C4 - Technical

1,249 topics in this forum

1. Courtesy mirror lights bulb change

   By bimmer49, November 15, 2022
   • 2 replies
   • 216 views
   • 
   • paul.h
   • November 23, 2022

3. Various electrical issues - starter relay faulty 1 2

   By bimmer49, July 20, 2022
   • 29 replies
   • 2.3k views
   • 
   • paul.h
   • November 8, 2022

4. 2014 C4 1.6 Ehdi Selection Alternator - Tensioner Recall

   By sleepy0905, October 27, 2016
   • 2 replies
   • 4.7k views
   • 
   • paul.h
   • April 16, 2018

5. C4 Lack Of Power - Battery Fuse Box Fault

   By paul.h, April 27, 2017
   • 3 replies
   • 4.9k views
   • 
   • Rookie2
   • April 29, 2017

6. How To Replace Key Fob Case?

   By arak81, May 11, 2016
   • 3 replies
   • 5.1k views
   • 
   • arak81
   • May 16, 2016

7. How To... Fit New Headlamp Bulbs

   By Mike5483, September 2, 2006   

   • c4 headlamp
   • c4 head lamp
   • (and 1 more)

     Tagged with:

     • c4 headlamp
     • c4 head lamp
     • c4 light bulb
   • 19 replies
   • 39k views
   • 
   • arak81
   • January 14, 2016

8. How To... Fit A Xenon Conversion Kit

   By Welshguy, December 11, 2006
   • 18 replies
   • 17.1k views
   • 
   • Johndouglas
   • June 20, 2014

9. New C4 Rear Brake Pad Clean Or Replacement

   By paul.h, May 18, 2014
   • 0 replies
   • 10.7k views
   • 
   • paul.h
   • May 18, 2014

10. New C4 Front Brake Pad Clean Or Replacement

    By paul.h, May 16, 2014
    • 0 replies
    • 6k views
    • 
    • paul.h
    • May 16, 2014

11. Diagnostic Socket Location - 2010 On C4

    By paul.h, May 2, 2014
    • 0 replies
    • 5.5k views
    • 
    • paul.h
    • May 2, 2014

12. Common Problems (Rev 12/9/2021)

    By paul.h, May 15, 2013
    • 0 replies
    • 14.3k views
    • 
    • paul.h
    • May 15, 2013

13. The switch operating both windows and mirrors on my C4 2014 picasso appears not to be working so I thought I'd check the fuses first.

    By Edward Kulikowski, February 23
    • 6 replies
    • 59 views
    • 
    • paul.h
    • February 27

14. Key fob

    By johnkarl, February 3
    • 0 replies
    • 36 views
    • 
    • johnkarl
    • February 3

15. rear foglamp telltale

    By glennh, February 1
    • 2 replies
    • 39 views
    • 
    • glennh
    • February 2

16. Headlights staying on

    By This girl can, January 25
    • 1 reply
    • 39 views
    • 
    • paul.h
    • January 28

17. C1391

    By Jimmy, February 9, 2023
    • 3 replies
    • 1.3k views
    • 
    • paul.h
    • January 22

18. Help needed

    By Jayzee787, January 17
    • 1 reply
    • 64 views
    • 
    • paul.h
    • January 18

19. Wing mirrors not folding in every time when locking

    By Haffy, December 24, 2023
    • 1 reply
    • 90 views
    • 
    • paul.h
    • December 26, 2023

20. Citroen c4 grand picasso engine fault

    By Ryan hall, December 13, 2023
    • 1 reply
    • 115 views
    • 
    • paul.h
    • December 13, 2023

21. Tailgate problems - c4 grand picasso

    By DanishCarowner, December 4, 2023
    • 2 replies
    • 210 views
    • 
    • DanishCarowner
    • December 5, 2023

22. C4 Grand Picasso 2007 - water inside headlamp cover

    By TonyZ, December 1, 2023
    • 0 replies
    • 63 views
    • 
    • TonyZ
    • December 1, 2023

23. Engine fault code meanings

    By Samcooper12, November 28, 2023
    • 1 reply
    • 92 views
    • 
    • paul.h
    • November 29, 2023

24. F29 fuse location

    By IngemarA, November 11, 2023
    • 1 reply
    • 93 views
    • 
    • paul.h
    • November 13, 2023

25. Sue

    By mickeysue, November 3, 2023
    • 1 reply
    • 60 views
    • 
    • paul.h
    • November 3, 2023

26. 2011 Grand Picasso 1.6 Diesel, heater fan is always on

    By RogerCC, October 6, 2023
    • 2 replies
    • 124 views
    • 
    • RogerCC
    • October 16, 2023