Home >> Land Rover >> 2020 >> Range Rover SVAutobiography Dynamic >> Repair and Diagnosis >> Quick Lookups >> Common Specs & Procedures >> Diagnostic Trouble Code Index DTC: Dynamic Response Control Module (DRM) -- Range Rover/L405 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Dynamic Response Control Module (DRM) (G2016243) >> DTC C1B11-28: Pressure Control Valve - Signal bias level out of range/zero adjustment failure >> Possible Causes