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Error C1621 and F8EB - Resolved as Dead Battery
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Author Post
calderscot   
Thu Apr 03 2014, 07:20pm
Member No: #29187
Joined: Feb 02 2013
Location: scotland
 C4 Picasso 2.0 diesel 2008 50,000mls

Yesterday jumped in the car, ignition on, but the suspension pump did not come on.

Bleeping noise and suspension error showing on dash. Ride height was good, new airbags fitted last year.

Urgent journey so I used the car and returned home, error still on.

I have diagnostics, so checked and found C1621 and F8EB.

C1621 is compressor relay fault, although I have read there is in fact no relay.
F8EB is a power supply fault to the instruments.

Cleared the faults and restarted, suspension fault gone, all ok.

Opened the car this morning and heared a loud bleeping noise, even with no key in the switch.

Key turned on and the dash display went crazy, all manner of symbols showing.

I dreaded the ecu gone, then calmed down and thought, the battery is original
not as easy as some cars to access, but there's a good chance this is the problem.

Battery out and tested, bingo, dead flat.

That's what's caused yesterday's error too.

New battery fitted, problem solved.

Hope this will help someone else with the same or similar fault.
1 User said Thank You to calderscot for this Post :
 Dave_Retired. (04 Apr 2014 : 09:10)
riven1962   
Fri Apr 04 2014, 06:29am
Member No: #18905
Joined: Mar 23 2011
Location: Widnes, Cheshire
 As soon as I started to read this I thought, battery. A dead battery on these cars seem to throw up all sorts of errors. Glad you got it sorted.
Dave_Retired.   
Fri Apr 04 2014, 09:11am

Member No: #1
Joined: Aug 07 2006
Location: Northumberland
 Thanks for sharing it, my response would have been the same as riven1962, battery u/s
1 User said Thank You to Dave_Retired. for this Post :
 polo963 (08 Oct 2016 : 14:01)
 

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