Citroen C4 recalls

Affected vehicles may have been assembled with contact or with a reduced clearance between the Gasoline Particulate Filter pipe and the pole protection cap of the 48V Belt Starter Generator. There is a possibility of contact between these components leading to water infiltration and an electrical arch which could trigger a thermal event.

Fix: Replace the pole protection cap of the 48V Belt Starter Generator. Check the distance between the Gasoline Particulate Filter pipe and the pole protection cap of the 48V Belt Starter Generator and re‑position or replace the pipe if required.

937 vehicles · built 4 Oct 2023 to 12 Jan 2026

Vehicles may be affected by incorrect performance of the On-Board-Diagnostics related to Selective Catalytic Reduction system and/or Diesel Particle Filter. The Malfunction Indicator Light (MIL) may not illuminate in the event of a malfunction and therefore does not comply with emission regulations.

Fix: Update the Engine Control Unit software to ensure compliance to regulations.

15 vehicles · built 12 Dec 2017 to 28 Nov 2020

On affected vehicles the Takata airbag inflators may deteriorate over time. This may cause some inflators to rupture with too much force in a crash capable of causing serious injury or death in a worst-case scenario.

Fix: Replace Driver Airbag module. You are advised not to drive the vehicle.

6,153 vehicles · built 2 Feb 2010 to 10 Sep 2013

On affected vehicles there there may be loose connections between a high-pressure fuel pipe and the engine fuel rail which potentially could lead to a leak and risk of fire.

Fix: Retighten the affected connections.

539 vehicles · built 4 Oct 2023 to 23 Apr 2025

Vehicles may be affected by premature wearing of the camshaft drive chain leading to abnormal noise or to a breakage of the chain in the worst case.

Fix: Update the software to improve oil pressure and reduce wear. Check the engine noise and replace the chain if required. If no problem found change the oil to one with higher viscosity and special anti-wear additives.

6,026 vehicles · built 25 Jan 2018 to 27 Jun 2022

On affected vehicles the Electronic Brake System Module is not according to specification which could potentially lead to light internal leakage of brake fluid.

Fix: Replace the Electronic Brake System Module.

2 vehicles · built 29 May 2024 to 5 Jun 2024

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

Fix: Update the Battery Monitoring Unit software.

1,182 vehicles · built 3 May 2022 to 15 Mar 2023

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

Fix: Change the ATB.

1 vehicle · built 27 Jun 2024 to 9 Sep 2024

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.

2 vehicles · built 5 Mar 2024 to 26 Jun 2024

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.

29 vehicles · built 7 Jul 2023 to 13 Feb 2024

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

Fix: Upload modified software to the ECU.

256 vehicles · built 20 Jul 2022 to 9 Oct 2023

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.

619 vehicles · built 1 Feb 2024 to 21 May 2024

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

17,614 vehicles · built 2 Feb 2010 to 20 May 2018

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.

150 vehicles · built 4 Jan 2022 to 24 Nov 2022

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.

6,867 vehicles · built 26 May 2020 to 17 Nov 2022

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

1 vehicle · built 17 Nov 2021 to 17 Nov 2021

Front air bag igniters may not deploy correctly.

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

1,080 vehicles · built 2 Sep 2009 to 12 Apr 2017

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

5,290 vehicles · built 25 Sep 2013 to 15 May 2016

Engine could overheat leading to failure in extreme cases

Fix: Download new engine management software

138 vehicles · built 3 Mar 2016 to 8 Mar 2018

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.

2,098 vehicles · built 17 Jul 2014 to 30 Apr 2015

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.

75 vehicles · built 1 Oct 2017 to 30 Nov 2017

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.

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.

11 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.

2,014 vehicles · built 15 May 2013 to 2 Apr 2017

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.

41,893 vehicles · built 19 Nov 2009 to 27 May 2016

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

787 vehicles · built 1 Apr 2016 to 21 Apr 2016

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.

3 vehicles · built 15 May 2014 to 23 May 2014

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.

17 vehicles · built 25 Jan 2016 to 15 Feb 2016

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.

30 vehicles · built 13 Jul 2015 to 14 Jul 2015

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.

9,483 vehicles · built 1 Sep 2012 to 2 Jan 2014

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.

279 vehicles · built 7 Jan 2014 to 15 Jan 2014

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.

2 vehicles · built 30 Nov 2011 to 30 Nov 2011

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.

3 vehicles · built 3 Oct 2012 to 3 Oct 2012

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.

8 vehicles · built 26 Jul 2012 to 26 Jul 2012

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.

6 vehicles · built 6 Feb 2012 to 8 Feb 2012

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.

78 vehicles · built 13 Oct 2011 to 15 Nov 2011

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.

88 vehicles · built 22 Nov 2011 to 22 Nov 2011

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.

15 vehicles · built 27 Oct 2011 to 27 Oct 2011

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.

• C4: 2 vehicles · built 1 Oct 2011 to 1 Oct 2011
• C4: 2 vehicles · built 3 Oct 2011 to 3 Oct 2011

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.

10,844 vehicles · built 29 May 2004 to 21 Jul 2006