P2047

Symptoms

• Check Engine light comes on
• Possible SCR system error messages
• Increased NOx emissions
• Engine power limitation (on some models)
• Unpleasant exhaust smell

Causes

• Open or short circuit in valve wiring
• Malfunction of the reagent injection valve itself
• Problems with connectors or contact corrosion
• Engine control unit malfunction
• Mechanical damage to system components

How to Fix

1. Check the integrity of the valve circuit wiring and connectors
2. Check valve resistance (compare with nameplate values)
3. Inspect the valve for mechanical damage
4. Check power and control signals at the valve connector
5. If necessary, replace the reagent injection valve

Related codes

Error P2047 by Vehicle Brand