Citroen C4 Cactus reliability

Affected vehicles may face an error in the Battery Monitoring Unit software.

Fix: Update the Battery Monitoring Unit software.

Recalled models: C4 · 1,182 vehicles

Affected vehicles may have been equipped with an Autonomous Telematic Box (ATB) which does not work.

Fix: Change the ATB.

Recalled models: C4 · 1 vehicles

Affected vehicles may experience an autonomous telematic box that cannot connect to the remote server making it not possible to make calls or use other connected services.

Fix: Disconnect the 12V battery and reconnect it after 15 seconds then check for a trouble code.

Recalled models: C4 · 2 vehicles

Affected vehicles may not comply with test requirements in the matter of emissions test execution by competent authorities and energy consumption may be too high.

Fix: Update the electrical Vehicle Control Unit (eVCU) software.

Recalled models: C4 · 29 vehicles

On affected vehicles the Engine Control Unit (ECU) software is not according to specification.

Fix: Upload modified software to the ECU.

Recalled models: C4 · 256 vehicles

On affected vehicles the Advanced Driver Assistance System (ADAS) functionality may not meet regulatory requirements and the Active Emergency Brake (AEB) and Lane Keep Assist (LKA) can inadvertently be deactivated by a long press of the ADAS button on the radio.

Fix: On the affected vehicles the radio software will be updated by an Over-The-Air update which will be remotely checked as successfully installed.

Recalled models: C4 · 619 vehicles

On affected vehicles the Driver and Passenger front airbags may not deploy properly in the event of a collision

Fix: On affected vehicles the Driver and Passenger front air bags will be replaced

Recalled models: C4 · 36,685 vehicles

On affected vehicles below 12500 miles under certain conditions engine emissions may lead to a non-compliance to regulatory requirements.

Fix: Check the mileage of the vehicle and update the ECU (Engine Control Unit) calibration on vehicles below 12500 miles.

Recalled models: C4 · 150 vehicles

On affected vehicles the AC compressor stator wiring could develop a fault leading to current loss inside the AC compressor that could result in a vehicle powertrain shutdown when driving.

Fix: Reprogram the Powertrain Diagnosis ECU with updated software.

Recalled models: C4 · 6,867 vehicles

There is an error in the software calibration of the traction battery control unit which could result in a loss of propulsion when driving.

Fix: Update the software of the traction battery control unit.

Recalled models: C4 ELECTRIC · 1,254 vehicles

On the affected vehicles the operation of the brake vacuum pump may be affected by material detaching from the timing belt caused by the ageing of the engine oil.

Fix: To rectify this issue a software update will be downloaded which will improve the vacuum diagnosis (in order to warn earlier about the risk of loss or reduction of braking assistance).

Recalled models: C4 V2 · 13,740 vehicles

On the affected vehicles the operation of the brake vacuum pump may be affected by material detaching from the timing belt caused by the ageing of the engine oil.

Fix: To rectify this issue a software update will be downloaded which will improve the vacuum diagnosis (in order to warn earlier about the risk of loss or reduction of braking assistance). The timing belt will be checked and if needed replaced with other components of the braking assistance system and the vacuum pump.

Recalled models: C4 PICASSO · 652 vehicles

The rear hub bearing locating bolts may be incorrectly tightened.

Fix: Check the torque of the rear hub bolts and replace the hub(s) and the bolts if necessary

Recalled models: C4 · 1 vehicles

The High Voltage Harness might not be to the correct specification.

Fix: Check the harness conformity and replace it if necessary.

Recalled models: C4 V3 · 11 vehicles

When the outside temperature is below 3�C there is loss of the front windscreen wiper function when the vehicle stops at 0 mph.

Fix: Downloading a new version of BSI software

Recalled models: C4 V3 · 748 vehicles

There may be an incorrect tightening torque application on the rear wheel hub.

Fix: Check the rear wheel bearing hub screws and if necessary replace the screws on both sides of the vehicle.

Recalled models: C4 V3 · 1 vehicles

The operation of the brake vacuum pump may be affected due to material detaching from the timing belt.

Fix: Check and if necessary replace the timing belt and other components of the braking assistance system including the vacuum pump. Additionally alter servicing schedules depending on usage.

Recalled models: C4 V2 · 3,101 vehicles

On affected vehicles the wheel bolts may have an incomplete thread.

Fix: Check and if necessary replace the wheel bolts.

Recalled models: C4 V3 · 7 vehicles

The brake vacuum pump may be affected by material detaching from the timing belt.

Fix: Update detection software inspect and if necessary replace vacuum pump and timing belt.

Recalled models: C4 V2 · 21,226 vehicles

The filtering performance of the Diesel Particle Filter (DPF) may not meet the required specification.

Fix: Replace the DPF on affected vehicles.

Recalled models: C4 PICASSO · 432 vehicles

Front air bag igniters may not deploy correctly.

Fix: Check and if necessary replace the affected front airbags.

Recalled models: C4 · 1,080 vehicles

The vehicles may be affected by a defect in the urea injector which might block and lead to NOx emissions going out of the regulatory limits.

Fix: Updating the ECU software to avoid the gradual blocking of the urea injector

Recalled models: C4 SPACETOURER · 1,689 vehicles

The fitting of the rear left brake pipe may not be correct to specification

Fix: Check the correct fitting of the left hand brake pipe adjust or replace the pipe as necessary

Recalled models: C4 CACTUS · 3 vehicles

The calibration of the engine management software could result in emissions of NOx which do not comply with the regulatory limits.

Fix: Download new engine management software

Recalled models: C4 PICASSO · 5,290 vehicles

A plastic component inside the exhaust line could under certain circumstances damage the diesel particle filter.

Fix: Check and if necessary replace the particle filter.

Recalled models: C4 CACTUS · 148 vehicles

The battery charge program may not be correct to specification.

Fix: Updating the Stop Start function management software.

Recalled models: C4 AIRCROSS · 2 vehicles

Ancillaries drive belt tensioner mounting may not be correct to specification.

Fix: Check and if necessary replace the ancillaries drive belt tensioner.

Recalled models: C4 AIRCROSS · 9 vehicles

On the affected vehicles the tightening of a sealing plug on the engine oil gallery may not be correct to specification.This could lead over time to an oil leak which in rare cases could result in oil leaking on to the road.

Fix: The remedy consists of tightening the engine oil gallery sealing plug to the correct torque.

Recalled models: C4 SPACETOURER · 37 vehicles

Engine could overheat leading to failure in extreme cases

Fix: Download new engine management software

Recalled models: C4 · 138 vehicles

On the affected vehicles an internal component within the airbag triggering ECU may have been damaged which could lead to non deployment. There are no early warning signs or symptoms for the customer to indicate if the ECU is incorrect.

Fix: The manufacturer has no simple method to check the internal component. Therefore all ECU's in affected vehicles to be changed as a precaution.

Recalled models: C4 PICASSO (B78) · 110 vehicles

The engine electronic cooling management control strategy and the maximum temperature alert threshold could cause the engine to overheat. This could result in a warning light and a message being displayed on the instrument panel.

Fix: On affected vehicles download a new engine management software in order to modify the cooling management parameters to improve the control of the engine operating temperature.

Recalled models: C4 PICASSO · 2,098 vehicles

An engine component may not be to specification which could result in loss of engine performance. This may lead to the engine stalling and potentially causing an engine failure. In very unlikely circumstances the vehicle speed may increase without warning but will stop on its own after a few seconds.

Fix: On affected vehicles carry out a functional diagnostic check of the engine. If necessary replace the engine.

Recalled models: C4 PICASSO · 75 vehicles

The bonnet inner skin may not be adequately retained. This may cause the bonnet to vibrate or distort. In extreme cases the skin could detach.

Fix: On affected vehicles apply additional adhesive between the bonnet skin and its inner panel.

Recalled models: C4 PICASSO · 6,848 vehicles

A nonconformity of the windscreen wiper motor breather system could in some cases result in the entry of water and complete jamming of the motor due to internal corrosion.

Fix: On affected vehicles replace the wiper motor.

Recalled models: C4 · 11 vehicles

Non-conformity of a tailgate strut internal component may allow corrosion to develop. This may cause the strut to fail and the tailgate may not be held open.

Fix: On affected vehicles replace the struts.

Recalled models: C4 · 11 vehicles

The striker wire on the bonnet lining may not have sufficient support to prove it with the security for its intended purpose. This can lead to incorrect locking of the bonnet over time and could result in an unintentional release of the bonnet.

Fix: On affected vehicles inspect and if requiredfit an additional strengthener to retain the striker cable on the inner panel of the bonnet. In some cases it may be necessary to replace the bonnet.

Recalled models: C4 CACTUS · 16,984 vehicles

The positioning of the starter supply terminal may be incorrect. This may allow it to foul other components and cause a short circuit.

Fix: On affected vehicles check the positioning of the terminaL. Correct it if necessary and add additional protection.

Recalled models: C4 PICASSO · 9 vehicles

The positioning of the starter motor supply terminal may not conform to specification. Contact with a neighbouring component could cause a short circuit.

Fix: On affected vehicles check the position of the terminal and where necessary reposition. Replace damaged components if necessary.

Recalled models: C4 · 2,014 vehicles

On the affected vehicles the bonding of the front bumper trim may not conform to specification. Over time the bonding may allow the trim to detach

Fix: Check the bonding of the front bumper lower trim and rectify or replace it if necessary

Recalled models: C4 CACTUS · 331 vehicles

Due to a non conformity in production an engine fuel pie protective sleeve could cause wear due to contact with surrounding components.This may cause a fuel leak

Fix: On affected vehicles reposition the fuel pipe protective sleeve or replace the pipe if wear is noted.

Recalled models: C4 CACTUS · 8 vehicles

A possible nonconformity of an internal component of the starter motor relay could affect the control of the starter motor. This could adversely affect the starting operation and damage the starter motor due to overheating and in extreme cases there is a risk of fire.

Fix: On affected vehicles check and where necessary replace the starter motor relay.

Recalled models: C4 PICASSO · 3,607 vehicles

A component in the gearbox actuator may not be to the correct specification which may affect gear selection.

Fix: On affected vehicles replace the gearbox actuator

Recalled models: C4 CACTUS · 16 vehicles

It has been identified that the striker wire on the bonnet lining may not have sufficient support to prove it with the security for its intended purpose. This can lead to incorrect locking of the bonnet over time and could result in an unintentional release of the bonnet. The driver will received early warning signs or symptoms by the incorrect locking of the bonnet.

Fix: Recall all affected vehicles to inspect and if required an additional strengthener to retain the striker cable on the inner panel of the bonnet. In some cases there maybe a requirement to replace the bonnet.

Recalled models: C4 CACTUS · 11,236 vehicles

It has been identified that the bonnet striker support may corrode. If this corrosion is not treated there is a possibility the bonnet striker support may fail which will allow the bonnet to open whilst the vehicle is in motion. Early warning signs or symptoms of corrosion can be seen by the driver around the bonnet striker support and on the leading edge of the bonnet also the bonnet may not lock correctly.

Fix: Recall affected vehicles to inspect the area around the bonnet striker support and take preventive action to protect the area from corrosion which may include the replacement of the bonnet if required.

Recalled models: C4 · 41,893 vehicles

The front suspension wishbones fixing bolts may not be to the correct specification which could lead to a risk of them breaking. This may affetc the driver's ability to control the vehicle.

Fix: On affected vehicles replace the wishbone fixing bolts.

Recalled models: C4 PICASSO · 2,662 vehicles

In the event of emergency braking or during an ESP regulation phase (e.g. avoiding manoeuvre) the hydraulic block may not prevent the locking of a wheel which could affect control of the vehicle.

Fix: On affected vehicles replace the braking system hydraulic block

Recalled models: C4 · 787 vehicles

The fuel injectors supply rail could develop a leak over a period of time leading to a drop in fuel pressure in the injector supply rail which can affect the operation of the stop start system. In some extreme cases the engine might not restart and a spray of petrol under the bonnet may occur which is a fire risk.

Fix: Recall the vehicles that are likely to be affected and check the fuel injector supply rail. Where necessary replace the fuel injector supply rail.

Recalled models: C4 · 3 vehicles

A manufacturing defect in one of the components of the door locks could cause jamming of the internal mechanism and prevent the closing of one or more of the vehicle's doors. In rare cases the door could unlock and open unexpectedly.

Fix: On affected vehicles check and where necessary replace door locks.

Recalled models: C4 PICASSO · 919 vehicles

The seat belt buckle fitted to the second row rear seat/s may have been damaged during the production process at the supplier. In the event of an impact the seat belt buckle strap could fail and not restrain the occupant correctly.

Fix: Recall the vehicles that are likely to be affected to check the batch numbers and where necessary replace the seat belt buckle.

Recalled models: C4 PICASSO · 2,238 vehicles

A manufacturing defect in one of the components of the door locks could cause jamming of the internal mechanism and prevent the closing of one or more of the vehicle's doors. In rare cases the door could unlock and open unexpectedly.

Fix: On affected vehicles check and where necessary replace door locks.

Recalled models: C4 PICASSO · 1,292 vehicles

A manufacturing defect in one of the components of the door locks could cause jamming of the internal mechanism and prevent the closing of one or more of the vehicle's doors. In rare cases the door could unlock and open unexpectedly.

Fix: On affected vehicles check and where necessary replace door locks.

Recalled models: C4 PICASSO · 1,914 vehicles

An oil leak could develop at the turbocharger lubrication union retaining bolt due to a non-conformity of this part.

Fix: On affected vehicles replace the turbocharger lubrication union bolt and its seals.

Recalled models: C4 · 17 vehicles

The tightening torque for the front and rear right hand seat belt lower mountings may not be correct to specification. This could lead to the mountings detaching and in a collision additional injury to the driver.

Fix: Recall the vehicles that are likely to be affected and rectify the tightening torques for the front and rear right hand seat belt lower mountings.

Recalled models: C4 · 30 vehicles

A manufacturing defect of a component within any of the four door locks could result in jamming of the internal mechanism which prevents the closing of any of the vehicle's doors or risk unexpected unlocking and opening of the doors.

Fix: Recall the vehicles that are likely to be affected to check and where necessary replace the affected door locks.

Recalled models: C4 PICASSO · 1,939 vehicles

The fuel filter's integrated heater may be defective and could cause the cover to distort. This could cause air ingress and fuel egress. Either could cause poor starting and a warning light should illuminate

Fix: On affected vehicles replace fuel heater cover. Check and if necessary replace connector.

Recalled models: C4 PICASSO · 9,483 vehicles

The fixing bolts of the front suspension wishbones may not be to the correct specification. This could lead to the bolts failing and the security of the wishbones being compromised. If this occurs there is a possibility that the directional control of the vehicle could be adversely affected.

Fix: Recall the vehicle that are likely to be affected and replace all the fixing bolts of the front suspension wishbones.

Recalled models: C4 PICASSO · 23,035 vehicles

It has been identified that the reverse gear locking collar on the gear lever may not have been manufacturered to specification. This could result the incorret selection of gears.

Fix: Recall all affected vehicles to replace the locking collar.

Recalled models: C4 PICASSO · 52 vehicles

It has been established that the high pressure fuel rail pipes on the engine have not been torqued to the correct specification. This can result in poor sealing of the rail which can cause as fuel leak onto the engine. If the vaporised fuel comes into contact with a hot engine component there can be a risk of an engine bay fire.

Fix: Recall all the affected vehicles and retorque the high pressure fuel rail pipes.

Recalled models: C4 PICASSO · 279 vehicles

It has been establish that a build up of deposits within the engine can result in engine running and starting issues. In extreme circumstances it can cause a sudden engine stall without any warning.

Fix: Recall all affected vehicle and install a new software package in the engine management system.

Recalled models: C4 · 2 vehicles

The rear brake caliper mounting bolts may not be to the required torque. Therefore the bolts may slacken and cause noise.

Fix: Recall the vehicles are likely to be affected to replace the rear caliper mounting bolts and ensure they are correctly torqued.

Recalled models: C4 · 3 vehicles

The torque settings of the fixings of the front suspension fuel tank fuel cooler and the rear wheels have been set incorrectly. Consequences of the incorrect torque settings include abnormal noise and poor operation of the vehicle.

Fix: Retighten to the correct torque value the front suspension fixings fuel tank fixings fuel cooler fixing and rear wheel bolts.

Recalled models: C4 · 8 vehicles

The starter motor wiring harness may be subject to long term wear due to rubbing. This can cause electrical problems or in the worst case a fire.

Fix: Recall the vehicles that are likely to be affected to add further protection to the starter motor wiring harness.

Recalled models: C4 PICASSO · 9,848 vehicles

The front suspension lower arms may not be fully secure as the mounting bolts may not have been tightened correctly. The driver will initially be alerted to there being a concern because of the abnormal noise that will develop. If the noise is ignored over a long period it is possible the suspension lower arms may detach.

Fix: Recall the vehicles that are likely to be affected to replace the suspension bolts and tighten them to the correct torque.

Recalled models: C4 · 6 vehicles

The supply terminal to the engine relay unit may have been over tightened and over time this could damage the component and cause the engine to cut out. In addition this could cause the diagnostic warning lamp to illuminate in error and it may make it more difficult to start the engine.

Fix: Recall the vehicles that are likely to be affected to check and if necessary replace the engine relay unit.

Recalled models: C4 · 78 vehicles

The fixing bolts of the front LH and RH seat belt return rail may loosen and in cases of extreme force break.

Fix: The bolts on the left and right- hand sides will be replaced.

Recalled models: C4 · 88 vehicles

The stroke of the brake pedal which could affect the slowing down of the vehicle may be in excess of manufacturer's recommendations due to the brake bleeding operation not being fully performed.

Fix: Recall the vehicles that are likely to be affected to ensure the brakes have been fully bled and that brake travel is within manufacturer's recommendation.

Recalled models: C4 · 15 vehicles

The nuts that secure the pedal mounting assembly may be the wrong specification. This could allow the nuts to work loose. If this happens control of the vehicle could be effected.

Fix: Recall all affected vehicles and replace the nuts.

Recalled models: C4 · 2 vehicles

It has been identified that due to a nonconformity in one of the operating cables of the Electric Parking Brake (FSE) it is possible that insufficient application (force) will be applied. This could result in only one wheel operating or locked. The driver however will receive warning of the issue by the illumination of the Parking Brake Warning Lamp on the instrument panel along with a message on the multifuction screen.

Fix: Recall all affected vehicles for inspection repair or if required the replacement of the cable.

Recalled models: C4 PICASSO · 8,230 vehicles

The wiring loom to the tailgate may have been routed incorrectly. This could cause damage to the wiring and amongst other things the boot to open inadvertently.

Fix: Recall the vehicles that are likely to be affected to check and if necessary replace the tailgate wiring harness.

Recalled models: C4 · 10,844 vehicles

Gear selection may be affected by inaccurate software being installed.

Fix: The recalled vehicles will be subject to a software upgrade.

Recalled models: C4 · 5 vehicles

It is possible that the fuel return pipe may chaff on the diesel fuel filter support in the engine compartment. This can if not identified result in a fuel leak.

Fix: Recall all affected vehicles for the addition of a protective sleeve to the return pipe.

Recalled models: C4 · 33 vehicles

In very rare circumstances the vacuum pump one way valve may not function correctly which could affect the level of braking assistance.

Fix: Recall the vehicles that are likely to be affected to replace the brake vacuum pump one way valve.

Recalled models: C4 · 20,089 vehicles

The front seat belts may not lock in the buckles correctly which will have the affect of the front passengers not being sufficiently restrained in the case of a violent impact.

Fix: Recall the vehicles that are likely to be affected to check and where necessary repair the seat belt locking mechanism.

Recalled models: C4 PICASSO · 134 vehicles

An internal component of the Brake Master Cylinder may not be in conformity and as such braking performance/efficiency may be affected

Fix: Recall affected vehicles and replace Master Cylinder

Recalled models: C4 · 56 vehicles

An incorrect engine relay unit may have been fitted. This ECU could deteriorate and cause operating faults and perhaps failure of certain equipment

Fix: Recall affected vehicles check Engine Relay Unit and replace if not correct specification.

Recalled models: C4 PICASSO · 6,031 vehicles

It has been identified that due to a production non conformity in one of the electric parking brake cables the brake may not hold the vehicle securely on a steep gradient when the parking brake is applied. This will be accompanied by the illumination of the warning lamp and a message saying parking brake faulty on the multifunction screen.

Fix: Recalled vehicle swill have the conformity of the cables checked and replaced as necessary.

Recalled models: C4 PICASSO · 9,398 vehicles

The front brake caliper fixing screws are not to standard (non - conforming) and may slacken

Fix: Recall affected vehicles and replace fixing screws with approved type.

Recalled models: C4 PICASSO · 143 vehicles

It has been identified that in the event of incorrect bonding there is a risk of the partial release of the glass panoramic roof moulding such that it becomes visible to the driver. If the concern is not rectified in the long term; the moulding could detach. It should be noted that there is no risk to the integrity of the sealing of the affected area.

Fix: Recalled vehicles will have the bonding of the moulding checked and replaced as necessary.

Recalled models: C4 PICASSO · 367 vehicles

It has been identified that the check valve within the brake assistance vacuum pump may suffer from a non-conformity which in time may reduce the braking assistance.

Fix: Recalled vehicles as a preventative measure will have the subject valve replaced. At the same time certain vehicles will also have the air dosing unit replaced.

Recalled models: C4 PICASSO · 307 vehicles

The brake pedal might feel stiff and the braking distances extended as a result of a defect in the vacuum pump.

Fix: Recall the vehicles that are likely to be affected to replace the valve in the vacuum pump.

Recalled models: C4 · 2,557 vehicles

It has been identified that vehicles fitted with 2I HDI engines may have been fitted a vacuum pump which may not be to specification. This could lead to a decrease in braking assistance.

Fix: Recalled vehicles will have the vacuum pump replaced.

Recalled models: C4 · 520 vehicles

It has been identified that the operation of the ABS/ESP braking unit may be affected by the ingress of water.

Fix: Recall likely to be affected vehicles to reinforce the resistance of the ABS/ESP unit to water.

Recalled models: C4 · 28,049 vehicles

It has been identified that on some vehicles fitted with electrically controlled seats in very rare cases and under certain impact conditions the front seatbelt may provide a diminished level of restraint.

Fix: As a preventative measure subject vehicles will have the front seatbelt buckles replaced.

Recalled models: C4 PICASSO · 101 vehicles

It has been identified that the front air bag ECU may not take full account of frontal impacts that are below the legal threshold for triggering deployment.

Fix: Recalled vehicles will have the air bag ECU re-programmed.

Recalled models: C4 · 25,083 vehicles

There is a possibility that a seepage of brake fluid may occur at the union between the rear flexi hose and the metal brake pipes. This would eventually lead to the illumination of the low fluid warning lamp which if left would result in longer brake pedal travel and reduced effectiveness of the brakes.

Fix: Recall the vehicles that likely to be affected and check for seepage of brake fluid. If the brake fluid seepage is apparent the flexible brake hose and the associated metal brake pipes will be replaced.

Recalled models: C4 · 6,906 vehicles

This concern relates to right hand drive vehicles only. There may cases of the brake linkage lever being defectively assembled which may result in a loss of braking efficiency.

Fix: Recall the vehicles that are likely to be affected check and where necessary reposition the brake pedal relay linkage lever.

Recalled models: C4 · 6,772 vehicles

Repeated ingress of saline water into the connections to the Electronic Control Unit for the Anti- Lock Braking system may eventually result in a short circuit that could cause a fire in the engine compartment.

Fix: Recall the vehicles that are likely to be affected to check the ABS block and strengthen the sealing of the electrical connections.

Recalled models: C4 · 12,220 vehicles

The diesel fuel return pipe of the injection system for 1.6 HDI ( DV6) engines carries the risk that over time seeping of fuel may occur due to nonconformity in manufacture.

Fix: Recalled vehicles will have the return pipe replaced with a quality assured item.

Recalled models: C4 · 1,286 vehicles