DTC U1103-87: Lost Communication with Stop and Start Control Module Missing Message [11/2018 - ]: Description
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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 | Memory | Note |
|---|---|---|---|---|---|---|
| U1103-87 | Lost Communication with Stop and Start Control Module Missing Message | While the ignition switch is ON, there is no communication between the ECM and stop and start ECU for 1.16 seconds or more (1-trip detection logic). |
|
Does not come on | DTC stored | SAE Code: U1103 |