Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Lost Communication with Main Body ECU (U0142)

Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Power Mirror Control System (w/o Memory) DTC No. Detection Item Link U0142 Lost Communication with Main Body ECU ...

Driver Side Power Mirror cannot be Adjusted with Power Mirror Switch

DESCRIPTION The multiplex network master switch assembly sends the mirror adjust switch signals to the main body ECU (multiplex network body ECU) via LIN communication. The main body ECU (multiplex ne ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Air Conditioning System: Air Outlet Damper Control Servo Motor Circuit(Driver Side Front A/C Rear Air Flow) (B1486/86)
DESCRIPTION The Rear No. 1 cooling unit damper servo sub-assembly sends pulse signals to inform the air conditioning amplifier assembly of the damper position. The air conditioning amplifier assembly activates the motor (normal or reverse) based on these signals to move the Rear No. 1 cooling unit d ...

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Power Steering System: Short in Motor Circuit (C1521-C1523,C1528,C1531-C1555)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition Note C1521 Short in Motor Circuit Motor overcurrent Power steering ECU assembly EPS warning light: Comes on Engine switch on (IG) again - C1522 Pow ...