Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: CAN Communication Failure (Message Registry) (U1000)

Control Module Communication Bus Off (U0073,U0100,U0126,U0129,U0140,U0163,U0233,U0265-U0268,U1110)

DESCRIPTION These DTCs are stored if there is a malfunction in the CAN communication system connected to the parking assist ECU. HINT: If CAN communication system DTCs are stored, they may also be sto ...

"CHK" message(s) are displayed on the SIGNAL CHECK screen.

DESCRIPTION On the SIGNAL CHECK screen, it is possible to check if the signals sent to the parking assist ECU are normal. Click here HINT: On the SIGNAL CHECK screen, "OK" (blue) is displayed for ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Check Bus 3 Line for Short to GND
DESCRIPTION There may be a short circuit between one of the CAN bus lines and GND when there is no resistance between terminal 6 (CA3H) of the network gateway ECU and terminal 4 (CG) of the DLC3, or terminal 21 (CA3L) of the network gateway ECU and terminal 4 (CG) of the DLC3. Symptom Trouble A ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Front Power Seat Control System (w/ Memory): Power Seat Position is not Memorized
DESCRIPTION The main body ECU (multiplex network body ECU) receives seat memory switch LH signals from the outer mirror control ECU assembly via CAN communication. If the SET switch is being pressed when one of the M1, M2 or M3 switches is pressed, or if one of the M1, M2 or M3 switches is pressed w ...