Last Modified: 07-31-2024 |
6.11:8.1.0 |
Doc ID: RM1000000026DZA |
Model Year Start: 2023 |
Model: GR Corolla |
Prod Date Range: [09/2022 - 11/2022] |
Title: THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function (Gasoline Model, except TMMMS Made)): U010087,...,U111787; Lost Communication With ECM/PCM "A" Missing Message; 2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022] |
DTC
|
U010087
|
Lost Communication With ECM/PCM "A" Missing Message
|
DTC
|
U014087
|
Lost Communication with Body Control Module Missing Message
|
DTC
|
U015587
|
Lost Communication with Instrument Panel Cluster (IPC) Control Module
|
DTC
|
U016387
|
Lost Communication with Navigation Control Module Missing Message
|
DTC
|
U111087
|
Lost Communication with Intuitive Parking Assist 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*)
|
ECM
|
DTC Output Confirmation Operation:
-
Turn the ignition switch to ON and wait at least 10 seconds.
|
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*)
|
Main body ECU (multiplex network body ECU)
|
DTC Output Confirmation Operation:
-
Turn the ignition switch to ON and wait at least 10 seconds.
|
U015587
|
Lost Communication with Instrument Panel Cluster (IPC) Control Module
|
CAN communication malfunction between certification ECU (smart key ECU assembly) and combination meter assembly (1-trip detection logic*)
|
Combination meter assembly
|
DTC Output Confirmation Operation:
-
Turn the ignition switch to ON and wait at least 10 seconds.
|
U016387
|
Lost Communication with Navigation Control Module Missing Message
|
CAN communication malfunction between certification ECU (smart key ECU assembly) and radio and display receiver assembly (1-trip detection logic*)
|
Radio and display receiver assembly
|
DTC Output Confirmation Operation:
-
Turn the ignition switch to ON and wait at least 10 seconds.
|
U111087
|
Lost Communication with Intuitive Parking Assist Module Missing Message
|
CAN communication error between certification ECU (smart key ECU assembly) and clearance warning ECU assembly (1-trip detection logic*)
|
Clearance warning ECU assembly
|
DTC Output Confirmation Operation:
-
Turn the ignition switch to ON and wait at least 10 seconds.
|
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:
-
Turn the ignition switch to ON and wait at least 10 seconds.
|
-
*: Only detected while a malfunction is present.
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.
|
If the following conditions are met, it can be determined that the malfunction is not in the direct line (NE) but in the CAN communication system.
-
When the engine switch is pressed, the system controls the engine based on the engine speed signal via direct line, causing the engine to stop cranking.
-
When the engine switch is pressed and held, the system controls the engine based on the engine speed signal via direct line, causing the engine to stop cranking.
If the following conditions are met, it can be determined that there is a malfunction in both the CAN communication system and the direct line (NE).
-
When the engine switch is pressed, the engine stops cranking after 6 seconds.
-
When the engine switch is pressed and held, the engine remains cranking for up to 30 seconds.
|
U014087
|
-
Doors cannot be locked or unlocked.
-
The warning (wireless buzzer) does not sound.
|
-
|
U015587
|
The warning (meter buzzer) does not sound and no warning messages displayed on the multi-information display.
|
-
|
U016387
|
"ACC customize" (ACC power source enabled) remains "ON"
|
-
|
U111087
|
There is no effect on vehicle behavior.
|
-
|
U111787
|
The engine cannot be started using the wireless remote control function.
|
-
|
Related Data List and Active Test Items
DTC No.
|
Data List and Active Test
|
U010087
U014087
U015587
U016387
U111087
U111787
|
-
|
CAUTION / NOTICE / HINT
HINT:
When the cable is disconnected and reconnected to the negative (-) auxiliary battery terminal, the power source mode returns to the state it was in before the cable was disconnected.
PROCEDURE
(a) Check for DTCs and note any DTCs that are output.
Result
|
Proceed to
|
U010087, U014087, U015587, U016387, U111087 or U111787 is output
|
A
|
U010087, U014087, U015587, U016387, U111087 and U111787 are output
|
B
|
B |
|
GO TO DIAGNOSTIC TROUBLE CODE CHART
|
A
|
|
|
(a) Clear the DTCs.
(b) Turn the ignition switch off.
NEXT
|
|
|
(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, U014087, U015587, U016387, U111087 or U111787 is output
|
A
|
U010087, U014087, U015587, U016387, U111087 and U111787 are not output
|
B
|
|