Home >> Land Rover >> 2016 >> Range Rover Autobiography >> Repair and Diagnosis >> Body & Frame >> Towing Systems >> Diagnostic Trouble Code Index DTC: Deployable TOWBAR Control Module (DTCM) -- Range Rover/L405 >> Diagnostic Trouble Code Index DTC: Deployable TOWBAR Control Module (DTCM) >> Description And Operation >> DTC C1009-31: Right Power Running Board Position/Motion Sensor - No signal >> Possible Causes