VOLVOUU All Engines (2013 Emissions) Fault Code: P204400 PID: ACM Reductant Temperature Sensor Circuit Low

VOLVOUU All Engines (2013 Emissions) Fault Code: P204400 PID: ACM Reductant Temperature Sensor Circuit Low

Conditions for diagnostic trouble code (DTC)
The voltage at pin A174.A:35 is below normal value

Observable symptoms
Aftertreatment DEF Frozen

Probable cause
1) Connector
2) Faulty sensor
3) Wiring harness
4) Aftertreatment Control Module (ACM)