KNOWN FAULTS · Citroën
Citroën C5 Aircross (I) Hybrid common problems.
2018–2025 · Plug-in hybrid
Sources are not verified in real time and no entry confirms that your car is affected.
7 known faults with sources
PSA plug-in hybrid battery corrosionHigh-voltage battery
- Engine / equipment
- PSA plug-in hybrids: Peugeot 3008 and 508, Citroën C5 Aircross, DS 7 and Opel Grandland
- Period mentioned
- 2019–2023
- Symptoms
- Usually none. In severe cases, smoke, overheating or a battery fire.
- Possible cause described
- Water can get into the battery compartment and rust its reinforcement until it is perforated. Stellantis ran several recalls: first anti-corrosion treatment and drain holes, then a battery software update and battery replacement if it does not comply.
- Check for the garage
- Confirm by VIN that the battery recalls have been done and look for rust on the battery box.
- Cost cited in the source
- Free under the recallsA rough figure from the original database, not an up-to-date quote.
Sources from the original database
Car-recalls.eu: fire risk in 90,000 Citroën, DS, Opel and Peugeot hybridsClubAlfa: Stellantis replaces plug-in hybrid batteries
View full entryApplies if: Only if fitted with the automatic gearbox described in the record.
EAT6/EAT8 jerking and torque converterAutomatic gearbox
- Engine / equipment
- Aisin EAT6 and EAT8 automatic gearboxes (308, 3008, 5008, 508, 2008, C4 Picasso, C5 Aircross, C4, DS 7, Grandland…)
- Period mentioned
- 2013–2026
- Symptoms
- Hesitation or a jolt between 1st and 2nd, torque converter shudder in traffic, harsh or delayed shifts and a gearbox fault warning, especially on 2017–2019 3008s.
- Possible cause described
- Torque converter wear or drift, valve deposits from degraded oil and software faults. Peugeot treats the oil as lifetime, but dirty or low oil causes harsh shifts.
- Check for the garage
- Check oil level and condition, update the gearbox software at the dealer and, after an oil change, record it with DiagBox and reset the adaptations.
- Cost cited in the source
- Oil change and update: the most common fix; torque converter or valve body: specialist garage repairA rough figure from the original database, not an up-to-date quote.
Sources from the original database
Service4Service: Peugeot EAT6 and EAT8 gearboxesService4Service: Citroën EAT6 and EAT8 gearboxesFrench Car Forum: EAT6 oil and adaptationAutodoc: common Peugeot 3008 problems
View full entryCitroën C5 Aircross (I) Hybrid: known faults of the engine according to L'argusEngine
- Engine / equipment
- Hybrid in the Citroën C5 Aircross (I)
- Period mentioned
- 2018–2025
- Symptoms
- Coolant leak (up to 08/12/2022); Charging cable may get stuck in the socket (up to 31/12/2022); Battery cannot be charged (up to 22/03/2023); Engine warning light on (up to 31/05/2023); Oil leak at the turbo (from 01/09/2022 to 31/05/2023); Will not start; Battery cannot be charged and a warning message appears
- Possible cause described
- According to the brand's technical notes reported by L'argus (each date shows up to when the affected cars were built): 1) Coolant leak (up to 08/12/2022): 4-way valve of the heating circuit replaced. 2) Charging cable may get stuck in the socket (up to 31/12/2022): Reprogramming needed. 3) Battery cannot be charged (up to 22/03/2023): Charging cable, socket or on-board charger replaced. 4) Engine warning light on (up to 31/05/2023): Faulty knock sensor. 5) Oil leak at the turbo (from 01/09/2022 to 31/05/2023): Turbo oil feed pipe seals to be replaced. 6) Will not start: Reprogramming or even gearbox replacement. 7) Battery cannot be charged and a warning message appears: Traction battery to be replaced.
- Check for the garage
- Compare your symptom and your car's build date with this list. If they match, tell the workshop and ask them to check that part first before replacing others. The brand or a warranty extension covers some repairs: ask the dealer with the car's details.
- Cost cited in the source
- No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.
Sources from the original database
View full entryCitroën C5 Aircross (I): known faults of the gearbox and transmission according to L'argusGearbox
- Engine / equipment
- Citroën C5 Aircross (I), all engines
- Period mentioned
- 2018–2025
- Symptoms
- [manual gearbox] Crunch when engaging 4th (from 01/04/2019 to 01/06/2020); [manual gearbox] Hard to engage 5th and 6th on the 1.2 PureTech (up to 03/11/2019); [EAT8 automatic] "Automatic gearbox fault" message; [EAT8 automatic] Jerks when shifting from 1st to 2nd (up to 01/02/2022)
- Possible cause described
- According to the brand's technical notes reported by L'argus (each date shows up to when the affected cars were built): 1) [manual gearbox] Crunch when engaging 4th (from 01/04/2019 to 01/06/2020): 4th gear synchroniser and gear to be replaced. 2) [manual gearbox] Hard to engage 5th and 6th on the 1.2 PureTech (up to 03/11/2019): Synchronisers and gears to be replaced. 3) [EAT8 automatic] "Automatic gearbox fault" message: Gearbox to be replaced. 4) [EAT8 automatic] Jerks when shifting from 1st to 2nd (up to 01/02/2022): Reprogramming.
- Check for the garage
- Compare your symptom and your car's build date with this list. If they match, tell the workshop and ask them to check that part first before replacing others. The brand or a warranty extension covers some repairs: ask the dealer with the car's details.
- Cost cited in the source
- No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.
Sources from the original database
View full entryCitroën C5 Aircross (I): known faults of the chassis, steering and brakes according to L'argusSuspension and steering
- Engine / equipment
- Citroën C5 Aircross (I), all engines
- Period mentioned
- 2018–2025
- Symptoms
- [steering] Excessive steering play (up to 29/10/2019); [steering] Steering wheel vibration above 90 km/h (up to 31/08/2020); [noises] Front axle knocking (up to 14/06/2021); [brakes] "Parking brake fault" message: the electric parking brake does not apply in manual mode (up to 10/01/2022)
- Possible cause described
- According to the brand's technical notes reported by L'argus (each date shows up to when the affected cars were built): 1) [steering] Excessive steering play (up to 29/10/2019): Steering column. 2) [steering] Steering wheel vibration above 90 km/h (up to 31/08/2020): Driveshaft, front hub carriers or suspension arms to be replaced. 3) [noises] Front axle knocking (up to 14/06/2021): Suspension arms to be replaced. 4) [brakes] "Parking brake fault" message: the electric parking brake does not apply in manual mode (up to 10/01/2022): Reprogramming or brake switch replacement.
- Check for the garage
- Compare your symptom and your car's build date with this list. If they match, tell the workshop and ask them to check that part first before replacing others. The brand or a warranty extension covers some repairs: ask the dealer with the car's details.
- Cost cited in the source
- No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.
Sources from the original database
View full entryCitroën C5 Aircross (I): known faults of the electronics and interior according to L'argusElectrical and electronic systems
- Engine / equipment
- Citroën C5 Aircross (I), all engines
- Period mentioned
- 2018–2025
- Symptoms
- [navigation] GPS navigation faults (from 01/01/2019 to 02/04/2023); [airbags] Airbag light on (up to 31/10/2019); [steering lock] Keyless start faults (up to 22/09/2020); [screen] Instrument cluster cuts out with a black screen; [climate control] Cabin blower stops working (up to 16/01/2021); [climate control] Cabin blower noise (up to 15/09/2021); [climate control] Air conditioning no longer cools (from 09/11/2020 to 01/02/2024)
- Possible cause described
- According to the brand's technical notes reported by L'argus (each date shows up to when the affected cars were built): 1) [navigation] GPS navigation faults (from 01/01/2019 to 02/04/2023): Update needed. 2) [airbags] Airbag light on (up to 31/10/2019): Steering wheel to be replaced. 3) [steering lock] Keyless start faults (up to 22/09/2020): Steering lock to be replaced. 4) [screen] Instrument cluster cuts out with a black screen: Screen to be replaced. 5) [climate control] Cabin blower stops working (up to 16/01/2021): Wiring harness to be modified. 6) [climate control] Cabin blower noise (up to 15/09/2021): Clean or replace the blower. 7) [climate control] Air conditioning no longer cools (from 09/11/2020 to 01/02/2024): Compressor to be replaced.
- Check for the garage
- Compare your symptom and your car's build date with this list. If they match, tell the workshop and ask them to check that part first before replacing others. The brand or a warranty extension covers some repairs: ask the dealer with the car's details.
- Cost cited in the source
- No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.
Sources from the original database
View full entryCitroën C5 Aircross (I): known faults of the body according to L'argusBodywork
- Engine / equipment
- Citroën C5 Aircross (I), all engines
- Period mentioned
- 2018–2025
- Symptoms
- [lighting] Water inside the rear lights (up to 01/03/2020); [lighting] Cracked indicator repeaters on the mirrors (up to 09/03/2020); [lighting] Front indicator does not work (up to 30/03/2020); [windows] Door mirror faults (up to 31/08/2023); [doors and openings] Front and/or rear doors will not open (up to 01/08/2022); [doors and openings] Fuel flap locking fault (up to 10/02/2023); [doors and openings] Knock when opening and/or closing the front doors (up to 29/04/2024)
- Possible cause described
- According to the brand's technical notes reported by L'argus (each date shows up to when the affected cars were built): 1) [lighting] Water inside the rear lights (up to 01/03/2020): Light unit to be replaced. 2) [lighting] Cracked indicator repeaters on the mirrors (up to 09/03/2020): Repeater to be replaced. 3) [lighting] Front indicator does not work (up to 30/03/2020): Part to be replaced. 4) [windows] Door mirror faults (up to 31/08/2023): Faulty mirror to be replaced. 5) [doors and openings] Front and/or rear doors will not open (up to 01/08/2022): Door handle mounting bracket to be replaced. 6) [doors and openings] Fuel flap locking fault (up to 10/02/2023): Actuator to be replaced. 7) [doors and openings] Knock when opening and/or closing the front doors (up to 29/04/2024): Window attachment grommets to be replaced.
- Check for the garage
- Compare your symptom and your car's build date with this list. If they match, tell the workshop and ask them to check that part first before replacing others. The brand or a warranty extension covers some repairs: ask the dealer with the car's details.
- Cost cited in the source
- No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.