# C1AC1 on the 2017 Toyota Tacoma

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name C1AC1

- [10162247](https://open.wenmarpro.com/bulletins/10162247), 2019-07-08: 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.