Home >> Land Rover >> 2020 >> Range Rover Velar R-Dynamic HSE >> Repair and Diagnosis >> General Information >> Specifications Index >> Diagnostic Trouble Code Index DTC: Headlamp Control Module (HCM) -- Range Rover Velar/L560 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Headlamp Control Module (HCM) (G2732965) >> B124A-4B: Right Daytime Running Light - Over temperature >> Possible Causes