- Doors cannot be locked or unlocked.
- The warning (wireless buzzer) does not sound.
| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM1000000026A2L |
| Model Year Start: 2023 | Model: GR Corolla | Prod Date Range: [09/2022 - 11/2022] |
| Title: THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function (except TMMMS Made)): U010087,...,U111787; Lost Communication With ECM/PCM "A" Missing Message; 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022] | ||
|
DTC |
U010087 |
Lost Communication With ECM/PCM "A" Missing Message |
|
DTC |
U012987 |
Lost Communication with Brake System Control Module "A" Missing Message |
|
DTC |
U014087 |
Lost Communication with Body Control Module Missing Message |
|
DTC |
U015587 |
Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message |
|
DTC |
U029387 |
Lost Communication with Hybrid/EV Powertrain Control Module Missing Message |
|
DTC |
U111787 |
Lost Communication with Accessory Gateway Missing Message |
DESCRIPTION
These DTCs are stored when a malfunction occurs in the CAN communication circuit.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Note |
|---|---|---|---|---|
|
U010087 |
Lost Communication With ECM/PCM "A" Missing Message |
CAN communication malfunction between certification ECU (smart key ECU assembly) and ECM (1-trip detection logic*1) |
ECM |
DTC Output Confirmation Operation:
|
|
U012987 |
Lost Communication with Brake System Control Module "A" Missing Message |
CAN communication malfunction between certification ECU (smart key ECU assembly) and skid control ECU (brake actuator assembly) (1-trip detection logic*1) |
Skid control ECU (brake actuator assembly) |
DTC Output Confirmation Operation:
|
|
U014087 |
Lost Communication with Body Control Module Missing Message |
CAN communication malfunction between certification ECU (smart key ECU assembly) and main body ECU (multiplex network body ECU) (1-trip detection logic*1) |
Main body ECU (multiplex network body ECU) |
DTC Output Confirmation Operation:
|
|
U015587 |
Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message |
CAN communication malfunction between certification ECU (smart key ECU assembly) and combination meter assembly (1-trip detection logic*1) |
Combination meter assembly |
DTC Output Confirmation Operation:
|
|
U029387 |
Lost Communication with Hybrid/EV Powertrain Control Module Missing Message |
CAN communication malfunction between certification ECU (smart key ECU assembly) and hybrid vehicle control ECU (1-trip detection logic*1)*2 |
Hybrid vehicle control ECU |
DTC Output Confirmation Operation:
|
|
U111787 |
Lost Communication with Accessory Gateway Missing Message |
CAN communication malfunction between the certification ECU (smart key ECU assembly) and the option connector (bus buffer ECU) for approximately 10 seconds or more. |
Option connector (bus buffer ECU) |
DTC Output Confirmation Operation:
|
- *1: Only detected while a malfunction is present.
- *2: for HV Model
Vehicle Condition and Fail-safe Function when Malfunction Detected
|
DTC Code |
Vehicle Condition when Malfunction Detected |
Fail-safe Function when Malfunction Detected |
|---|---|---|
|
U010087 |
There is no effect on vehicle behavior. |
- |
|
U012987 |
- |
- |
|
U014087 |
|
- |
|
U015587 |
The warning (meter buzzer) does not sound and no warning messages displayed on the multi-information display. |
- |
|
U029387* |
There is no effect on vehicle behavior. |
- |
|
U111787 |
The engine cannot be started using the wireless remote control function. |
- |
- *: for HV Model
Related Data List and Active Test Items
|
DTC No. |
Data List and Active Test |
|---|---|
|
U010087 U012987 U014087 U015587 U029387* U111787 |
- |
CAUTION / NOTICE / HINT
NOTICE:
-
When using the GTS with the ignition switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins.
Then select Model Code "KEY REGIST" under manual mode and enter the following menus: Body Electrical / Start Key(CAN). While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.
- After repair, confirm that no DTCs are output by performing "DTC Output Confirmation Operation".
PROCEDURE
|
1. |
CHECK FOR DTC |
(a) Check for DTCs and note any DTCs that are output.
|
Result |
Proceed to |
|---|---|
|
U010087, U012987, U014087, U015587, U029387 or U111787 is output |
A |
|
DTCs other than U010087, U012987, U014087, U015587, U029387 and U111787 are output |
B |
| B |
|
GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
|
2. |
CLEAR DTC |
(a) Clear the DTCs.
(b) Turn the ignition switch off.
|
|
3. |
CHECK FOR DTC |
(a) Turn the ignition switch to ON and wait for 10 seconds or more.
(b) Check for DTCs and note any DTCs that are output.
|
Result |
Proceed to |
|---|---|
|
U010087, U012987, U014087, U015587, U029387 or U111787 is output |
A |
|
U010087, U012987, U014087, U015587, U029387 and U111787 are not output |
B |
| A |
|
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) for HV Model: Click here
for Gasoline Model: Click here
|
![2023 - 2025 MY Corolla Corolla HV [09/2022 - ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
| B |
|
GO TO CHECK FOR INTERMITTENT PROBLEMS for HV Model: Click here
for Gasoline Model: Click here
|
|
|