C4 Grand Picasso EGS Gear selection problems
Moderator: RichardW
C4 Grand Picasso EGS Gear selection problems
Hi. New to this forum but in need of a genius!! Parked my C4 Grand Picasso HDi EGS one night, next morning no gear selection available!
No warning, no on-going problems known. Engine starts and runs fine, but when any gear is selected it flashes momentarily on the screen and reverts to "N".
Fault code P1755 detected but that indicates a multitude of sins, nothing specific, so I guess my question is :-
Has this happened to anyone else and how do I fix it without Citroen main dealers charging me a small fortune to replace everything blanket style ??
No warning, no on-going problems known. Engine starts and runs fine, but when any gear is selected it flashes momentarily on the screen and reverts to "N".
Fault code P1755 detected but that indicates a multitude of sins, nothing specific, so I guess my question is :-
Has this happened to anyone else and how do I fix it without Citroen main dealers charging me a small fortune to replace everything blanket style ??
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- Donor 2023
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Re: C4 Grand Picasso EGS Gear selection problems
Hello, and welcome to the forum.
There is one thing you could do. Look in the following post, find who is nearest to you, and then ask them if they could help with their Lexia system;
http://www.frenchcarforum.co.uk/forum/v ... 19&t=29178" onclick="window.open(this.href);return false;
There is one thing you could do. Look in the following post, find who is nearest to you, and then ask them if they could help with their Lexia system;
http://www.frenchcarforum.co.uk/forum/v ... 19&t=29178" onclick="window.open(this.href);return false;
James
ex BX 1.9
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- demag
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Re: C4 Grand Picasso EGS Gear selection problems
Sometimes a net search can help. It might be as simple as dropping the battery for half hour.
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Sent from my HUAWEI P6-U06 using Tapatalk
Dave
2011 Peugeot 3008 1.6hdi Exclusive EGS.
'04 C5 auto estate 2.2 hdi. Gone.
Bx 1.6 TGS Auto 50k A rare beast by all accounts. A bit tired but getting better by the day. Gone.
'96 XM 2.5TD VSX.......Sadly sold. What an idiot! I should have held on to that.
2011 Peugeot 3008 1.6hdi Exclusive EGS.
'04 C5 auto estate 2.2 hdi. Gone.
Bx 1.6 TGS Auto 50k A rare beast by all accounts. A bit tired but getting better by the day. Gone.
'96 XM 2.5TD VSX.......Sadly sold. What an idiot! I should have held on to that.
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- Donor 2023
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Re: C4 Grand Picasso EGS Gear selection problems
Oops, forgot about the BSI reset. This also might help;
BSI Reset / Battery Disconnect / Reconnect Procedure
BSI Reset / Battery Disconnect / Reconnect Procedure
James
ex BX 1.9
ex Xantia 2.0HDi SX
ex Xantia 2.0HDi LX
Ex C5 2.0HDi VTR
Ex C5 2.0HDi VTR
C5 2.2HDi VTX+
Yes, I am paranoid, but am I paranoid ENOUGH?
Out amongst the stars, looking for a world of my own!
ex BX 1.9
ex Xantia 2.0HDi SX
ex Xantia 2.0HDi LX
Ex C5 2.0HDi VTR
Ex C5 2.0HDi VTR
C5 2.2HDi VTX+
Yes, I am paranoid, but am I paranoid ENOUGH?
Out amongst the stars, looking for a world of my own!
Re: C4 Grand Picasso EGS Gear selection problems
There is a clutch reprogramming procedure on the Lexia, we find that when it is required, the clutch & DMF are ready for replacement.
http://www.marklightfootltd.co.uk
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Re: C4 Grand Picasso EGS Gear selection problems
The fault code has come up before: http://www.frenchcarforum.co.uk/forum/v ... =3&t=43399"
Richard W
Re: C4 Grand Picasso EGS Gear selection problems
Thanks everyone.
Tried the battery reset with no avail. But a life data check showed one rear wheel traveling at 128kph with vehicle stationary! Does this shed any light?
The permanent code I have is P1755 which equates to clutch actuator or intermediate speed sensor among other things according to which data base you extract the information.
I'm tying the ISS with the life data reading !
Am I barking up the wrong tree??
I'm capable of changing anything on the car if only I knew what to change. I don't have endless funds to change everything linked to the gearbox and clutch until it works again!!
WHY IS THERE SO LITTLE KNOWN ABOUT THESE CARS?
Tried the battery reset with no avail. But a life data check showed one rear wheel traveling at 128kph with vehicle stationary! Does this shed any light?
The permanent code I have is P1755 which equates to clutch actuator or intermediate speed sensor among other things according to which data base you extract the information.
I'm tying the ISS with the life data reading !
Am I barking up the wrong tree??
I'm capable of changing anything on the car if only I knew what to change. I don't have endless funds to change everything linked to the gearbox and clutch until it works again!!
WHY IS THERE SO LITTLE KNOWN ABOUT THESE CARS?
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- Donor 2023
- Posts: 13727
- Joined: 01 Apr 2012, 09:47
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- x 2993
Re: C4 Grand Picasso EGS Gear selection problems
Well, they are fairly new, so it will take time for knowledge to get onto the forum. However, at a guess (guess, mind you), I would suggest an ABS sensor has thrown a wobbly. However, I am not sure how to test for this. Something that might help is to jack up each wheel in turn, connect up the Lexia (I am assuming you have one, based on the info you posted), go into the ABS systems, see if you can find anything that relates to wheel speed, and then get an assistant to rotate each wheel to see what the Lexia says.
The reason I suggest this is that when Gracie had a problem with her ABS (cracked reluctor rings) we tested the ABS this way after the rings were replaced, and we could see what speed the system believed the wheels were turning at. I wasn't the one who went into the menus (CitroJim did, with his system), which is why I don't know exactly where to look. I hope this helps.
Still, when an expert sees this I am sure they will be able to give better advice.
The reason I suggest this is that when Gracie had a problem with her ABS (cracked reluctor rings) we tested the ABS this way after the rings were replaced, and we could see what speed the system believed the wheels were turning at. I wasn't the one who went into the menus (CitroJim did, with his system), which is why I don't know exactly where to look. I hope this helps.
Still, when an expert sees this I am sure they will be able to give better advice.
James
ex BX 1.9
ex Xantia 2.0HDi SX
ex Xantia 2.0HDi LX
Ex C5 2.0HDi VTR
Ex C5 2.0HDi VTR
C5 2.2HDi VTX+
Yes, I am paranoid, but am I paranoid ENOUGH?
Out amongst the stars, looking for a world of my own!
ex BX 1.9
ex Xantia 2.0HDi SX
ex Xantia 2.0HDi LX
Ex C5 2.0HDi VTR
Ex C5 2.0HDi VTR
C5 2.2HDi VTX+
Yes, I am paranoid, but am I paranoid ENOUGH?
Out amongst the stars, looking for a world of my own!
Re: C4 Grand Picasso EGS Gear selection problems
Cheers I'll be sure to try that first thing tomorrow.
Do you know wether or not this would be the cause of the symptom of the car not going into gear??
Do you know wether or not this would be the cause of the symptom of the car not going into gear??
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- Donor 2023
- Posts: 13727
- Joined: 01 Apr 2012, 09:47
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- My Cars: C5 Mk2 VTX+ estate.
- x 2993
Re: C4 Grand Picasso EGS Gear selection problems
I wouldn't know for certain, as my knowledge stops at the Xantia. However, it seems reasonable that this would be why, as the ECUs cannot determine what speed the car is actually doing, so it (in effect) goes into safe mode. Still, I am sure somebody with more knowledge than I will be able to give better advice.
James
ex BX 1.9
ex Xantia 2.0HDi SX
ex Xantia 2.0HDi LX
Ex C5 2.0HDi VTR
Ex C5 2.0HDi VTR
C5 2.2HDi VTX+
Yes, I am paranoid, but am I paranoid ENOUGH?
Out amongst the stars, looking for a world of my own!
ex BX 1.9
ex Xantia 2.0HDi SX
ex Xantia 2.0HDi LX
Ex C5 2.0HDi VTR
Ex C5 2.0HDi VTR
C5 2.2HDi VTX+
Yes, I am paranoid, but am I paranoid ENOUGH?
Out amongst the stars, looking for a world of my own!
- daviemck2006
- (Donor 2020)
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Re: C4 Grand Picasso EGS Gear selection problems
Have you looked on c4 owners forum. They know more about these although the forum is not that easy to navigate. I would think you will find a lot more knowledge there.
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Re: C4 Grand Picasso EGS Gear selection problems
I'm pretty sure that if it is confused about the speed it will spit the dummy about the gear box! I'm surprised the ABS light is not on..... What happens to the speed reading if you disconnect the relevant ABS sensor? Check the ring on that wheel for dirt / cracks (or missing!). Not sure how easy it will be see - looks like it is on the back of the hub. Looking at service.citroen it appears that the ring is available separately, but astonishingly, the disc is only available with the hub - and they cost £90 each Suspect it needs a new sensor - I wonder if the connectors are near one another and you could swap them over and see if the fault moves side?
C4owners is all very well, but there is not much DIY on there, just lots of people saying "take it to the dealer", and "took it to the dealer and it cost £lots"
C4owners is all very well, but there is not much DIY on there, just lots of people saying "take it to the dealer", and "took it to the dealer and it cost £lots"
Richard W
Re: C4 Grand Picasso EGS Gear selection problems
Hi again.
Finally worked out that it needs the clutch actuator replacing!!
Does anyone have the procedure please??
Thanks in advance
Finally worked out that it needs the clutch actuator replacing!!
Does anyone have the procedure please??
Thanks in advance
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- Forum Treasurer
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Re: C4 Grand Picasso EGS Gear selection problems
There's a link in the thread I posted above to the procedure for a C2 - imagine the C4GP will be similar.
Richard W