Home >> Land Rover >> 2017 >> Range Rover Autobiography >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Diagnostic Trouble Code Index DTC: Dynamic Response Control Module (DRM) -- Range Rover/L405 >> Diagnostic Trouble Code Index DTC: Dynamic Response Control Module (DRM) >> Description And Operation >> DTC C1B18-94: Module Power Supplies - Unexpected operation >> Possible Causes