What does fault code RSE-U201656 mean?

Diagnostic fault code details for RSE-U201656 (Volvo S80 (2007–), Volvo V70 (2008–), Volvo XC60 (2009–)). Repair service at OBD Tuning.

VOLVO

RSE-U201656 - Control Module Main Software. System Programming Failures. Invalid / incompatible configuration

System

Unknown System / Manufacturer Specific

Volvo models this fault code applies to

Applies to the following models:

4 models

S80 (2007–), V70 (2008–), XC60 (2009–), XC70 (2008–)

Show models by year and engine (4)

What does this fault code mean?

The rear seat entertainment control unit (RSE) checks its internal main software. The code is set when the software produces a wrong checksum, and then the rear seat entertainment does not work as it should.

Possible causes

Faulty software

What you can do

1Check that the fuses for the rear seat entertainment are intact
2The code shows a software fault in the RSE, which you cannot remedy yourself
3Have a workshop download new software to the RSE and check that the system works afterwards

Symptoms you may notice1

Rear seat entertainment does not work, has reduced function or works incorrectly

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