VOLVO
IAM-5001 - USB port. Signal too low
System
Integrated Audio Module (IAM)
Volvo models this fault code applies to
Applies to the following models:
6 modelsC30 (2007–2013), C30 Electric (2011–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013), XC90 (2003–)
What does this fault code mean?
The integrated audio module (IAM) checks the DC voltage on the supply wire to the USB connection and has registered that it is too low. The supply wire is short-circuited to ground, and USB accessories then do not work.
Possible causes
- The supply wire to the USB connection is short-circuited to ground
What you can do
- 1With the ignition off, check the connectors at the USB connection and at the module for contact resistance, play and oxidation
- 2Follow the supply wire to the USB connection and look for chafing or spots where it may have touched the car body
- 3Use a multimeter to check that the supply wire has no contact with ground (the car body)
- 4After the work, check that the USB socket works and that the fault code does not come back
Symptoms you may notice1
- USB accessories do not work
General guidance for car owners. Diagnosis on the car can point to a different cause.