Toyota Tacoma Quiz
Brake Control / Dynamic Control Systems

Unusual Bank Angle Detected (C1440)

In this manual: Brake Control / Dynamic Control Systems
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~1min read
DESCRIPTION

If the skid control ECU (brake actuator assembly) determines that the vehicle is being driven at a steep bank angle, the skid control ECU (brake actuator assembly) stores DTC C1440 while VSC operation is temporarily disabled.

This is not a malfunction if the system and sensor circuits are normal and normal VSC operation resumes.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1440

Steering Angle Sensor Unusual Bank Angle Detected

Driving at a steep bank angle

Yaw rate and acceleration sensor (Airbag sensor assembly)
PROCEDURE

  1. CHECK DTC

(a) Clear the DTCs (See page ). (b) Turn the ignition switch off. ).

(b) Turn the ignition switch off.

(c) Start the engine.

(d) Perform a road test.

(e) Check if the same DTC is recorded (See page Result Result ).

Result

Result

Proceed to

DTC C1440 is output

A

DTC C1440 is not output

B

Yaw rate and acceleration sensor DTC is output

C
B

END
C

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS
A

  1. CLEAR DTC

(a) Clear the DTCs (See page ). ).

HINT:

  • If the skid control ECU (brake actuator assembly) determines that the vehicle is being driven at a steep bank angle, the skid control ECU (brake actuator assembly) stores DTC C1440 while VSC operation is temporarily disabled.
  • It is not a malfunction if the system and sensor circuits are normal and if the normal VSC operation resumes, which automatically clears DTC C1440, after the vehicle is returned to a normal position.
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