DTC U1176-87: Lost Communication with Gear Shift Control Module "A" (ch2) Missing Message [11/2021 - ]: Description
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The ECM receives signals from the shift control ECU (transmission floor shift assembly) via CAN communication. When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before performing troubleshooting for each corresponding ECU or sensor.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory | Note |
|---|---|---|---|---|---|---|
| U1176-87 | Lost Communication with Gear Shift Control Module "A" (ch2) Missing Message | No communication between the ECM and shift control ECU (transmission floor shift assembly) for 1 second or more (1-trip logic) |
|
Comes on | DTC stored | SAE Code: U1176 |