VOLVO
KVM-0105 - Exterior trunk antenna. Signal too low
System
Keyless Vehicle Module (KVM)
Volvo models this fault code applies to
Applies to the following models:
5 modelsC30 (2007–2013), C30 Electric (2011–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013)
What does this fault code mean?
The antenna in the rear bumper is one of the outer antennas that the keyless vehicle module (KVM) monitors once the car reaches a certain speed. The code is stored when the signal from the rear antenna circuit is too low, and the keyless functions then become weaker.
Possible causes
- The signal wire to the outer rear antenna is shorted to ground
- The outer rear antenna is faulty
What you can do
- 1Read and note the code, clear it and road test the car
- 2Disconnect the battery negative lead and inspect the wire to the antenna in the rear bumper for damage and chafing
- 3Use a multimeter to check that the wire to the rear antenna is not in contact with ground (the body)
- 4Make sure the connector at the antenna and at the KVM is firmly seated and clean
- 5Have a workshop with diagnostic equipment check the antenna and replace it if the wiring is sound
Symptoms you may notice1
- Keyless functions do not work at all or work poorly
General guidance for car owners. Diagnosis on the car can point to a different cause.