Lexus NX: 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 power 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 front power seat switch

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 Tilt and Telescopic Manual Switch Circuit Malfunction (B2603)

DESCRIPTION Different voltage values are sent to the multiplex tilt and telescopic ECU by operating the tilt and telescopic switch. The multiplex tilt and telescopic ECU then judges which motor and in

 Tilt Position Sensor or Tilt Motor Circuit Malfunction (B2610)

DESCRIPTION The tilt motor is operated by the power source voltage supplied from the multiplex tilt and telescopic ECU and tilts the steering column up and down. The tilt position sensor (Hall IC) in

 Telescopic Position Sensor or Telescopic Motor Circuit Malfunction (B2611)

DESCRIPTION The telescopic motor is operated by the power source voltage supplied from the multiplex tilt and telescopic ECU and slides the steering column forward and backward. The telescopic positio

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 Short in Motor Circuit (C1521-C1524,C1528,C1531-C1555)

DESCRIPTION The power steering ECU assembly detects steering force using the signal received from the steering torque sensor, and also monitors the motor circuit for errors. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition Note

 Removal

REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The following procedure is for the LH side. NOTICE: When the brake pedal is first depressed after replacing the brake pads or pushing back the disc brake piston, DTC C1214 may be output. As there is no m

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