Home >> Land Rover >> 2020 >> Range Rover Evoque SE >> Repair and Diagnosis >> General Information >> Specifications Index >> Diagnostic Trouble Code Index DTC: CHASIS Control Module (CHCM) -- Range Rover EVOQUE/L551 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Chassis Control Module (CHCM) (G2309000) >> C1B18-2F: Module Power Supplies - Signal erratic >> Possible Causes