Personally, my advice is to take the car elsewhere if that's the kind of advice you're getting. Just came back from Citroen they say they are 99% certain it's the clutch and flywheel. The reports says there is 5 errors 1 is p1739 I did check the report forgot to get it, i did see clutch slipping on one of the errors. Local garage found fault 0926-gear box fault the gear does not engage Citroen garage found code P0925 gearbox fault gear not engaged. They reset the gearbox programming ECU. They did a roadtest but no fault - fault tends to happen after the engine has warmed up although now happens soon after starting. Citroen C4 Picasso gearbox fault, and no power on the OBD port Fault finding and repair. My 2016 GP has developed the following problem. Everything ok for first mile or so then manual gear selection with paddles will not work and cannot select manual with lever it stays in auto. After about another 10 miles display pops up "Gear Box Fault etc". Local dealer has diagnosed and says requires new " Actuator 9802017380" at £1000 plus !!! . Visited Marsh Citroen yesterday was loaned a Xsara Picasso diesel which was just an old runabout but I had a Exclusive model previous to the C4 so not a problem and it was better than shanks pony ! Our car was tested for 9 miles by Dave and we then drove the 40 odd miles home NO PROBLEMS it seems to be cured but will keep everyone informed. Citroen C4 Picasso 2008 Engine ABS ESP EPB Gearbox faults Fault finding and repair. LM Auto Repairs 94.6K subscribers Subscribe Subscribed 1.9K 406K views 5 years ago Consider to Wed Jan 30 2013, 04:41am. Member No: #82. Joined: Jan 22 2007. Location: Hoylake. U1109: CAN data bus, transmission control system - no communication, invalid or missing data. However, I suggest you find a garage with Citroën's diagnostic equipment - it's possible your local garage was unable to read the fault code. The car drives ok although the gearbox is a bit weird. (never had a PSA car before so I can't tell what is normal or not) U1108 : Fault in communication on the CAN with the engine management ECU : No signal. U1308 : Fault in the gearbox electrical control on the CAN network : Incorrect value received. U1209 : Intersystems CAN : One of the An update on the gearbox fault. I took the car to Citroen Birmingham and they diagnosed a problem with the "electro pump". It had ceased and was blowing the fusebox. The hose pipe connected to the pump had bursted too. The irony is that my independent warranty company (Click4Warranty) 5-star, does not cover that part - very upset.

citroen c4 grand picasso gearbox fault