Diagnostic Trouble Code (DTC) Information EPS-0022

Condition 

Fig 1: Identifying Electric Power Steering Module (EPS)

Courtesy of VOLVO CARS OF NORTH AMERICA.

The function of the pump motor and its speed sensor are checked upon start of the electrical power steering module (EPS).

If the electrical power steering module (EPS) detects a fault in the pump motor or that its speed sensor does not send speed information to the electrical power steering module (EPS), the diagnostic trouble code (DTC) is generated.

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

Substitute Value 

• No power steering effect.

Possible Source 

• Damaged electrical power steering module (EPS).

Fault symptom[s] 

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