Home >> Land Rover >> 2021 >> Defender 90 X >> Repair and Diagnosis >> Quick Lookups >> Common Specs & Procedures >> Diagnostic Trouble Code Index DTC: Anti-Lock Brake System Control Module (Abs) -- Defender/L663 >> Diagnostic Trouble Code Index - DTC: Anti-Lock Brake System Control Module (Abs) (G3134779) >> Description And Operation >> Anti-Lock Brake System Control Module (Abs) >> DTC U0123-87: Lost Communication With Yaw Rate Sensor Module - Missing message >> Possible Causes