Common C4 Picasso Fault Codes P0483. P0234. P0409. P0490. P0948. P0335. P0104. P0449. P0440. P0430. P0421. U2003. U0415. P0488. P0410. P0420. P0442. P0868. P0949. P1351. P1462. P1336. P1166. P1394. P1434. P1694. P1718. P1726. P1340. P0192. P0406. U1213. U1218. U1208.
Jul 21, 2016 ยท emissions- related codes tend to lock out cruise control and ABS/ ESP on many vehicles. Certainly a recurrent injector code would point to an injector (or the wiring to it) but with all the other codes I'd be wanting to check all the main supply and ground points were nice and clean & tight first. The first one P1445 is odd considering the mileage.OBD2 Code P0401 Citroen definition: EGR stands for Exhaust Gas Recirculation. It is part of the vehicle emmissions system, and is used to reduce combustion temperature and pressure to control Oxides of Nitrogen. There are generally three parts to the EGR system: the EGR valve, an actuator solenoid, and a differential pressure sensor EGR (DPFE).
Jan 3, 2017 ยท The largest English language online Citroen C4 and DS4 Owners Help and Support site incorporating C4owners.co.uk C4owners.com C4GP.org and DS4owners.org Citroen C4 and DS4 Online Support with user help forums, FAQ's and Technical guides
Some faults are known or already corrected: State of the ECU: HDI_SID803A. " P0401 : air circuit fault". relates to blocked EGR valve. State of the ECU: BSM. "F998 : Fault: headlamp washer relay control". was blown fuse, probably will remove it anyway to save on unnecessary spilling of washing fluid. After diagnosing with my generic testing equipment I got the errors P1434 and P1435 (mulitplexed pump fault). With some searching I found the correct replacement part (part number 9817154080 in my case), bought it and filled it up with the correct eolys fluid. Changing the parts didn't fix anything yet thought, so I had to order a Citroen