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seriesonenut



Member Since: 19 Nov 2014
Location: Essex
Posts: 1211
United Kingdom 
warning lights after MOT
Hi
Wonder if you can offer any advice please on a couple of faults after my MOT today. Passed with no advisories but on the way home two warning lights came on, the first being the traction control light and the other the engine management light. The Defender (2010 tdci 2.4 xs usw) ran fine apart from the lights.

A mate with a reader found the following

PWM signal failure from engine ECU & P2136-64 Throttle body position sensor switch A/B voltage.

The only other thing which was done today was a brake fluid bleed and change before the MOT.

A run round the block tonight has seen the TC warning light go out as normal on start up but the EM light is still on.

Any suggestions please?

Thanks 2010 XS USW
1957 Series One 88 diesel
1958 Series One 88 4x2
Post #785288 6th Aug 2019 8:01pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8021
 2011 Defender 110 Puma 2.4 USW Stornoway Grey
Check the multi plug on top of the engine Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #785302 6th Aug 2019 8:12pm
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seriesonenut



Member Since: 19 Nov 2014
Location: Essex
Posts: 1211
United Kingdom 
Hi
just wondering by chance if there anyone is in the near CM9 area with an obd code reader who might be able to re set my Engine management warning light?

Booked into the garage next week but I am wondering if my wire waggling (which seems to have put out the TC light) might have resolved the situation.Need to confirm via a reset

Cheeers 2010 XS USW
1957 Series One 88 diesel
1958 Series One 88 4x2
Post #785761 8th Aug 2019 6:59pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20347
United Kingdom 
They may possibly have been checking wiring is secure, and in the process disturbed some if there was a loose connnetciin or plug somewhere.
I would check those like mentioned above, and similar. $W33T $0U7H3RN $UG4R
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Post #785765 8th Aug 2019 7:16pm
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seriesonenut



Member Since: 19 Nov 2014
Location: Essex
Posts: 1211
United Kingdom 
Yes that's might thought too. I think I need a reset even if I have 'fixed'the wiring connector. 2010 XS USW
1957 Series One 88 diesel
1958 Series One 88 4x2
Post #785774 8th Aug 2019 8:13pm
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