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View Full Version : Brake TC light coming on (only under sudden application)



Nomad9
30th July 2014, 09:06 PM
Hi People,
The other night I found a thread about the brakes on a P38 now I can't find it again, I even downloaded the article about replacing the accumulator.

The brake motor doesn't come on for long when the ignition is started, what I would regard as normal. I left the vehicle in the shed for a couple of weeks a few weeks ago and the reservoir back filled, I suspect that this is a different issue to the flashing lights issue, this is just information, just in case they are connected. Since starting to use the old girl again everything is normal.

My issue is when I apply the brakes a little bit more urgently than normal two lights flash up on the dash and then go off again, one is the TC light the other is the red one next to it.

The brakes work fine, no loss of fluid and under normal progressive braking no lights. Even if I apply the brakes slowly at the beginning and then stand on them later, no lights.

My other P38 did this so I'm starting to think this is "normal", go on shatter my illusion. The brake pedal is firm, brakes don't pull, pads aren't worn.

Any ideas?

benji
30th July 2014, 09:15 PM
My understanding is of both the lights come on then is a pressure issue. I'll have to double check though. Is yours gems or bosch?

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Nomad9
30th July 2014, 11:19 PM
Hi Benji,
1996 Gems, 4.6 HSE

benji
31st July 2014, 05:44 PM
Rave says the red light indicates low pressure. So your charge ball may be charging up quickly enough but it might not be holding a lot of charge.
How many brake applications do you get between the brake charge motor coming on?

The etc light is supposed to indicate etc activation or a fault. But if it were a fault I imagine it should stay on.

Sent from my GT-I9305T using AULRO mobile app

justinc
31st July 2014, 06:39 PM
No doubt you probably require a new accumulator.

Jc

Scouse
31st July 2014, 07:11 PM
No doubt you probably require a new accumulator.

Jc2nd that. One of my cars was doing the same when I bought it. The accumulator should be considered a service item - they usually last 4-5 years.

Nomad9
31st July 2014, 08:03 PM
Hi Scouse,
Four to five years, right then I would say that I'm up for an accumulator, I sort of thought I would be just wanted to confirm things.

Nomad9
31st July 2014, 08:04 PM
Hi Benji,
Couple of good points, thank you.