Home >> Land Rover >> 2017 >> Discovery SE >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Adaptive Speed Control Module (ASCM) -- Discovery/L462 >> Diagnostic Trouble Code Index DTC: Adaptive Speed Control Module (ASCM) >> Description And Operation >> DTC U0046-83: Vehicle Communication Bus C - Value Of Signal Protection Calculation Incorrect >> Possible Causes