Volvo All Engines (2017 Emissions) Fault Code: P266913 PID: ACM Actuator Supply Voltage “B”

Volvo All Engines (2017 Emissions) Fault Code: P266913 PID: ACM Actuator Supply Voltage “B”

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

Open circuit
Observable symptoms
None

Probable cause
1) Wiring harness
2) Connector
3) R31: Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 1
4) Wiring harness, check