| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM100000001GVYJ |
| Model Year Start: 2020 | Model: Corolla | Prod Date Range: [01/2019 - 09/2022] |
| Title: NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): B1003; ECU Malfunction; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022] | ||
|
DTC |
B1003 |
ECU Malfunction |
DESCRIPTION
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Note |
|---|---|---|---|---|
|
B1003 |
ECU Malfunction |
A malfunction in the non-volatile storage of the central gateway ECU (network gateway ECU) is detected. |
Central gateway ECU (network gateway ECU) |
- |
PROCEDURE
|
1. |
RECONFIRM DTC OUTPUT |
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Central Gateway / Trouble Codes.
Body Electrical > Central Gateway > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTC B1003 is not output from the central gateway ECU (network gateway ECU) |
A |
|
DTC B1003 is output from the central gateway ECU (network gateway ECU) |
B |
| A |
|
| B |
|
|
|