Home >> Jaguar >> 2018 >> XF S, AWD >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Suspension Control Module (ISCM) -- XF/X260 >> Diagnostic Trouble Code Index DTC: Suspension Control Module (ISCM) >> Description And Operation >> Suspension Control Module (ISCM) >> DTC U0046-86: Vehicle Communication Bus C - Signal invalid >> Possible Causes