Diagnostic Trouble Code (DTC) Information EPS-0070

Condition 

Fig 1: Identifying Electric Power Steering Module (EPS)

Courtesy of VOLVO CARS OF NORTH AMERICA.

The electrical power steering module (EPS) monitors the power supply (30-supply) to the control module.

The diagnostic trouble code (DTC) is stored if the electrical power steering module (EPS) detects that the power supply (30-supply) to the control module is greater than 16.5 V for 0.1 seconds.

The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.

Substitute Value 

• No power steering effect.

Possible Source 

• Jump starting or boost charging the battery using high voltage
• Charge regulation is not functioning
• Damaged electrical power steering module (EPS).

Fault symptom[s] 

• No or weak power steering effect
• General warning lamp lit
• Messages in the display.