Home >> Mitsubishi >> 2021 >> RVR LE >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Blind Spot Warning (BSW)/Rear Cross Traffic Alert (RCTA) >> Trouble Symptom Procedures >> Inspection Procedure 1: Power supply to the BSW-ECU (master) fails [Cannot communicate with BSW-ECU (master) using the scan tool (M.U.T.-III)] >> Troubleshooting Hints