U2155 1F (AMP2 - Amplifier, Rear Speakers)

U2155 1F

O-bus. Intermittent Open Circuit Before Control Module






Fault symptom
Intermittent amplifier 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 amplifier function.

Diagnostic Help
Diagnosis regards:
Electrical fault on bus leads or in the component.