U10BA

From Ross-Tech Wiki

U10BA - Local Data Bus: No 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

Special Notes

  • When found in MLBevo based 01-Engine control modules such as the NAR market (4M/F7) chassis Q7 with CREC 3.0L Gasoline engine make sure the V544 Radiator Shutter Motor wiring is OK.
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