Home >> Land Rover >> 2020 >> Range Rover Evoque S >> Repair and Diagnosis >> Quick Lookups >> Common Specs & Procedures >> Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) -- Range Rover EVOQUE/L551 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Restraints Control Module (RCM) (G2325536) >> DTC B0021-1A: Left Curtain Deployment Control 1 - Circuit resistance below threshold >> Possible Causes