Citroen c2

[Juliano_1989]

Will get that for you.. thanks could it be the abs pump wiring ???

[wheeler]

Could be the ABS ecu too but really need to check the power supplies & earths first.

[Juliano_1989]

VF7**************[VIN obfuscated, can be read by forum staff] is the vin bud

[Juliano_1989]

VF7**************[VIN obfuscated, can be read by forum staff]
MHFX
C9746
6831

[Juliano_1989]

Can you see that or not bud ??

[Juliano_1989]

Here

[wheeler]

Yeah, got it. Will try get a diagram just now

[wheeler]

OK so you want to be checking the ABS ECU connector for Battery voltage at pins 1, 14 & 20 when the ignition is switched on. Check that pin 26 has a good earth, (ideally load test the wire)

[Juliano_1989]

Just pin 26 as a load test ???
Also is the abs ecu attached to the abs pump ?? Thanks so much for your help

[ozvtr]

Airbag light is still on?
What other faults are on your scanner? Any disappeared? You had a lot before.
In the first place did all the faults appear at once? Or one at a time over some period?
If you still have all these faults I would look at a systemic problem or a common problem.
Done any modifications to the car? New radio?
Or is it just the ABS that is a remaining fault?

[ozvtr]

Done a BSI reset after installation of the new battery?

[Juliano_1989]

Hi yes all the faults are still present and yes all came on at once... and no the cars my fathers he's never touched it in terms of modifications 100 percent stock.... how do you bsi reset ?? What is this for

[Juliano_1989]

Hi yes all the faults are still present and yes all came on at once... and no the cars my fathers he's never touched it in terms of modifications 100 percent stock.... how do you bsi reset ?? What is this for

[Juliano_1989]

Bsi rest made no difference

[ozvtr]

the car runs and drives fine.

OK ,now that the battery has been eliminated as a suspect, we can move on. However you have not said if the battery was bad, or you just replaced it on spec. Unfortunately that fact may have a bearing on the fault finding.

I have broken down the error codes into 3 groups. 1) the bull$#!7 group. 2) The group we should ignore. 3) Plausible faults.

Remember, Juliano says the car is running 'fine'.

Group number 1) P1693 Fault with the BSI. Doesn't tell us anything! Could be anything!
P0352 and P0351. Fault with both coil circuits? Petrol car won't run very well without the coil pack.
P0201. P0202. P0203. P0204. Faults with all 4 injectors? Again, the car won't run well without the injectors!
Yes, the injectors and coil pack are supplied from the same power line and fuse. BUT...again..."car runs and drives fine".

P2101 throttle motor circuit. Again, car running fine!
I suspect these were caused by a battery fault, but that's just a hunch...I have no proof as I do not know if the battery was bad or not.

Group number 2) Redundant brake signal circuit. The brake switch has 2 sets of contacts. Primary and redundant. The primary circuit switches the brake lights on and off. Easy to tell if that's not working. Redundant circuit, this tells the rest of the car that the brakes have been activated. Used by the cruise control, engine ECU and the auto box. You did not say if the car was a manual or auto. Not really that important but could be annoying. If the car is an auto, from time to time you might not be able to get the shifter out of park!
A very Common fault. Just replace the brake switch.

P0485 Cooling fan fault. The radiator fan can be run from relays or have an electronic controller. The fan reports back to the engine ECU. Unless you have air conditioning the fan doesn't do a lot. Obviously the engine hasn't over heated, or you would have told us. Right? Shouldn't really ignore this one but it doesn't seem to be a priority. But I would advise looking in to it one day. Might be a B/S fault as it's associated with the engine ECU.

Group number 3) U0415 no speed information. This one is your main problem. It causes no speed display and also causes one of the other faults, the airbag fault. The airbag ECU needs the cars' speed.

The ABS ESC and hydraulic block are on the near side front. In front of the wheel. Remove the road wheel and the wheel arch liner. The common fault is corrosion of the electrical contacts in the ECU connector. There is usually a glob of grease inside the connector but salty water gets through the protective boot over the connector and gets into the contacts.
This is not the only potential fault but the most common.
I don't think that all of these fault's came on at once. I think most were "hiding" in the background until you were alerted by the ABS fault.
Have you cleared the faults and looked to see what comes back?