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Volvo All Engines (2017 Emissions) Fault Code: P20BD13 PID: ACM Reductant Heater “B” Control

Volvo All Engines (2017 Emissions) Fault Code: P20BD13 PID: ACM Reductant Heater “B” Control

Conditions for diagnostic trouble code (DTC)
Open circuit

Probable cause
1) Wiring harness
2) Hose heater (R23B)