BatteryHigh
e-C4 battery health and charging behaviour
HV battery module work£1,200–£8,000
Inspect · Run a state-of-health check and test both charging modes
2014–2025 Citroen C4 · common fault repair costs
What the known faults on this Citroen C4 typically cost to put right at a UK independent garage · use the figures to price risk before you bid, and to justify a reduction when something shows up on inspection.
Cost at a glance
- Most expensive fault
- £1,200–£8,000
- Top three risks, from
- £2,150
- Worst case, everything
- £16,150
The single priciest documented job on the 2014–2025 Citroen C4 is hv battery module work at £1,200–£8,000. Few cars need every repair listed here · treat £3,310–£16,150 as the full exposure if one arrived with all of them.
Cost per fault
ExhaustHigh
BlueHDi DPF and AdBlue faults
DPF forced regen or replacement£250–£1,600
Inspect · Check AdBlue warnings and regen history
TransmissionHigh
Severe juddering when pulling away or delayed engagement in first gear and reverse on ETG6 automated manuals.
Clutch & dual-mass flywheel£700–£1,600
Inspect · Perform a series of slow-speed forward and reverse manoeuvres on the forecourt, feeling for clutch slip, hesitation, or violent judder.
ElectricalMedium
Infotainment and sensor faults
Infotainment repair or software fix£120–£1,200
Inspect · Test screen, sensors and camera
EngineCritical
1.2 PureTech wet belt degradation
Timing / wet belt kit + water pump£450–£1,100
Inspect · Demand belt evidence and inspect the oil
SuspensionMedium
Knocking over bumps or visible fluid weeping from the Progressive Hydraulic Cushion shock absorbers.
Suspension refresh (per axle)£250–£1,100
Inspect · Bounce each corner firmly to listen for knocking, and visually inspect the damper bodies behind the wheels for oil misting.
HVACMedium
Cabin heater blows cold on the passenger side while blowing warm on the driver's side due to a blocked heater matrix.
Suspension refresh (per axle)£250–£1,100
Inspect · Set the climate control to maximum heat on both zones, run the engine to temperature, and check the vents for uneven temperature distribution.
EngineHigh
Rattling noise from the top of the engine on 1.5 BlueHDi (DV5) models due to internal camshaft chain stretching.
Interior trim repair£90–£450
Inspect · Start the engine from cold and listen closely to the top end (cam cover area) for a distinct metallic rattle before oil pressure builds.
Ranges are indicative parts-and-labour costs at a UK independent garage, inclusive of VAT. Franchised dealers typically sit 40–80% higher, and prestige or electrified variants sit at the top of each band. Always get a written quote before committing.
Inspecting a Citroen C4 this week?
Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.