Title: THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function): B2782; Power Source Control ECU Malfunction; 2023 - 2024 MY Camry [08/2022 - ]
DTC
B2782
Power Source Control ECU Malfunction
DESCRIPTION
As this DTC is not normally output, it may be due to noise in the LIN communication system, etc.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
B2782
Power Source Control ECU Malfunction
Noise in the LIN communication system, etc.
ID code box (immobiliser code ECU)
DTC Output Confirmation Operation:
No confirmation operation is necessary (monitoring is continuous)
Vehicle Condition and Fail-safe Function when Malfunction Detected
Vehicle Condition when Malfunction Detected
Fail-safe Function when Malfunction Detected
The engine cannot be started.
Prohibits the engine from being started (the engine does not crank).
Related Data List and Active Test Items
DTC No.
Data List and Active Test
B2782
-
CAUTION / NOTICE / HINT
NOTICE:
When using the Techstream with the engine switch off, connect the Techstream to the vehicle and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then select Model Code "KEY REGIST" under manual mode and enter the following menus: Body Electrical / Smart Key. While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.
The smart key system (for Start Function) uses the LIN communication system and CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the smart key system (for Start Function) after confirming that the communication systems are functioning properly.
Click here
When disconnecting the cable from the negative (-) auxiliary battery terminal, some systems need to be initialized after the cable is reconnected.
Click here
Before replacing the ID code box (immobiliser code ECU), refer to Registration.