DTC U1103-87: Lost Communication with Stop and Start Control Module Missing Message [12/2021 - 10/2023]: Description
The ECM and engine stop and start ECU 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 | DTC Output from | Priority | 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). |
|
- | Engine | B | SAE: U1103 |