T-SB-0063-19

TSB: Some 2016 ? 2018 model year Tacoma vehicles may exhibit a Blind Spot Monitor System Warning message with any of the following Diagnostic Trouble Codes (DTCs) present. ? U0232 ? Lost Communication with Blind Spot Monitor Slave Module ? U0233 ? Lost Communication with Blind Spot Monitor Master Module ? C1AC1 ? Master Module Horizontal Axis Misalignment ? C1AC2 ? Slave Module Horizontal Axis Misalignment ? C1AB6 ? Blind Spot Monitor Master Module ? C1AB7 ? Blind Spot Monitor Slave Module. Follow the Repair Procedure in this bulletin to address this condition.