Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Diagnostic Trouble Code Chart

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual / Steering / Steering Column / Power Tilt And Power Telescopic Steering Column System / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Power Tilt and Power Telescopic Steering Column System

DTC No.

Detection Item

DTC Detection Condition

Link

B2603

Tilt and Telescopic Manual Switch Circuit Malfunction

When operating the tilt and telescopic switch, an abnormal voltage value is sent to the multiplex tilt and telescopic ECU.

B2610

Tilt Position Sensor or Tilt Motor Circuit Malfunction

Tilt operation stops within the operation range while operating.

B2611

Telescopic Position Sensor or Telescopic Motor Circuit Malfunction

Telescopic operation stops within the operation range while operating.

B2620

ECU Power Source Circuit Malfunction

The voltage of the ECU power source drops to 8 V or less and this condition continues for 10 seconds or more.

B2624

Vehicles Speed Malfunction
  • The auto away function is disabled with the last vehicle speed signal (If the engine switch is turned off immediately after the vehicle comes to a sudden stop, the last vehicle speed signal may not be 0 km/h (0 mph).) of 10 km/h (6 mph) or more.
  • The vehicle speed signal is lost for 5 seconds or more and the auto away/return function is disabled.

U0142

Lost Communication with Main Body ECU

Lost communication with main body ECU (multiplex network body ECU)

U0208

Lost Communication with "Seat Control Module A"

Lost communication with position control ECU and switch assembly LH

    Diagnosis System
    DIAGNOSIS SYSTEM DESCRIPTION (a) When troubleshooting a vehicle with the diagnostic system, the only difference from the usual troubleshooting procedure is connecting the Techstream to the vehicle and ...

    Dtc Check / Clear
    DTC CHECK / CLEAR CHECK DTC (a) Turn the engine switch off. (b) Connect the Techstream to the DLC3. (c) Turn the engine switch on (IG). (d) Turn the Techstream on. (e) Enter the following menus: Body ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Airbag System: Short in Curtain Shield Airbag (RH) Squib Circuit (B1830-B1833)
    DESCRIPTION The curtain shield squib RH circuit consists of the airbag sensor assembly and curtain shield airbag assembly RH. The airbag sensor assembly uses this circuit to deploy the airbag when deployment conditions are met. These DTCs are stored when a malfunction is detected in the curtain shie ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Dynamic Radar Cruise Control System: Software Incompatibility with Body Control Module Invalid/Incompatible Software Component (U032257)
    DESCRIPTION If the vehicle information stored in the forward recognition camera does not match the vehicle information sent from the main body ECU (multiplex network body ECU), the forward recognition camera stores DTC U032257. DTC No. Detection Item DTC Detection Condition Trouble Area M ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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