Toyota Tundra Service Manual: Fail-safe Chart

Toyota Tundra Service Manual / Brake / Brake Control / Dynamic Control Systems / Trailer Brake Control System / Fail-safe Chart

FAIL-SAFE CHART

1. FAIL-SAFE OPERATION CHART

DTC Code

Gain Value Setting

Output When Brake Pedal Operated

Output When Manual Trailer Brake Output Slider Operated

Each Cooperative Control

(anti-lock brake system, hill-start assist control, trailer sway control, pre-collision system* and dynamic radar cruise control system*)

Warning

C1241

○

X

X

X

Displayed

C1245

○

X

○

X

Displayed

C1380

○

X

X

X

Displayed

C14A0

○

X

X

X

Displayed

C14A1

X

X

X

X

Displayed

C14A2

X

X

X

X

Displayed

C14A4

○

X

X

X

Displayed

C14A6

○

X

X

X

Displayed

C14A7

○ or X

X

X

X

Displayed

C13A9

○

X

○

X

Displayed

C14AA

○

X

X

X

Displayed

U0073

○

X

○

X

Displayed

U0123

○

X

○

X

Displayed

U0129

○

X

○

X

Displayed

U0155

○

X

X

X

Displayed

HINT:

○: Function continues

X: Function prohibited

  • *: w/ Dynamic Radar Cruise Control System
    Dtc Check / Clear

    Freeze Frame Data

    See More:

    Toyota Tundra Service Manual > Side Airbag Sensor(for Crewmax): On-vehicle Inspection
    ON-VEHICLE INSPECTION PROCEDURE 1. CHECK REAR AIRBAG SENSOR (VEHICLE NOT INVOLVED IN COLLISION) (a) Perform a diagnostic system check (see page ). 2. CHECK REAR AIRBAG SENSOR (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED) (a) Perform a diagnostic system check (see page ). (b) When the q ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.0217