Home >> Land Rover >> 2017 >> Discovery SE >> Repair and Diagnosis >> Body & Frame >> Towing Systems >> Diagnostic Trouble Code Index DTC: Deployable TOWBAR Control Module (DTCM) -- Discovery/L462 >> Diagnostic Trouble Code Index DTC: Deployable Towbar Control Module (DTCM) >> Description And Operation >> DTC B153A-31: Electrically Deployable Tow Bar Movement Motor Sensor - No Signal >> Possible Causes