Fitting a Towbar - is Lexia needed to program the new feature?

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My Name: Tommydoh

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I have a 2011 Citroen C3 picasso and have bought a towbar for it,
a friend is fitting the towbar next week and i am doing the wiring,
i also have a Lexia/pp2000 unit/lead and software.
My question is: Do i need to use the Lexia to tell the car it now has a towbar fitted, (have heard this)
if so, how? i haven't used the unit or software before, i have had it a few years now.
any help would be appreciated, hints, tips, timesaving shortcuts etc...

regards

Tommy
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My Name: C3CAR

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Fuel Type: Diesel
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Trim Level: Exclusive
Gearbox: Manual 5 speed
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Tommydoh wrote: Thu May 26, 2022 10:30 pm I have a 2011 Citroen C3 picasso and have bought a towbar for it,
a friend is fitting the towbar next week and i am doing the wiring,
i also have a Lexia/pp2000 unit/lead and software.
My question is: Do i need to use the Lexia to tell the car it now has a towbar fitted, (have heard this)
if so, how? i haven't used the unit or software before, i have had it a few years now.
any help would be appreciated, hints, tips, timesaving shortcuts etc...

regards

Tommy


Hi

There are at least 3 different types of tow bar socket and there is a quite probably a dedicated wiring kit for the C3 Picasso tow bar.

Your question will depend entirely on how you wire the socket to the car and if official Citroen or at least a Citroen compatible interface is fitted.

You need to know what and how you are fitting the electrics before you know if the ECU/BSI will need programming to enable the new socket.
My Name: Tommydoh

Contributor
Posts: 8
Joined: Fri Jan 24, 2020 10:42 pm
Model: C3 Picasso
Year: 2011 (11)
Engine Size: 1.6 (16v)
Fuel Type: Diesel
Mileage: 135000
Trim Level: Exclusive Plus
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Has thanked: 2 times
Been thanked: 2 times

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Thanks, i will post the details of the electrics kit tomorrow when i dig it out.

regards
My Name: Tommydoh

Contributor
Posts: 8
Joined: Fri Jan 24, 2020 10:42 pm
Model: C3 Picasso
Year: 2011 (11)
Engine Size: 1.6 (16v)
Fuel Type: Diesel
Mileage: 135000
Trim Level: Exclusive Plus
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Has thanked: 2 times
Been thanked: 2 times

Post

C3CAR wrote: Fri May 27, 2022 12:33 pm
Tommydoh wrote: Thu May 26, 2022 10:30 pm I have a 2011 Citroen C3 picasso and have bought a towbar for it,
a friend is fitting the towbar next week and i am doing the wiring,
i also have a Lexia/pp2000 unit/lead and software.
My question is: Do i need to use the Lexia to tell the car it now has a towbar fitted, (have heard this)
if so, how? i haven't used the unit or software before, i have had it a few years now.
any help would be appreciated, hints, tips, timesaving shortcuts etc...

regards

Tommy


Hi

There are at least 3 different types of tow bar socket and there is a quite probably a dedicated wiring kit for the C3 Picasso tow bar.

Your question will depend entirely on how you wire the socket to the car and if official Citroen or at least a Citroen compatible interface is fitted.

You need to know what and how you are fitting the electrics before you know if the ECU/BSI will need programming to enable the new socket.
The electrics say its a "Right connections LED, CFC TRAILER MODULE E27" if that helps.

thanks
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My Name: C3CAR

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Joined: Wed May 04, 2011 10:01 am
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 140000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
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Tommydoh wrote: Sun May 29, 2022 7:22 pm The electrics say its a "Right connections LED, CFC TRAILER MODULE E27" if that helps.
Hi

It doesn't mean very much at all.

LED is the technology of the lighting, E27 is a European directive.

I don't know what the CFC bit is, but it doesn't look like a citroen part number.
My Name: Tommydoh

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Posts: 8
Joined: Fri Jan 24, 2020 10:42 pm
Model: C3 Picasso
Year: 2011 (11)
Engine Size: 1.6 (16v)
Fuel Type: Diesel
Mileage: 135000
Trim Level: Exclusive Plus
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
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The towbar is a TP1
Electrics are Part number 19500558
towbar was from Tow-trust towbars uk.
both official Citroen parts.
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Hi

The instructions for 19500558 state you need to program the ECU for the additional features listed in the picture below.


Citroen C3 Picasso tow bar ECU programming
Citroen C3 Picasso tow bar ECU programming
Citroen_C3_picasso_tow_bar_instructions.jpg (24.65 KiB) Viewed 31 times
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My Name: C3CAR

Guru
Posts: 2634
Joined: Wed May 04, 2011 10:01 am
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 140000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
Has thanked: 154 times
Been thanked: 90 times

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Tommydoh wrote: Fri Jun 03, 2022 2:57 pm The towbar is a TP1
Electrics are Part number 19500558
towbar was from Tow-trust towbars uk.
both official Citroen parts.
You can find the PDF install instructions for the C3 Picasso towbar electrical instructions for 19500558 here.
My Name: Tommydoh

Contributor
Posts: 8
Joined: Fri Jan 24, 2020 10:42 pm
Model: C3 Picasso
Year: 2011 (11)
Engine Size: 1.6 (16v)
Fuel Type: Diesel
Mileage: 135000
Trim Level: Exclusive Plus
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Has thanked: 2 times
Been thanked: 2 times

Post

Thanks for that, seeing as though the ECU needs to be reprogrammed by a lexia tester, does that mean i can do it with the kit i have? hence my original Question,
many thanks
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My Name: C3CAR

Guru
Posts: 2634
Joined: Wed May 04, 2011 10:01 am
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 140000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
Has thanked: 154 times
Been thanked: 90 times

Post

Tommydoh wrote: Fri Jun 03, 2022 6:55 pm Thanks for that, seeing as though the ECU needs to be reprogrammed by a lexia tester, does that mean i can do it with the kit i have? hence my original Question,
many thanks
Yes, the instructions are in the image above.
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