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Home >> Land Rover >> 2021 >> Defender 110 >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering System - General Information -- Defender/L663 >> Steering System - General Information >> Diagnosis And Testing >> Steering System (G2400944) >> DTC U0080-87: Vehicle Communication Bus F - Missing message >> Possible Causes
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Possible Causes

  1. Missing message from another control module through the FlexRay
  2. FlexRay circuit short circuit to ground, short circuit to power, open circuit, high resistance
  3. During wading in shallow water "Steering reduced and Emergency steering not available" warnings on the IPC