DESCRIPTION
This DTC is stored when items controlled by the main body ECU (multiplex network body ECU) cannot be customized via the audio and visual system vehicle customization screen.
HINT:
The main body ECU (multiplex network body ECU) controls the front power seat control system (w/ Memory) related items that are customizable via the multi-display assembly screen.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
B15F8 | D-Seat ECU Vehicle Information Reading/Writing Process Malfunction | Main body ECU (multiplex network body ECU) vehicle setting processing malfunction |
|
CAUTION / NOTICE / HINT
NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.
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PROCEDURE
1. | CHECK CAN COMMUNICATION SYSTEM |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
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OK:
CAN communication DTCs are not output.
NG | ![]() | GO TO CAN COMMUNICATION SYSTEM |
|
2. | CHECK FRONT POWER SEAT CONTROL SYSTEM (w/ Memory) |
(a) Check if the front power seat control system (w/ Memory) is malfunctioning.
Click here
HINT:
Customization may not be possible depending on the malfunction in the front power seat control system (w/ Memory).
OK:
No malfunctions are present in the front power seat control system (w/ Memory).
NG | ![]() | GO TO FRONT POWER SEAT CONTROL SYSTEM (w/ Memory) |
|
3. | CLEAR DTC |
(a) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
|
4. | CHECK FOR DTC |
(a) Recheck for DTCs.
Body Electrical > Navigation System > Trouble Codes Result | Proceed to |
---|---|
DTCs are not output | A |
DTCs are output | B |
A | ![]() | END |
B | ![]() | REPLACE RADIO RECEIVER ASSEMBLY |
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Power Back Door System (w/ Outside Door Control Switch): Operation Check
OPERATION CHECK OPERATION CONDITION NOTICE:
This check is possible only when the "System Settings" customize setting is set to ON on the multi-information display in the combination meter assembly. (The default setting is ON.)
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The operation check below is based on the non-customize ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Power Seat Switch(w/o Seat Position Memory System): Removal
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