AdBlue Tank Revision 5008 3008 C4

Error Codes:
P20A2 - Defective DeNOx system purge circuit
P20E8 - AdBlue pressure too low
P3052 - Low reducing agent pressure, internal pump failure

The AdBlue tank with OE code 9825645580 è a complete module for systems SCR (Selective Catalytic Reduction) of the latest generation PSA vehicles on platform EMP2. It integrates a plastic tank, electric urea pump, sensors, and AdBlue module control unit/driver, providing the fluid dosing solution for engines BlueHDi.

Technical specifications

• Type: AdBlue tank made of plastic (HDPE) with integrated pump/module electronics.
• Integrated equipment: urea pump, level sensor tank, temperature sensor fluid, filter integrated, heating/antifreeze of the extraction/lines.
• Interface: electrical connector at 12 V, heated supply line to the’SCR injector, quick-connect fittings.
• Capacityà indicative: ~17 liters (typical value for PSA applications on EMP2; variable by model).
• Location: underbody rear, spare wheel well/longitudinals (with variants with/without spare wheel according to equipment).
• Supply: unità complete “tank + pump + control module”ready for coding/initialization in engine control unit.

DIPA può intervene to review this component as wellì important for the proper functioning of the engine.

Functionalityà

• Storage and delivery of AdBlue fluid to the SCR circuit with pressure control pressure and of the capacity.
• Thermal conditioning of the fluid (freeze prevention and defrost management) to ensure’delivery in critical environmental conditions.
• Monitoring of level and temperature with OBD diagnostics and management of autonomy/refilling alerts.
• Integration with engine ECU/NOx for closed-loop dosingoptimizing NOx reduction at the SCR catalyst.

Model applications

Citroën

• C4 Spacetourer

Peugeot

• 3008
• 5008

DIPA recommends to always check the compatibilityà of the spare part before the’purchase.

Typical defects

• Low urea circuit pressure due to pump failure, air intake or clogged filter → AdBlue/warning light, startup countdown.
• Level sensor failure tank → incorrect range indications, persistent warnings even after refueling.
• Crystallization of the fluid in pipes/injector → restrictions and flow drop.
• Heating anomaly (heaters/heated lines) → low temperature supply blockage.
• Infiltrations/leaks from the module or from the fittings → odors, seepage, connector corrosion.
• Wiring/electronics defects of the module → errors “control range/performance”modalitiesà degraded.

Any DTC codes

P20A2 - Faulty DeNOx system purge circuit
P20E8 - AdBlue pressure too low
P3052 - Low reducing agent pressure, internal pump failure

Final conclusions

The AdBlue tank OE 9825645580 è a complete group that combines container, pump, sensors, and electrical management for the system SCR BlueHDi. In case of failure è good practice: check level/qualityà of the fluid and presence of crystallizations, check sealing/flow and electrical supply, restore any leaks.

DIPA has a wide range of spare parts: from original ones to aftermarket selected from the best manufacturers on the market. Not only that: it has refurbished components with performance equal to new, which allows for savings in replacement and contributes to the protection of the’environment thanks to the’circular economy. If the spare part that suits you is not è available, don't worry: DIPA canò revise “on demand” your part, restoring its full functionalityà and safety in a short time.