LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Land Rover
>>
2017
>>
Range Rover Evoque Autobiography
>>
Repair and Diagnosis
>>
Quick Lookups
>>
DTC Index
>>
Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) -- Range Rover EVOQUE/L538
>>
Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM)
>>
Description And Operation
>>
DTC B0021-1A: Left Curtain Deployment Control 1 - Circuit resistance below threshold
>>
Possible Causes
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Possible Causes
Left side air curtain connector plunger not engaged
Left side air curtain connector damaged
Left side air curtain circuit short circuit between power and ground