Citroen DS3 ecu not communicating

2014 Citroen DS3 Problem

Ref#21143
CarCitroen DS3 155 THP
Year2014
Owneryianni
Posted07/10/2018
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HI, I went to the Citroen dealer to get a second key and they could not connect their computer with my ecu to programme the key. I was told that it might be a lose wire. I am thinking of sending my ecu to be repaired by ecotechnologies as on their web site they say that can repair them. My ecu is a Bosch 0261 S07 698 MED 17.4.2. does anybody have any other ideas? I have tried to find a second hand but that has been a success. If it is not exactly the same I will have to change keys and then pair it up to the BSI from what I understand.
Problem Category
Electrics, ECU, Warnings & Lights


Solution 1
1/4drive | Auto Insider | Since: Jun 2011 | Posts: 25 | Fixes: 1847 | View Garage
Suggested Solution

Cars running?
then the ECU's fine,
Citroen is most likely right and it's a wiring fault.
Get an auto spark in to look at it,


Posted on Monday 8th of October 2018
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Solution 2
whittingehame | Legend | Since: Oct 2009 | Posts: 444 | Fixes: 11829 | View Garage
Suggested Solution

Why not let them fix it ? their " spark " may have came across it before and be wise on the problem .


Posted on Monday 8th of October 2018
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Solution 3
paulieone | Driver | Since: Aug 2009 | Posts: 4 | Fixes: 1619 | View Garage
Suggested Solution

Keys are learnt via the BSi not engine ECU


Posted on Friday 12th of October 2018
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Similar Problem Suggestion
Cmg | Driver | Since: Oct 2018 | Posts: 0 | Fixes: 5 | View Garage
Suggested Solution

Have you had a look at this similar problem:

This message was auto-generated based on a user suggestion.


Posted on Saturday 13th of October 2018
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