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Discussion Starter #1
Hello to all,

I have been wandering around this forum since I bought my first Alfa, 2 months ago, but without any needs for assistance.
The time has come.

Fyi, mine is the JDTM 1.300cc 85PS Distinctive model of 2013, Diesel, with 59000khm.

As I started today, and run for 300mtrs, electrical support of the steering wheel just stopped.

DST unavailable check handbook, dynamic/all weather unavailable, maybe it showed some additional alarms, but due to my confusion didn't pay attention and immy switched my car off.

Upon switching ON again, no errors or icons activated, and drove for 20khms smooth, with the switch in Neutral.

For the last 1 month, i constantly driving her in Dynamic.

I booked tomorrow a visit to my engineer.
From what i found around here, there are 3 possibilities:
A) sensors in wheel column.
B) bad battery
C) complete wheel column.

Any comments from your side guys?
Would be highly appreciated.
 

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A, B or C or a combination or all ..

Battery is a wise start as it tends to be the cheapest option, unless you have stop-start too!!
 

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I have just had the same issue and sorted it with a new battery. My old battery still gave good readings on my multimeter but was the original (2012) ***** battery. The steering column does seem to flag up quite a lot as a fault but not as much as the battery does. If yours is still the original then its 6 years old and wouldn't hurt to replace it anyway.
 

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Discussion Starter #5
Hi @Madd46,
Good day, and thank you for your reply.

How can you identify that it's a battery issue? By measuring its output power?
As this problem of losing elec. assist on the steering wheel cannot be predicted, identified from driving experience, or read by the ECU. Right?

How do you know, that even with changing the battery it will not happen again?
That's my question, as I don't feel comfortable enough to drive my mito freely.
I'm always standby and always driving in the right lane afraid of re-occurrence.

How did you react when it happened?
In fact, if you drive and you are at that moment on a turn, and this occurs, are you able to turn the wheel right to stop?

When this happened to me, I was driving with 20khm in a straight one-lane road.

Thank you a lot for your info.
 

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Hi @Madd46,
Good day, and thank you for your reply.

How can you identify that it's a battery issue? By measuring its output power?
As this problem of losing elec. assist on the steering wheel cannot be predicted, identified from driving experience, or read by the ECU. Right?

How do you know, that even with changing the battery it will not happen again?
That's my question, as I don't feel comfortable enough to drive my mito freely.
I'm always standby and always driving in the right lane afraid of re-occurrence.

How did you react when it happened?
In fact, if you drive and you are at that moment on a turn, and this occurs, are you able to turn the wheel right to stop?

When this happened to me, I was driving with 20khm in a straight one-lane road.

Thank you a lot for your info.
As others have said the battery is a likely cause and cheapest to resolve.

It might be the alternator not charging the battery adequately rather than the battery itself. With engine running, battery voltage should exceed 14V.

Voltage of the battery with engine stopped isn't a very helpful measure so go to a garage with a battery tester. Though even then the test can say a poor battery is OK.

I suggest you bite the bullet and replace the battery (with one adequate for a Stop/Start car) crossing fingers that is the cause.

Andy
 

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Discussion Starter #7
As others have said the battery is a likely cause and cheapest to resolve.

It might be the alternator not charging the battery adequately rather than the battery itself. With engine running, battery voltage should exceed 14V.

Voltage of the battery with engine stopped isn't a very helpful measure so go to a garage with a battery tester. Though even then the test can say a poor battery is OK.

I suggest you bite the bullet and replace the battery (with one adequate for a Stop/Start car) crossing fingers that is the cause.

Andy
Will do @Andy.
Thanks a lot
 

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How old is the battery? They can do weird things. I had one in an Alfa that showed all the signs of being under charged but only when warm .. car would start fine in the morning, but once the car was warmed up, stop to fill up or pop to a shop, and you would have to wait 20-30 mins to restart!

A small drop in voltage can cause the steering to drop out .. but we can't guarantee it will fix it .. we are just saying this has been known to .. but it could still be the steering motor/sensors.

When our MiTo had this problem it would only do it first thing in the morning .. which the garage diagnosed as the steering system .. it was under warranty then anyway.
 

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Discussion Starter #9
How old is the battery? They can do weird things. I had one in an Alfa that showed all the signs of being under charged but only when warm .. car would start fine in the morning, but once the car was warmed up, stop to fill up or pop to a shop, and you would have to wait 20-30 mins to restart!

A small drop in voltage can cause the steering to drop out .. but we can't guarantee it will fix it .. we are just saying this has been known to .. but it could still be the steering motor/sensors.

When our MiTo had this problem it would only do it first thing in the morning .. which the garage diagnosed as the steering system .. it was under warranty then anyway.
Hi @gazza82,

The battery seems to be 2 years old, but I don't trust it, as it has a sticker with the dealership brand on it. Once checked in to service, they will look it first.

In my case, happened in the first 200/300 meters in the morning... Damn.. :censored:
 

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My steering failed while I was in a car park so maneuvering into a space was a bit of a challenge but at least it was at a slow speed. Like I said though, my battery was 7 years old so even if I was wrong and it was the steering column/sensor it needed changing. If there's more than one solution then I always go cheapest and easiest first, if you get it wrong then its not the end of the world. Also listen to people on the forums who sound experienced. I'm only on my first Alfa which I bought 6 months ago but the other two guys posting on this thread joined in 2003 so I'm guessing they've heard of most problems and solutions on here.
 

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My steering failed while I was in a car park so maneuvering into a space was a bit of a challenge but at least it was at a slow speed. Like I said though, my battery was 7 years old so even if I was wrong and it was the steering column/sensor it needed changing. If there's more than one solution then I always go cheapest and easiest first, if you get it wrong then its not the end of the world. Also listen to people on the forums who sound experienced. I'm only on my first Alfa which I bought 6 months ago but the other two guys posting on this thread joined in 2003 so I'm guessing they've heard of most problems and solutions on here.
Hi @Madd46

I am listening, thats why i'll follow their advice :devious:

Thank you all!
 

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Hi @Madd46

I am listening, thats why i'll follow their advice :devious:

Thank you all!
Sorry if it sounded like I meant you weren't listening, thats not what I meant. I was just stating the advice from people on specialist forums like this sometimes know more than a mechanic who works mainly on more 'common' vehicles.
Sometimes what seems like an obvious issue turns out to be something else. Such as power steering failure is not the power steering at all and could just be a battery.
No offence intended, I probably just worded it wrong.
 

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Another possible cause of power steering drop outs that I've read is problems with the earth (ground/negative) strap attachment points - the negative lead for the battery is connected to the bodywork and also to a point on the gearbox. The gearbox connection point is prone to corrosion which can result in the connection becoming poor and triggering sensor errors.
 
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