1703 Found BCU Unit Healthy 1 (fault) du ~~~~~ 1703 Found BCU Unit Healthy 1 (fault) du     Check FC-348 BCU speed sensor fault M1 axle 1 multiple time.Further check sensor observed grooving around surface. Resistance check 42.7kohm.Replace new speed sensor and resistance check 476.5kohm ok.To be further monitoring. Done by Koh. 15/09/21