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Home >> Land Rover >> 2021 >> Defender 90 >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering System - General Information -- Defender/L663 >> Steering System - General Information >> Diagnosis And Testing >> Steering System (G2400944) >> DTC U0046-81: Vehicle Communication Bus C - Invalid >> Possible Causes

Possible Causes

  1. HS CAN  Bus (chassis) circuit short circuit to ground, short circuit to power, open circuit, high resistance
  2. Invalid data received from another control module through the HS CAN  Bus (chassis)
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