r50 mini one not starting but turning over, door lock mechanism - MINI Cooper Forum

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post #1 of 8 (permalink) Old Aug 3rd, 2014, 04:41 PM Thread Starter
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DIY r50 mini one not starting but turning over, door lock mechanism

Hi,

thanks for taking the time to read this.
i bought my fiancee a 2001/51 mini one as a wedding present (the wedding is in three weeks)
the car has been fine until going to my mechanic to have the drivers door lock replaced as it would only open manually and not via the remote (it would lock though)
To cut a long story short he changed the door lock mechanism and now it will only turn over and not fire (possibly EWS module?) as if its immobilized. The engine management light is also not displaying at all (it did before)
He has found some error codes on the ecu (i don't know codes but basically the ecu is receiving but not sending signals) and has asked me to send it off to be fully tested and rebuilt if necessary (250 cost to me) as he thinks this is the problem. I am guessing he has checked fuses and also tried bump starting as this would be obvious but cant ask him because he is on holiday for a week.
Should i blame him for the starting problems as they weren't present before? Also will the rebuilt/tested ecu fix the problem as i don't think it will. Anyone experience similar issues when changing door lock mechanism?
I am starting to panic as my fiancee's family know i have the car for her. Should i put it into the local stealership if ecu rebuild doesn't fix it knowing a potential massive bill may come my way?
Many thanks in advance.
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post #2 of 8 (permalink) Old Aug 3rd, 2014, 05:46 PM
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If you give your approx. location we may be able to recommend an independant MINI specialist local to you which will be much cheaper for diagnostics than a Main Dealer for an older 2001 Mini. Main Dealers always tend to present older car owners with a huge bill or a long list of 'terminal' faults in the hope that you will buy a newer car from them!
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post #3 of 8 (permalink) Old Aug 3rd, 2014, 07:24 PM Thread Starter
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My location is Taunton,Somerset, UK
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post #4 of 8 (permalink) Old Aug 3rd, 2014, 11:25 PM
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Not a personal recommendation but this independent may be worth a try for a second opinion, as about 40 minutes from you?

We are the leading BMW & MINI specialists in the South West and a “one-stop-shop” for all things BMW.
Independent BMW specialist and BMW MINI specialist

"We use state of the art “Autologic” diagnostic computers to find the most elusive of faults on your BMW or MINI."
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post #5 of 8 (permalink) Old Aug 3rd, 2014, 11:37 PM
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Changing the door lock mechanism shouldn't really affect any thing else but one way to test to see if that is the problem would be to remove the door panel & disconnect the electrics to the lock mechanism (just a small electrical plug) & then try to start it. Did he fit a new one or a 2nd hand one & did he fit it correctly. The only thing I can think of why the lock mechanism would affect it is if the car thinks it is locked & the immobiliser is activated. Got to be worth a try before spending more money. Not so long ago someone was on here after they had a new lock mechanism & the windows kept going down which was due to the mechanic fitting it wrongly where the door lock goes into the actuator, maybe you have a similar problem
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post #6 of 8 (permalink) Old Aug 6th, 2014, 08:47 PM Thread Starter
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Received refurbed ecu which is due to be fitted tomorrow. The company that refurbed it has said they have done a non-standard repair on it and can't guarantee it will work. I will update post tomorrow and have everything crossed they have solved the problem.
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post #7 of 8 (permalink) Old Aug 6th, 2014, 08:50 PM Thread Starter
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In reply to heathwebbo, the mini has security that won't even turn the engine over if the car is immobilised/thinks it's locked. It's a secondary measure to stop people hot wiring the car.
Thank you everyone who has posted
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post #8 of 8 (permalink) Old Aug 8th, 2014, 12:50 PM Thread Starter
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She's alive!!!!!! door lock working and car now starting and running. I used ecutesting.co.uk who refurbed the ECU with a lifetime warranty. Apparently the fault was due to a communication error in the ECU and nothing to do with the door lock replacement. I'm the happiest mini owner in the world and hoping my fiancee will be pleased with her wedding gift. Thanks peeps.

Last edited by Option69; Aug 8th, 2014 at 07:03 PM. Reason: poor grammer
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