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Old 27-01-2018   #1
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Hand brake warning light on 2004 Fiat Ulysse JTD

Hi I'm new to the forum but have reviewed various threads on the above subject but have still not resolved my problem. The hand brake on warning light came on the dashboard with a 'stop' light while I was driving. I checked the brakes and found that the return strings on one of the rear caliper was seized up making the brake bind. I freed this with a little WD 40 but the light did not go out. Its on all of the time while driving now.
I filled up the brake fluid reservoir but that did not correct it. I thought it might be worn pads so replaced all 4 of them but light is still on.
I had already checked the brake light switch by both disconnecting it and also by shorting the connections across therefore I do not think it is that.
Does anyone have any ideas on what could be causing this? Should I think about replacing the rear caliper (the one that seized)? Is there some sort of sensor in that.
Could there also be an adjustment on the hand break that would put the light on?
Many thanks for your help.
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Old 27-01-2018   #2
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Quote Originally Posted by normanwatts View Post
Hi I'm new to the forum .
The hand brake on warning light came on the dashboard with a 'stop' light while I was driving. I checked the brakes and found that the return strings on one of the rear caliper was seized up making the brake bind. I freed this with a little WD 40 but the light did not go out. Its on all of the time while driving now.
I filled up the brake fluid reservoir but that did not correct it. I thought it might be worn pads so replaced all 4 of them but light is still on.
I had already checked the brake light switch by both disconnecting it and also by shorting the connections across therefore I do not think it is that.
Does anyone have any ideas ?
Could there also be an adjustment on the hand break that would put the light on?
Many thanks for your help.
Hi. Traditionally its brake fluid level.

The STOP message should indicate the cars network is seeing a fault..getting the fault codes read would be an obvious next step.

How low was the brake fluid..?

Charlie
Oxford
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Old 30-01-2018   #3
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Re: Hand brake warning light on 2004 Fiat Ulysse JTD

Hi Oxford

Thanks for the reply. The brake fluid was not that low and when I changed the brake pads I had to be careful about it overflowing.
I did think about the codes and have bought an OBD2 reader but it does not seem to fit on the Fiat connector so i'm wondering if there is a different connector for that car.
I had also wondered about the sensors on the wheels; someone suggested one could be faulty.
Thanks
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Old 30-01-2018   #4
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Re: Hand brake warning light on 2004 Fiat Ulysse JTD

One other thing, i cleaned the filter in the reservoir as someone said it might not let the fluid through if it was stopped up but it was as clean as a whistle. I am also worried about a stuck float in the reservoir. Could there be a problem with that. The problem is that it is so difficult to get to. I cannot get the connection off.
Thanks
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Old 31-01-2018   #5
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Quote Originally Posted by normanwatts View Post
One other thing, i cleaned the filter in the reservoir as someone said it might not let the fluid through if it was stopped up but it was as clean as a whistle. I am also worried about a stuck float in the reservoir. Could there be a problem with that. The problem is that it is so difficult to get to. I cannot get the connection off.
Thanks
Hi.
OBD is a standard.. they should all fit..

Its a bit odd.. but reading the error would still be my next course of action.
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Old 31-01-2018   #6
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Re: Hand brake warning light on 2004 Fiat Ulysse JTD

Thanks Varesecrazy!
I have checked the codes and none show up so have drawn a blank on that one. Any further ideas?
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Old 31-01-2018   #7
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Quote Originally Posted by normanwatts View Post
Thanks Varesecrazy!
I have checked the codes and none show up so have drawn a blank on that one. Any further ideas?
Engine code reader..?

Or something capable of checking function of body related items.?

You can normally test function of overtemp light-warning. Etc.
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Old 10-02-2018   #8
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Re: Hand brake warning light on 2004 Fiat Ulysse JTD

Stating the obvious I know - but you mention checking the brake light switch, have you checked the handbrake warning switch. That brings up the brake warning and stop light?
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Old 2 Weeks Ago   #9
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Re: Hand brake warning light on 2004 Fiat Ulysse JTD

Hi Deldan
Sorry I have not responded before but all of a sudden the fault went away (several months ago) but in the last day or two has come back. I did check the handbrake switch and shorted it across to that a connection was made as well as taking the connections off to open circuit it but neither of these worked. The problem now seems to be that it is intermittent. It is on when I get into the car even though I park it without the handbrake on then sometimes after I've driven for a while the light goes off. When I pull the handbrake on it goes on again and switches off when I put it off. But when I park it again it comes on again until I've driven it. The message definitely says Handbrake on and it beeps at me. Any ideas please anyone? is there a relay that might stick?
Many thanks
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Old 2 Weeks Ago   #10
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Re: Hand brake warning light on 2004 Fiat Ulysse JTD

Hi anyone!
I have now checked things like the brake fluid level, the rear brake lights, any error codes which are all okay and still the handbrake warning light keeps beeping at me. Although when I have driven a few miles (seems to vary) it goes off. I note that when I switch the engine off and restart it the light stays off even when I lock the car and come back to it. Although I have not been on a long drive it does not seem to come on again after driving until I leave it overnight.
Does anyone have any ideas what is happening and the cure for it? It is very frustrating and I am worried it might fail the MOT.
Thanks
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Old 2 Weeks Ago   #11
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Re: Hand brake warning light on 2004 Fiat Ulysse JTD

Just one more thing that I saw on this excellent website! Does anyone think that it might be down to the thickness of the brake discs? I notices that they are getting a little thin when I replaced the pads a while ago. It was just that someone mentioned this might be possible. I am reluctant to replace them unless this is the problem as the vehicle is so old. Having said that I would rather have good brakes.
Thank you.
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