VOLVO
SRS-B1A5587 - Crash record output. Bus Signal / Message Failures. Missing message
System
Supplemental Restraint System (SRS)
Volvo models this fault code applies to
Applies to the following models:
7 modelsS60 (2011–), S80 (2007–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
What does this fault code mean?
The airbag control module (SRS) is missing the status message about the crash signal that should come from the central electronic module (CEM) over the CAN communication. The causes can be CAN wires shorted together or to supply, an open CAN network, poor contact in the connections, or a damaged CEM.
Possible causes
- CAN wires short-circuited to voltage or ground
- Open circuit in the CAN network
- Short circuit in the connections
- Contact resistance or oxidation in the connections
- The central electronic module (CEM) is damaged
What you can do
- 1Read and note the code, clear it and see whether it comes back
- 2Have a workshop check the CAN communication between the central electronic module and the airbag control module
- 3If the communication shows no fault, have a workshop troubleshoot the central electronic module
- 4Have a workshop correct the fault and confirm the code does not come back
- 5Do not work on the airbag system yourself; have a workshop carry out the troubleshooting
Symptoms you may notice2
- SRS warning lamp on
- SRS warning message shown in the display
General guidance for car owners. Diagnosis on the car can point to a different cause.