VOLVOUU All Engines (2013 Emissions) Fault Code: P204211 PID: ACM Reductant Temperature Sensor
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)
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