TIMS showed BCU Brake Demand. Fault code309. Fault self-cleared. ~~~~~ TIMS showed BCU Brake Demand. Fault code     Check Tims #3502 FC: 309-BCU brake demand PWM fault.BCU change out and wheel setting set ok.Brake function test ok. BCU-Old s/n: 1816146  New s/n: 1810069 Done by Sanip/Koh. 16/09/20