575M - Where is the steering ECU? - Ferrari Life
 
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post #1 of 8 Old 09-01-2018, 04:30 AM Thread Starter
 
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575M - Where is the steering ECU?

Hello all,

New member here wondering what steering ECU I have in my 575M. Want to pull it out to have a look but I can't find anywhere in all the discussions how on earth I go about this!

As you can probably guess, I'm no mechanic...

Thanks!

Giles

2002 575M F1
2008 F430 F1 Spider
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post #2 of 8 Old 09-01-2018, 06:43 AM
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It is plugged in at the firewall behind/beneath the steering wheel. Look in from under the dash above pedals. You should be able to easily read the part number on the part.
Bill
FL
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post #3 of 8 Old 09-01-2018, 09:03 AM Thread Starter
 
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Thanks Bill! Very much appreciated.

I don't believe the car has FHP so am hoping that one of the later ECUs and some changes to the suspension can make me fall a little more in love with the car.

Thanks again,

Giles
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post #4 of 8 Old 09-01-2018, 10:14 AM
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There are only two steering ECUs for the 575M (and 550), the standard one and the FHP one. Maranello Skunkworks can reflash yours or provide one if you want to keep the original.

Next thing to check is the Shock ECU under the cheek panel on the passenger side. If you have 183960, upgrading that (plug and play) will help the handling. Read this for more info:
Attached Files
File Type: doc 575M Shock Absorber ECUs.doc (34.5 KB, 32 views)

Taz
Terry Phillips

Present: 575M 135171
Past: Dino 246 GT 02984, 365 GTB/4 14009, 308 GTS 25125

Every day I look around, and if nobody is shooting at me, it is a pretty good day.

Last edited by tazandjan; 09-01-2018 at 08:08 PM.
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post #5 of 8 Old 09-01-2018, 01:02 PM Thread Starter
 
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Thankyou Taz - that's exceptionally helpful.

How difficult is it/is it possible to retrofit the steering position sensor to an early car? Is there a benefit to running the HGTC-spec suspension ECU (210578) or would I be better off with one optimised for an earlier car?

Also, what's the difference, if any, between 201674 and 197211?

Thanks again!

Giles
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post #6 of 8 Old 09-01-2018, 08:16 PM
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Takes 5 minutes to change the steering ECU, the HGTC shock ECU will give a permanent suspension lamp on pre AN 52556 575Ms (Nov/Dec 2003), and there is very little difference between 197211, 201674, 205618, and 205619. Read the notes in the document above.

Taz
Terry Phillips

Present: 575M 135171
Past: Dino 246 GT 02984, 365 GTB/4 14009, 308 GTS 25125

Every day I look around, and if nobody is shooting at me, it is a pretty good day.
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post #7 of 8 Old 09-02-2018, 05:00 AM Thread Starter
 
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Just been out and had a look: as expected, the steering ECU is 168034 and the suspension ECU is 183960 (the car is assembly no. 45299).

So, I'll get the 175891 FHP steering ECU sorted but which suspension ECU? The prices aren't very different between them so should I just get the latest pre-Steering Position Sensor version, 205619?

It's a German LHD F1.

Thanks again!

Giles
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post #8 of 8 Old 09-02-2018, 09:05 PM
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For the same price, I would take 205618 or 205619, which are pretty much the same.

Taz
Terry Phillips

Present: 575M 135171
Past: Dino 246 GT 02984, 365 GTB/4 14009, 308 GTS 25125

Every day I look around, and if nobody is shooting at me, it is a pretty good day.
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