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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 U0046-87: Vehicle Communication Bus C - Missing message >> Possible Causes

Possible Causes

  1. High speed CAN  bus (chassis) circuit short circuit to ground, short circuit to power, open circuit, high resistance
  2. Missing message from another control module through the high speed CAN  bus (chassis)
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