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Land Rover
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2017
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Discovery Sport HSE
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Repair and Diagnosis
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Restraints
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Restraints Control Systems
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Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) -- Discovery Sport/L550
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Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM)
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Description And Operation
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DTC B0021-13: Left Curtain Deployment Control 1 - Circuit open
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Possible Causes
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Possible Causes
Left side air curtain circuit open circuit, high resistance
Left side air curtain connector damaged
Left side air curtain internal failure