VOLVO
PSCM-U300616 - Control Module Input Power "A". General Electrical Failures. Circuit voltage below threshold
System
Power Steering Control Module (PSCM)
Volvo models this fault code applies to
Applies to the following models:
7 modelsS60 (2011–), S80 (2007–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
Show models by year and engine (11)
- Volvo S60 (2011–)2011–2013
- Volvo S60 (2011–)2014–2015All engines except: B4204T10, B4204T11, B4204T12, B4204T15, B4204T9, D4204T5
- Volvo S80 (2007–)2010Engine D4164T only
- Volvo S80 (2007–)2011–2015
- Volvo V60 (2011–)2011–2013
- Volvo V60 (2011–)2014–2015All engines except: B4204T11, B4204T12, B4204T15, B4204T9, D4204T5
- Volvo V60 Cross Country (2015–)2015
- Volvo V70 (2008–)2010Engine D4164T only
- Volvo V70 (2008–)2011–2015
- Volvo XC60 (2009–)2011–2015
- Volvo XC70 (2008–)2011–2015
What does this fault code mean?
The control module's input power, meaning its supply, is too low for a longer period, and the fault code is set when this lasts. Power steering assistance control may then stop working.
Possible causes
- Low battery voltage
- Contact resistance or oxidation in the connections
- Voltage supply wire shorted to ground
- Open circuit in the voltage supply wire
What you can do
- 1Check the battery charge and voltage
- 2Check that the fuses are intact
- 3Check the connectors in the supply to the control module for oxidation and loose fit
- 4Use a multimeter to check that the supply wire has no contact with earth (the body) and is not open
- 5Steering is a safety system: have a workshop check the car if power steering assistance does not work
Symptoms you may notice2
- Yellow warning symbol and message in the display
- Power steering assistance control does not work
General guidance for car owners. Diagnosis on the car can point to a different cause.