VOLVOUU All Engines (2013 Emissions) Fault Code: P266912 PID: ACM Actuator Supply Voltage “B”
Circuit description
The following components are connected to a common 12?V supply
R31: Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 1- 2
R29: Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 3
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 A137.59 is above normal value
Observable symptoms
None
Probable cause
1) Wiring harness
2) Connector
3) Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 1
4) Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 3
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