Home >> Land Rover >> 2020 >> Range Rover Velar R-Dynamic HSE >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Trailer Control Module (TRM) -- Range Rover Velar/L560 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Trailer Control Module (TRM) (G2445144) >> B1541-13: Trailer Socket Connection - Circuit open >> Possible Causes