 2011 - 12:40 PM

I did the dash diagnostics after that and E196 was logged in. The car is running perfectly fine though.

#11 jeebowhite

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Posted 14 November 2011 - 03:51 PM

E196 (U2196) Invalid data for engine RPM (Invalid CAN message) - dont think thats got anything to do with it so I wouldnt worry...

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