Toyota Tundra Service Manual: Front Radar Sensor (C1A10)

Toyota Tundra Service Manual / Engine, Hybrid System / Cruise Control / Dynamic Radar Cruise Control System / Front Radar Sensor (C1A10)

DESCRIPTION

C1A10 is output when there is an internal malfunction in the millimeter wave radar sensor assembly.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1A10

Front Radar Sensor

While the vehicle speed is 36 km/h (22 mph) or more and the dynamic radar cruise control system is operating, the internal malfunction of the millimeter wave radar sensor assembly continues for 0.3 seconds or more.
  • Millimeter wave radar sensor assembly

CAUTION / NOTICE / HINT

NOTICE:

  • When replacing the millimeter wave radar sensor assembly, make sure to replace it with a new one. If a device which was installed to another vehicle is used, the information stored in the millimeter wave radar sensor assembly will not match the information from the vehicle, and as a result, a DTC may be stored.
  • When the millimeter wave radar sensor assembly is replaced with a new one, adjustment of the radar sensor beam axis must be performed.

    Click here

PROCEDURE

1.

REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY

(a) Replace the millimeter wave radar sensor assembly with a new one.

Click here

(b) Perform millimeter wave radar sensor assembly adjustment.

Click here

NEXT

2.

CLEAR FOR DTCs (RADAR CRUISE 2)

(a) Clear the DTCs.

Click here

NEXT

END (MILLIMETER WAVE RADAR SENSOR ASSEMBLY WAS DEFECTIVE)
    Skid Control Buzzer Circuit (C1A4A)

    Front Radar Sensor Incorrect Axial Gap (C1A11,C1A14)

    See More:

    Toyota Tundra Service Manual > Valve Body Assembly: Installation
    INSTALLATION PROCEDURE 1. INSTALL TRANSMISSION VALVE BODY ASSEMBLY (a) Install the spring and check ball body. (b) Align the hole of the manual valve with the pin of the lever and connect the pin to the manual valve. (c) Install the valve body with the 19 bolts. Torque: 11 N·m {112 kgf·cm, 8 ft·l ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2025 Copyright www.ttundra.com
    0.0344