DTC U1176-87: Lost Communication with Gear Shift Control Module "A" (Powertrain Bus) Missing Message [09/2023 - ]: Description
WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
The hybrid vehicle control ECU assembly transmits and receives signals via CAN communication to and from the shift control ECU.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate | DTC Output from | Priority | Note |
|---|---|---|---|---|---|---|---|---|
| U1176-87 | Lost Communication with Gear Shift Control Module "A" (Powertrain Bus) Missing Message | A CAN communication error between the hybrid vehicle control ECU assembly and shift control ECU (CAN communication system malfunction) occurs The hybrid vehicle control ECU assembly cannot receive signals from the shift control ECU (1 trip detection logic) |
|
Comes on | Master Warning: Comes on |
Hybrid Control | B | SAE Code: U1176 |