What does fault code BCM-U041741 mean?

Diagnostic fault code details for BCM-U041741 (Volvo C30 (2007–2013), Volvo C70 (2006–2013), Volvo C70 (2006–2013)). Repair service at OBD Tuning.

VOLVO

BCM-U041741 - Invalid Data Received From Electrical parking brake. System Internal Failures. General checksum failure

System

Brake Control Module (BCM)

Volvo models this fault code applies to

Applies to the following models:

11 models

C30 (2007–2013), C70 (2006–2013), S40 (2004–2013), S60 (2011–), S80 (2007–), V50 (2004–2013), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)

Show models by year and engine (12)

What does this fault code mean?

The brake control module (BCM) has received faulty data from the electric parking brake (EPB), which sends information out on the CAN network. The code is set when the signal deviates from the expected value, which indicates a fault in the parking brake module. The parking brake may then have reduced function.

Possible causes

Fault in the parking brake control module (PBM)

What you can do

1Read codes in the parking brake control module and troubleshoot them accordingly
2Check that the parking brake applies and releases correctly after troubleshooting
3Do not replace the brake control module for this code, as the fault lies in the parking brake module
4The brake system is safety-critical, so have a workshop carry out any work on the parking brake and the brake control module

Symptoms you may notice2

The electronic parking brake has reduced function
The parking brake does not work, works with reduced function or works incorrectly

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