CITROEN announced a problem with the C4 affecting a total of 28,049 vehicles.
It has been identified that the operation of the ABS/ESP braking unit may be affected by the ingress of water. Vehicles built from 6/2/2005 to 9/26/2006 are at risk.
The following remedial action is necessary to address this problem. Recall likely to be affected vehicles to reinforce the resistance of the ABS/ESP unit to water.
If you think that your vehicle may be affected by this recall you should
find your nearest CITROEN dealer
who will be able to confirm whether or not your car is safe and arrange its free repair if necessary.
Source: UK Government's Vehicle and Operator Services Agency (VOSA).