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Home >> Land Rover >> 2019 >> Range Rover Autobiography >> Repair and Diagnosis >> External Pages >> Different car >> Section 273 (Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) -- Range Rover Sport/L494) >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Restraints Control Module (RCM) (G2187652) >> DTC B0021-2B: Left Curtain Deployment Control 1 - Signal cross coupled >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2021 Land Rover Range Rover Sport, 2020 Land Rover Range Rover Sport, and 2019 Land Rover Range Rover Sport. However, it is still accessible from the selected car via links, so may be relevant.
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  • Circuit reference - LH CURTAIN SIDE AIRBAG PWR-
  • Circuit reference - LH CURTAIN SIDE AIRBAG RTN -
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