Volvo All Engines (2017 Emissions) Fault Code: P065712 PID: ACM Actuator Supply Voltage “A”

Volvo All Engines (2017 Emissions) Fault Code: P065712 PID: ACM Actuator Supply Voltage “A”

Circuit description
The following components are connected to a common 12 V supply
A138: DEF Direction valve
A138: Aftertreatment Diesel Exhaust Fluid (DEF) Pump Motor
Y81: Aftertreatment Diesel Exhaust Fluid (DEF) Tank Heater Valve
If an abnormal voltage or current is detected on the common supply a DTC is set

Conditions for diagnostic trouble code (DTC)
The voltage at pin A137:62 is above normal value

Probable cause
1) Connector
2) Wiring harness
3) Aftertreatment Diesel Exhaust Fluid (DEF) Tank Heater Valve
4) Reductant Injection Air Pressure Control Valve Control
5) Aftertreatment Control Module (ACM)