Home >> Land Rover >> 2021 >> Defender 110 X-Dynamic SE >> Repair and Diagnosis >> Quick Lookups >> Common Specs & Procedures >> Diagnostic Trouble Code Index DTC: Power Steering Control Module (PSCM) -- Defender/L663 >> Diagnostic Trouble Code Index - DTC: Power Steering Control Module (PSCM) (G2400908) >> Description And Operation >> Power Steering Control Module (PSCM) >> DTC U0080-81: Vehicle Communication Bus F - Invalid serial data received >> Possible Causes