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Rear Suspension Pneumatic Air-Damper Removal - HELP!!!
On the air bag the hose is connected into a small round fitting which the hose just pushes into, to release it push the end of the fitting inwards while pulling the pipe out, if you're replacing the a...
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Posted by trev h on 03 April 2019

EPB dying? Clunking noise and now ESP/ASR + Faulty Hand brake warnings
Do you know anyone with Lexia/Diagbox? It should tell you exactly what the problem is and you can also use it to recalibrate the handbrake. Where did the noise come from? A visual inspection might tur...
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Posted by TriumphGuy on 05 March 2020

C4 Picasso 2007 - Windscreen wipers
Check the condition of the wiper blades. They might be past their best. Have you tried to operate the wiper motor with the wiper arm removed or the wiper arm lifed off the windscreen? It is a 16mm nut...
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Posted by TriumphGuy on 05 March 2020

C4 Picasso 2007 - Windscreen wipers
TriumphGuy wrote ...

Have you tried to operate the wiper motor with the wiper arm removed or the wiper arm lifted off the windscreen?


Don't think you can do this, as, from memory, the arms foul the ed...
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Posted by routemaster1 on 05 March 2020

C4 Grand Picasso electrical "fun"
What are you using to read the fault codes? Lexia/Diagbox is the best one to use and is a LOT cheaper than the professional scan tools such as the Snap On Verus/Solus.
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Posted by TriumphGuy on 06 March 2020

C4 Picasso 2007 - Windscreen wipers
Try removing the wiper arms, starting the engine and operating the wipers a few times, move the wiper stalk to the off position (try not to activate the auto wipe), turn the engine off, lock the car a...
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Posted by TriumphGuy on 06 March 2020

C4 Picasso ECU/ABS/CANBus fault
The worst that's likely to happen from disconnecting the battery is the clock may need re-setting and the digital speedo default to Km/h.
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Posted by BigJohnD on 27 February 2020

C4 Picasso ECU/ABS/CANBus fault
I've posted this question on the French Car Forum and the Citroen Picasso Club forum and somebody suggested using a cheap code reader so I've ordered one on Amazon. I'll try it on my C4GP as I still g...
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Posted by TriumphGuy on 27 February 2020

C4 Picasso ECU/ABS/CANBus fault
I've just found this video on YouTube:
- Click Here -
It has given me some more pointers on how to check the CAN high & CAN low pins on the OBD2 connector. I might do some measurements on my own C...
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Posted by TriumphGuy on 25 February 2020

Diagnostic Code P0561 on Citroen C4 Grand Picasso 1.6HDi
The fault turned out to be a corroded orange wire from F6 above the battery to pin 3 of the 28 way connector on the gearbox ECU. The corroded wire was in the loom behind the battery and appeared to be...
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Posted by acland on 23 January 2016

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