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Home › Land Rover › 2013 › Range Rover Base › Repair and Diagnosis › General Information › DTC Index › Diagnostic Trouble Code Index DTC: Deployable TOWBAR Control Module (DTCM) -- Range Rover/L405 › Diagnostic Trouble Code Index DTC: Deployable TOWBAR Control Module (DTCM) › Description And Operation › DTC B1556-23: Deployable Side Step Button - Signal stuck low › Action

DTC B1556-23: Deployable Side Step Button - Signal stuck low: Action

Refer to the appropriate system wiring diagrams and check the deployable side step switch circuit for short circuit to ground