1.1 Desire has ABS Fault

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My Name: tony1964

Member
Posts: 4
Joined: Mon Sep 30, 2013 6:56 pm
Model: C3 2002-2005, Original shape model
Year: 2005 (05)
Engine Size: 1.1
Fuel Type: Petrol
Mileage: 71000
Trim Level: Desire
Gearbox: Manual 5 speed
DPF: No

Post

Have a problem with my C3, I had the front n/s wheel bearing changed and since then I have had the ABS light on.
I have run Lexia on it and it says a permanent fault, I have checked the wiring and all appears ok, including a new sensor.
When running the diagnostics it would appear that it couldn't read the ABS ecu. As I have limited knowledge of using Lexia
I'm not sure exactly it should be doing.
One thing I did see is that the offending side shows a wheel speed of 655kph in the parameters.
Not sure if this means anything but when the engine is started and the ABS comes on it beeps three times.
Hope someone can point me in the right direction.
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My Name: Arfur Dent

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Model: C3 2002-2005, Original shape model
Year: 2002 (52)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 100000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
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Welcome to the C3 owners forum tony1964,
Hope someone can point me in the right direction.
I would go straight back to the wheel that had the new bearing.

The ABS wiring has been damaged, maybe you can't see it, or maybe its the ABS sensor or ABS ring, but concentrate in that front n/s wheel.

The ABS sensor and wiring would have been disturbed while the wheel bearing is being replaced and it is no coincidence that you now have an ABS fault on lexia showing:
that the offending side shows a wheel speed of 655kph in the parameters.
A sure sign of some damaged sensor/wiring

You can see the ABS Sensor for your C3 from Euro Car Parts (here) which would be a good guess. If its not that, check the wiring further up the circuit.


Have a look at how much wiring get disturbed when work is done on the hub.
ABS Sensor wiring on the front wheel of a Citroen C3
ABS Sensor wiring on the front wheel of a Citroen C3
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My Name: jbz2079

Experienced Member
Posts: 51
Joined: Wed May 15, 2013 3:35 pm
Model: C3 2009-2013, New shape (A51)
Year: 2011 (11)
Engine Size: 1.6
Fuel Type: Diesel
Mileage: 75000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: Yes
LHD or RHD: RHD (UK)
Engine name: BlueHDi (100 PS)

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Would simply unplugging the ABS sensor with the battery still connected Flag up a fault on the ABS.
Just saying cause I know someone brought their Peugeot 307 into a garage I frequent to have the ABS reset after changng a wheel bearing.
The guy who runs the place said, they never learn, all the have to do is disconnect the battery and leave it disconected till everything is finnished and re-connected and the ECU won't know the sensor has been disconnected.

He showed me on the Lexia the fault code and it even logged the exact time the plug was removed, causing the fault to be logged.
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My Name: Arfur Dent

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Posts: 3303
Joined: Sat Jul 23, 2011 3:47 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (52)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 100000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
Has thanked: 258 times
Been thanked: 111 times

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Would simply unplugging the ABS sensor with the battery still connected Flag up a fault on the ABS.
I imagine it would, it does with other sensors on the C3, so I don't see any reason why the ABS sensors are not monitored too.

Anyone want to give it a go to confirm? :lol:
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My Name: jbz2079

Experienced Member
Posts: 51
Joined: Wed May 15, 2013 3:35 pm
Model: C3 2009-2013, New shape (A51)
Year: 2011 (11)
Engine Size: 1.6
Fuel Type: Diesel
Mileage: 75000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: Yes
LHD or RHD: RHD (UK)
Engine name: BlueHDi (100 PS)

Post

Anyone want to give it a go to confirm?

No thanks, apparently C3's flash up enough faults without inducing them.
My 1.4Hdi came up with Emmission Control Fault a few times one day then decided it didn't, never seen it since either.
But I'll bet it's still logged in there somewhere!

It's only when you see what is monitered and read by the car through Lexia that you begin to realize that the simple small car is no longer just that.
My Name: tony1964

Member
Posts: 4
Joined: Mon Sep 30, 2013 6:56 pm
Model: C3 2002-2005, Original shape model
Year: 2005 (05)
Engine Size: 1.1
Fuel Type: Petrol
Mileage: 71000
Trim Level: Desire
Gearbox: Manual 5 speed
DPF: No

Post

Thanks for your replies to my question, I will check the wiring further up and rule that out for good.
Then I will have to think about sourcing a recon ABS ECU, more expense.
One thing though I took out the sensor from the good side and that never caused a problem?
Any more ideas would be a get help, especially how to use the Lexia programme.
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