Liebherr Fault Code

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P205C-00

Wait-to-Start. The machine may delay full power in cold weather.

System

Aftertreatment (SCR)

Symptom

Wait-to-Start. The machine may delay full power in cold weather.

Diagnosis & fix steps

Reductant Tank Temp Sensor Circuit Low. LOGIC: The sensor is reporting a temperature that is "out of range" (shorted to ground).

Red Seal field insights

Pro-Tip: The tank sensor is often integrated into the DEF Level Header. If the sensor fails, you usually have to replace the whole header assembly.

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