U2100
/
9-5 (9600)
/
2006
/
3. Electrical System
/
Audio system with navigation
/
Fault diagnosis, diagnostic trouble codes
/
U2100
Read the instructions below then
start the fault diagnostic procedure
.
Symptom:
U2100
Missing Bus Communication.
Type of diagnosis
Continuous
Enable criteria
Ignition ON.
Fault criteria
Poor or no bus communication. No communication between the TWICE, DICE or SID.