P2048

Symptoms

• Check Engine light comes on
• Reduced engine power
• Increased fuel consumption
• Increased NOx emissions
• Possible problems starting the engine

Causes

• Reagent injection valve malfunction
• Open or short circuit in the wiring circuit
• Poor connection or corroded contacts
• SCR control module malfunction
• Relay or fuse problems

How to Fix

1. Check the continuity of the wiring to the valve
2. Check valve resistance and operation
3. Inspect connections and contacts for corrosion
4. Check fuses and relays
5. If necessary, replace the reagent injection valve

Related codes

Error P2048 by Vehicle Brand