U2155 1F (CDCF - Compact Disk Changer Front)
U2155 1F
O-bus. Intermittent Open Circuit Before Control Module
Fault symptom
Intermittent radio function.
On-board diagnosis
Type of diagnosis:
Continuous
Enable criteria:
All modes except starter motor cranking
Fault criteria:
No contact with one, several or all O-bus systems.
System reaction to a fault:
Intermittent radio function.
Diagnostic Help
Diagnosis regards:
Electrical fault on bus leads or in the component.