LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2020 >> UX 200 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 31 (Smart Access System W/ Push-Button Start (Start Function) (Diagnostic Codes & Symptom Tests (1 Of 2)) (Hybrid)) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function, HV Model) >> DTC B2782: Power Source Control ECU Malfunction [07/2022 - ] >> Description

DTC B2782: Power Source Control ECU Malfunction [07/2022 - ]: Description

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus UX 250h, 2023 Lexus UX 250h, 2022 Lexus UX 250h, 2021 Lexus UX 250h, and 2020 Lexus UX 250h. However, it is still accessible from the selected car via links, so may be relevant.

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 One of the following conditions is met (1-trip detection logic (Only output while a malfunction ispresent and the engine switch is on (IG).)):
  1. Noise in the LIN communication system, etc.
ID code box (immobiliser code ECU) DTC Output Confirmation Operation:
  1. 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 -