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Ukorca
Member Since: 07 Jan 2012
Location: Coventry
Posts: 24
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| Gearshift X position sensor – circuit high |
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After a clutch change, I've now got a P174b code (from a SnapOn diagnostic) which reads "Gearshift X position sensor – circuit high". I cna't change down to low range, a park brake fault and no reversing lights or cruise control. It clearly doesn't know what geat it's in. The car is an 08 Disco XS Manual.
Anyone want to fathom a guess what to look at first?
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 10th Jun 2015 7:32 pm |
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Ukorca
Member Since: 07 Jan 2012
Location: Coventry
Posts: 24
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A little more info. A local garage has changed the XY sensor, but the fault is still the same. The diagnostics were showing that the voltage of the x sensor doesn't change at all when the gears are changed, so I'm going to assume that the next thing to change would be the Transfer box ECU.
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| 20th Jun 2015 12:39 pm |
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Oswiperus
D3 Decade
Member Since: 02 Apr 2010
Location: Chelmsford, Essex
Posts: 1599
 
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As the problem has only present since the gearbox has been removed I would be paying close attention to the wiring/connectors to gearbox and transfer box in case they have been damaged.
Stu
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| 20th Jun 2015 2:13 pm |
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Ukorca
Member Since: 07 Jan 2012
Location: Coventry
Posts: 24
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Thanks Stu. I'm probably going to have to take it up to the Stealers to get them to sort it.
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| 20th Jun 2015 2:49 pm |
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Oswiperus
D3 Decade
Member Since: 02 Apr 2010
Location: Chelmsford, Essex
Posts: 1599
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Hope you get it sorted soon, let us know you get on.
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| 21st Jun 2015 11:54 am |
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Oswiperus
D3 Decade
Member Since: 02 Apr 2010
Location: Chelmsford, Essex
Posts: 1599
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Hope you get it sorted soon, let us know you get on.
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| 21st Jun 2015 11:55 am |
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Ukorca
Member Since: 07 Jan 2012
Location: Coventry
Posts: 24
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Out of interest, does anyone know how many hours labour might be involved in swapping out all the wiring/connectors? I'm told the looms might be difficult to extract?
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| 22nd Jun 2015 10:03 am |
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Ukorca
Member Since: 07 Jan 2012
Location: Coventry
Posts: 24
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Problem solved.
The Stealer's diagnosis was that the wiring connection to the transfer box had been damaged and that no voltage was getting there at all.
They gave me two options. Take everything out and replace the looms (circa £800 labour) or just replace the two wires specific to the transfer box (£500). I went for the latter and fair play to them, it's sorted and has been fine since I had it back.
Still, an expensive lesson learned. Don't trust your car to people who don't do LR. 
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| 6th Jul 2015 7:04 am |
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john watson
Member Since: 10 Nov 2011
Location: lanark
Posts: 969
 
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Mikey changed out the sensor plus the loom on my D3. Took him about 3 hours total. From memory the loom was about £80 and the sensor £180.
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| 6th Jul 2015 9:43 am |
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