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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 U0046-87: Vehicle Communication Bus C - Missing message >> Action

DTC U0046-87: Vehicle Communication Bus C - Missing message: Action

NOTE: Do NOT replace any module's just on the basis of this DTC  .
  1. Using the JLR  approved diagnostic equipment, check other modules for the same DTC  indicating a fault in the wiring harness and/or incompatibility in the software versions.
  2. Check the HS CAN  Bus (chassis) circuit at the PSCM  for short circuit to ground, short circuit to power, open circuit, high resistance. GO to Pinpoint Test D .
  3. Using the JLR  approved diagnostic equipment, check the relevant control module for related DTC  (s) and refer to the relevant DTC  index.
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