DTC C1AB6: Blind Spot Monitor Master Module [08/2013 - ]: Procedure

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DTC
1. Clear the DTCs. Refer to DTC CHECK / CLEAR [08/2013 - ] .
2. Recheck for DTCs and check if the same DTC is output again.
  OK
  
  No DTCs are output.
NG → See step 3

OK → See step 2
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ]
REPLACE BLIND SPOT MONITOR SENSOR LH. Refer to REMOVAL [08/2013 - ]