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indy4x
Member Since: 24 Nov 2017
Location: Pontypool
Posts: 193
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EPB fault and Display/Radio at same time |
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I've searched the forum as I'm sure I've seen a post with this problem but cant remember the fix
Symptoms. Shortly after starting the D3 and pulling away I get a parking brake failure message on the dash flash up, this then goes and the 4x4 Info screen appears to reboot itself along with the radio then the EPB error flashes up followed by the 4x4 Info screen and radio rebooting. This happens a few times and then all is normal.
If I leave the D3 for a short while say less than 30mins I can start a new journey and all is well however leave it for a few hours and then use it the symptoms return.
So whats changed
Dec 23rd: Fitted air compressor overhaul kit and 2 new rear air suspension units
Dec 24th: Fitted new alternator as old one was overcharging
Battery is probably 3 years old, IID is showing a voltage of 13.8V while driving and while parked up voltage is around 12.6V IIRC after 8 hrs of standing idle (will double check standing voltage as I'm doing it from memory)
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7th Jan 2019 9:59 pm |
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Globetrotter448
Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1805
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Do you use the EPB, if so can you hear it operating on and also when going off. If so, EPB is possibly okay. It seems it may be a connector problem or the good old brake switch. Check your stop lights and see that both work okay.
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8th Jan 2019 5:43 am |
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indy4x
Member Since: 24 Nov 2017
Location: Pontypool
Posts: 193
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Bit more investigation
Read the fault codes this morning and had more than I expected, 2 that stood out were
Parking Brake
C1A00-17 (A8) Control module - General electrical failure - circuit voltage above threshold
( on 14-08-2017 23:26:09 at 152972 km )
Transfer Case
P0563-00 (2C) System voltage high
( on 13-08-2017 22:51:47 at 152954 km )
Might suggest a voltage spike after standing
There was also
Body Control
B1B55-1C (6C) Rain sensor module - General electrical failure - circuit voltage out of range
( on 16-08-2017 05:58:33 at 153000 km )
B1D06-15 (28) Left turn signal circuit - General electrical failure - circuit short to battery or open
( on 14-08-2017 00:36:28 at 152960 km )
B1D07-15 (28) Right turn signal circuit - General electrical failure - circuit short to battery or open
( on 14-08-2017 00:36:28 at 152960 km )
B1D08-15 (28) Left trailer turn signal circuit - General electrical failure - circuit short to battery or open
( on 14-08-2017 00:36:28 at 152960 km )
B1D12-15 (2E) Volumetric alarm power circuit - General electrical failure - circuit short to battery or open
( on 13-08-2017 04:41:23 at 152920 km )
So this morning I plugged in the IID tool and monitored the voltages while driving to work. It didn't go above 15V and I didn't get the issue
Cleared faults before setting off and they haven't returned either
Will do the same on the way home tonight
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8th Jan 2019 1:45 pm |
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Globetrotter448
Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1805
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Might be a loose or dirty battery terminal
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8th Jan 2019 9:55 pm |
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indy4x
Member Since: 24 Nov 2017
Location: Pontypool
Posts: 193
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Strangely that has been bugging me tonight, I disconnected the earth when changing the alternator back on the 26th and now I'm doubting myself as to whether I tightened it up
Fault has not occurred today, had IID plugged in and monitored live values and it behaved itself
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9th Jan 2019 12:34 am |
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Globetrotter448
Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1805
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check both terminals
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9th Jan 2019 2:01 am |
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indy4x
Member Since: 24 Nov 2017
Location: Pontypool
Posts: 193
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Result, I now know what the problem is
Its the alternator, seems to be temperature related as it happened again this morning, this time with the IID plugged in. External temp was about 2C.
Thinking back previous mornings when it has happened were all below 4C
Seeing voltage surges to 16V on IID live data but only during the 1st 5mins of driving
And did a Google search on this very topic and found a thread from a few years back on this forum with the very same symptoms but they were seeing nearly 17V
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11th Jan 2019 12:11 am |
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indy4x
Member Since: 24 Nov 2017
Location: Pontypool
Posts: 193
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Alternator was returned and refund obtained. MF weren't too happy as they wanted me to have a replacement but insisted on a refund.
Ordered a new Denso from Advanced Factors and fitted and we are back in business
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20th Jan 2019 12:22 am |
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L319
Member Since: 14 Dec 2013
Location: Herefordshire
Posts: 2081
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indy4x wrote:Result, I now know what the problem is
Its the alternator, seems to be temperature related as it happened again this morning, this time with the IID plugged in. External temp was about 2C.
Thinking back previous mornings when it has happened were all below 4C
Seeing voltage surges to 16V on IID live data but only during the 1st 5mins of driving
And did a Google search on this very topic and found a thread from a few years back on this forum with the very same symptoms but they were seeing nearly 17V
I am having a similar problem , radio & sat nav. switching off & on , at lower ambient temperatures , with the voltage surging between about 11.5 and 16V , for about first 30 secs, to a min. . I am just using a cheap plug in meter, wondering if the same problem. New LR Recon alternator fitted about 2 years ago.
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20th Jan 2019 12:30 am |
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Baz2236
Member Since: 07 Apr 2014
Location: Ely, Cambridgeshire
Posts: 402
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Hi sorry to bring up an old thread.
I am having the same issue with over volt reported on parking brake.
Totally randomly driving along I lose the sound on radio and a flash of epb amber fault light.
Read the codes and I get voltage above threshold. www.pcsupportservicez.co.uk
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4th Dec 2021 10:12 pm |
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