Toyota Tundra Service Manual: Diagnostic Trouble Code Chart



If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to "See page" below.

Power Tilt and Power Telescopic Steering Column System

DTC Code

Detection Item

DTC Detection Condition

See page


Tilt and Telescopic Manual Switch Circuit Malfunction

When operating the tilt and telescopic switch (headlight dimmer switch assembly), an abnormal voltage value is sent to the multiplex tilt and telescopic ECU.


Tilt Position Sensor or Tilt Motor Circuit Malfunction

Tilt operation stops within the operation range while operating.


Telescopic Position Sensor or Telescopic Motor Circuit Malfunction

Telescopic operation stops within the operation range while operating.


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.


Vehicles Speed Malfunction

  • The auto away function is disabled with the last vehicle speed signal (If the ignition 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.


Lost Communication with Main Body ECU

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


Lost Communication with "Seat Control Module A"

Lost communication with front power seat switch LH

    Diagnosis System

    Dtc Check / Clear

    See More:

    Toyota Tundra Service Manual > Navigation System: Terminals Of Ecu
    TERMINALS OF ECU 1. NAVIGATION RECEIVER ASSEMBLY Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition J133-1 (FR+) - J133-7 (GND1) LA-LG - BR*1 W - BR*2 Sound signal (Front right) Audio system playing A waveform synchronized with sound is output J133-2 (FL+) - J133-7 ...

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