DTC U1103-87: Lost Communication with Stop and Start Control Module Missing Message [11/2016 - ]: Description
WARNING: This page is about a different car, the 2019 Toyota Highlander, 2018 Toyota Highlander, and 2017 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
The ECM and engine stop and start ECU, airbag sensor assembly (yaw rate and acceleration sensor) and skid control ECU (brake actuator assembly) send and receive signals via CAN communication.
If a communication error occurs between the ECM and engine stop and start ECU, the ECM stores this DTC.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory | Note |
|---|---|---|---|---|---|---|
| U1103-87 | Lost Communication with Stop and Start Control Module Missing Message | There is no communication between the ECM and engine stop and start ECU (1 trip detection logic). |
|
Does not come on | DTC stored | SAE Code: U1103 DTC for Mexico Models: - Does not apply |