DESCRIPTION
The power steering ECU assembly receives signals from the ECM, skid control ECU (brake actuator assembly) and forward recognition camera (w/ forward recognition camera system) via CAN communication.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | Return-to-normal Condition | Note |
---|---|---|---|---|---|---|
U0100 | Lost Communication with ECM / PCM "A" | Lost communication with ECM |
| EPS warning light: Does not come on | The ECU judges the system has returned to normal or the power switch is turned on (IG) again | - |
U0129 | Lost Communication with Brake System Control Module | Lost communication with skid control ECU (Brake actuator assembly) |
| EPS warning light: Comes on | The ECU judges the system has returned to normal or the power switch is turned on (IG) again | - |
U023A | Lost Communication with Front Camera Module | Lost communication with forward recognition camera |
| EPS warning light: Comes on | The ECU judges the system has returned to normal or the power switch is turned on (IG) again | - |
PROCEDURE
1. | GO TO CAN COMMUNICATION SYSTEM |
(a) Go to CAN communication system.
Click here
NEXT | ![]() | END |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Telematics System: Parts Location
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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Power Steering System: Assist Map Number Mismatch (C1582)
DESCRIPTION When an incorrect ECM, main body ECU (multiplex network body ECU) or skid control ECU (brake actuator assembly) is installed after the assist map has been written to the power steering ECU assembly, DTC C1582 is stored because the information stored in the power steering ECU assembly doe ...