What does fault code UEM-0013 mean?

Diagnostic fault code details for UEM-0013 (Volvo S60 (2001–2009), Volvo S80 (1999–2006), Volvo V70 (2000–2008)). Repair service at OBD Tuning.

VOLVO

UEM-0013 - Movement sensor. Internal fault

System

Upper Electronic Module (UEM)

Volvo models this fault code applies to

Applies to the following models:

5 models

S60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)

Show models by year and engine (5)

What does this fault code mean?

On the XC90 the code means a fault has been detected in the rear movement sensor (MMS) or in the interior motion sensor (IMS, from model year 2012 onwards). The sensor may need replacing.

Possible causes

Poor contact on the sensor side and/or on the control module side
Open circuit in the sensor communication cable
A short to supply voltage on the sensor's communication cable
Defective sensor

What you can do

1Read off the code, clear it and check whether it returns.
2Look for loose connectors and oxidation at the sensor and at the control module connector.
3Use a multimeter to check that the communication cable has no contact with voltage and is not broken.
4Check in particular the connector in the cable harness between the control module and the sensor.
5If no fault is found, have a workshop replace the sensor.

Symptoms you may notice1

The alarm does not respond to the movement sensor

General guidance for car owners. Diagnosis on the car can point to a different cause.