Home >> Land Rover >> 2021 >> Defender 110 SE >> Repair and Diagnosis (Single Page) >> General Information >> Specifications Index >> Diagnostic Trouble Code Index DTC: Near Field Sensing Module B (NFSMB) 1 Camera System -- Defender/L663 >> Diagnostic Trouble Code Index - DTC: Near Field Sensing Module B (NFSMB) 1 Camera System (G2890040) >> Description And Operation >> Near Field Sensing Module B (NFSMB) >> DTC B1B48-29: Left Rear Outer Sensor - Signal invalid >> Possible Causes