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Home >> Land Rover >> 2021 >> Range Rover SVAutobiography Dynamic Blk. >> Repair and Diagnosis >> Steering >> Power Steering >> Steering System - General Information -- Range Rover/L405 >> Steering System - General Information >> Diagnosis And Testing >> Steering System (G2894392) >> DTC U0001-81: HS CAN Communication Bus - Invalid serial data received >> Possible Causes

Possible Causes

NOTE: This DTC  will log with the ignition set to ON.
  1. Invalid data received from another control module through the HS CAN  Bus (chassis)
  2. HS CAN  Bus (chassis) circuit short circuit to ground, short circuit to power, open circuit, high resistance