Need help solving C3 hazard switch & central lock function

Questions not related to the fuel type, like Manual Gearbox, Body Work, Lights, Interior trim and Seats, Steering, Brakes, Beeping, Wheels and Tyres to be asked in this topic only.

Audio has its own section - see further down the page.

Please provide as much information as you think may be relevant like recent work on the car and you can attach photographs directly to your topic using the form below the text box.
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My Name: C3driver52

Guru
Posts: 1975
Joined: Sat Apr 30, 2011 7:40 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (03)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 79984
Trim Level: VTR+
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: TU3 (75 PS)
Has thanked: 134 times
Been thanked: 71 times

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citron wrote:Hi everyone.

Missing Lincs, your "stab in the dark" proved to be absolutely fantastic guess. I have removed audio control unit near steering wheel and it cured the problem. Now both buttons hazard and salon central locking works absolutely flawlessly at any time.

The culprit is in the picture ;) .

So now I need to source similar unit and that set!

Thanks to everyone for help and contribution! :D

Regards.
Great news on finding the problem.

You can't (I couldn't) find one separately, I purchased a used complete unit to rob for parts :)
My Name: Missing Lincs

Moderator
Posts: 844
Joined: Mon Mar 05, 2012 9:29 pm
Model: C3 2002-2005, Original shape model
Year: 2004 (04)
Engine Size: 1.1
Fuel Type: Petrol
Trim Level: Desire
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: TU3 (75 PS)
Location: United Kingdom
Has thanked: 46 times
Been thanked: 35 times

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citron wrote:Missing Lincs, your "stab in the dark" proved to be absolutely fantastic guess. I have removed audio control unit near steering wheel and it cured the problem. Now both buttons hazard and salon central locking works absolutely flawlessly at any time.
Nice to be able to help. It's one of those things with fault finding, if nothing appears to be wrong with the part that isn't working, look either side, above and below. Your error code gave me the clue.
If at first you don't succeed, destroy all the evidence and pretend you never tried :lol:
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