Home >> Land Rover >> 2021 >> Discovery R-Dynamic HSE >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Dynamic Response Control Module (DRM) -- Discovery/L462 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Dynamic Response Control Module (DRM) (G2016243) >> DTC U300A-62: Ignition Switch - Signal compare failure >> Possible Causes