DTC P1789-87: Lost Communication with Gear Shift Control Module "A" from "B" Missing Message [10/2022 - ]: Description
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The shift actuator ECU receives or sends a signal from or to the shift control ECU via CAN.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate | DTC Output from | Priority | Note |
|---|---|---|---|---|---|---|---|---|
| P1789-87 | Lost Communication with Gear Shift Control Module "A" from "B" Missing Message | When the ignition switch is ON (IG) and the auxiliary battery voltage is a certain value or more, a CAN communication malfunction with the shift control ECU is detected (1 trip detection logic) |
|
Does not come on | Multi-information Display Error Message
|
Hybrid Control | A | SAE: P1789 |