Volvo All Engines (2017 Emissions) Fault Code: P06B400 PID: EMS Sensor Power Supply B Circuit Low
Volvo All Engines (2017 Emissions) Fault Code: P06B400 PID: EMS Sensor Power Supply B Circuit Low
The control module provides the following sensors with 5V supply voltage
1) B51: Engine Fuel Pressure Sensor
2) B118: Engine oil pressure (EOP) sensor
3) B207: Engine Piston Cooling Oil Pressure Sensor
4) B54: Crankcase pressure sensor
Conditions for diagnostic trouble code (DTC):
1) The voltage at pin A14.EB:17 is less than 4.5 V
Observable symptoms
1) Incorrect sensor value
2) Low Power
3) The engine oil pressure (EOP) gauge shows 0 when the engine is running
Probable cause
1) Wiring harness
2) Connector
3) Sensor
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