Toyota Tundra Service Manual: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Trailer Brake Control Sysytem

DTC No.

Detection Item

INF Code

Link

C1241

Power Supply Voltage Circuit

81

82

C1245

Acceleration Sensor Output Malfunction

-

C1380

Stop Light Control Relay Malfunction

-

C13A9

Brake System Malfunction

-

C14A0

Slider Switch Circuit

11

12

13

14

C14A1

Gain Rocker Switch (+) Circuit

21

C14A2

Gain Rocker Switch (-) Circuit

31

C14A4

Output Circuit Temperature High / Over Current

-

C14A6

Output Circuit Negative Voltage

61

62

C14A7

ECU Malfunction

71

72

73

74

C14AA

ECU Malfunction(FET High Temperature)

-

U0073

Control Module Communication Bus "A" Off

-

U0123

Lost Communication with Yaw Rate Sensor Module

-

U0129

Lost Communication with Brake System Control Module

-

U0155

Lost Communication With Instrument Panel Cluster (IPC) Control Module

-

    Diagnosis System

    Dtc Check / Clear

    See More:

    Toyota Tundra Service Manual > Vehicle Stability Control System: Master Cylinder Pressure Sensor Malfunction (C1246)
    DESCRIPTION The master cylinder pressure sensor is connected to the skid control ECU in the brake actuator assembly. DTC No. Detection Item DTC Detection Condition Trouble Area C1246 Master Cylinder Pressure Sensor Malfunction When the skid control ECU receives a master cylinder pressure sensor powe ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.0333