VOLVO
IAM-B1A021C - Speaker #2. General Electrical Failures. Circuit voltage out of range
System
Integrated Audio Module (IAM)
Volvo models this fault code applies to
Applies to the following models:
9 modelsS60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
What does this fault code mean?
The IAM unit has registered that the voltage difference across the outputs to the speaker in the right front door is too large. The fault comes from a damaged module, so the module needs to be checked by a workshop.
Possible causes
- Damaged integrated audio module (IAM)
What you can do
- 1Check that the fuses for the speakers are intact
- 2Test the audio system's functions and see whether the sound is missing from only the speaker in the right front door
- 3Have a workshop check the integrated audio module and replace it if it is damaged
- 4After the work, check that the sound and the parking assistance work and that the fault code does not come back
Symptoms you may notice2
- No sound from the speaker in the right front door
- Front and rear parking assistance does not work
General guidance for car owners. Diagnosis on the car can point to a different cause.