P2054 - OBD II Trouble Code

Our automotive experts have put together the following information about the P2054 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P2054 code.

What Does P2054 Code Mean?

OBD-II Code P2054 is defined as a Reductant Injection Valve Circuit Low

Diesel Exhaust Fluid (DEF) is used to assist in converting leftover exhaust particles to harmless gases. In order to burn off those particles, the temperature of the exhaust system needs to increase. the injection of DEF Fluid into the exhaust stream brings Diesel Particulate Filter (DPF) up to temperature. The system is then able to convert harmful NOx to Nitrogen, Carbon Dioxide, and water. If DEF Injector fails to operate properly, code P2054 will set.

P2054 Symptoms

• DPF regeneration may not occur

Common Problems That Trigger the P2054 Code

• DEF injector failure
• Powertrain Control Module (PCM) failure
• Wiring issue