Toyota Corolla Cross: Lost Communication with Hybrid/EV Powertrain Control Module (ch6) Missing Message (U11BC87)
DESCRIPTION
The hybrid vehicle control ECU transmits and receives signals via CAN communication to and from the No. 2 skid control ECU (brake actuator assembly).
|
DTC No. | Detection Item |
DTC Detection Condition |
Trouble Area | MIL |
Warning Indicate | Note |
|---|---|---|---|---|---|---|
|
U11BC87 | Lost Communication with Hybrid/EV Powertrain Control Module (ch6) Missing Message |
No. 2 skid control ECU (brake actuator assembly) cannot receive signals from the hybrid vehicle control ECU |
| Does not come on |
Master Warning: Does not come on |
SAE Code: U11BC |
CONFIRMATION DRIVING PATTERN
HINT:
After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.
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- Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
- Turn the ignition switch off and wait for 2 minutes or more.
- Turn the ignition switch to ON and wait for 2 minutes or more.
- Enter the following menus: Powertrain / Hybrid Control / Utility / All Readiness.
- Check the DTC judgment result.
HINT:
- If the judgment result shows NORMAL, the system is normal.
- If the judgment result shows ABNORMAL, the system has a malfunction.
- If the judgment result shows INCOMPLETE or N/A, perform the normal judgment procedure again.
PROCEDURE
|
1. | GO TO CAN COMMUNICATION SYSTEM |
Click here
| NEXT | .gif) | END |
READ NEXT:
Brake Override System
DESCRIPTION When the vehicle is being driven with the accelerator pedal depressed, depressing the brake pedal without releasing the accelerator pedal will activate the brake override system to restric
Transmission Control Switch Circuit
DESCRIPTION When the shift lever is in S, different ranges can be chosen using the floor shift sequential gate. WIRING DIAGRAM
Refer to the wiring diagram for the shift paddle switch circuit. (w/ S
Shift Paddle Switch Circuit
DESCRIPTION Moving the shift lever to S enables the shift range to be selected. The shift range can be selected by operating the "+" or "-" shift paddle switch. WIRING DIAGRAM
CAUTION / NOTICE / H
SEE MORE:
Generator Execution Torque Performance (P0E7100)
DTC SUMMARY MALFUNCTION DESCRIPTION This DTC indicates that the generator torque execution value does not correspond to the torque command value from the hybrid vehicle control ECU to the generator (MG1). The cause of this malfunction may be one of the following:
Area Main Malfunction Descr
Drive Motor "A" Position Sensor Circuit "A" Circuit Open (P0C5013,P0C501F,P0C5A13,P0C5A1F)
DTC SUMMARY MALFUNCTION DESCRIPTION These DTCs indicate that the resolver output signal is abnormal. The cause of this malfunction may be one of the following:
Area Main Malfunction Description
Inverter low-voltage circuit
The connectors are not connected properly
H
