Home >> Land Rover >> 2017 >> Discovery Sport SE >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Diagnostic Trouble Code Index DTC: Instrument Cluster (Ic) -- Discovery Sport/L550 >> Diagnostic Trouble Code Index DTC: Instrument Cluster (IC) >> Description And Operation >> DTC U0028-87: Vehicle Communication Bus A - Missing message >> Possible Causes