DTC U0231-87: Lost Communication With Rain Sensing Module - Missing message: Action
- Refer to the applicable system wiring diagram(s) and check the power and ground connections to the rain/light sensor
- Refer to the applicable system wiring diagram(s) and check the LIN network between the rain/light sensor and the central junction box
- Clear the DTC and retest. If the problem persists, renew the rain/light sensor