Yo comprobaría el cableado.
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02071 - Local Databus: No Signal/Communication
Possible Symptoms
Control Modules connected to Local Databus not functioning
Possible Causes
Wiring/Connectors from/to Control Modules in Local Databus faulty
Control Module in Local Databus faulty
Possible Solutions
Check/Repair Wiring/Connectors from/to Control Modules in Local Databus
Check/Replace Control Module in Local Databus