P2AD8

Symptoms

• Check Engine light comes on
• Reduced engine power
• Increased fuel consumption
• SCR system error message on dashboard
• Increased NOx emissions

Causes

• Reagent pump position sensor malfunction
• Open or short circuit in the sensor circuit
• Poor contact in sensor circuit connectors
• Reagent pump malfunction
• Problems with the engine control unit (ECU)

How to Fix

1. Check the continuity of the pump position sensor circuit
2. Inspect connectors and contacts for corrosion or damage
3. Check the resistance and signal of the position sensor
4. If necessary, replace the pump position sensor
5. Check the operation of the reagent pump

Related codes

Error P2AD8 by Vehicle Brand