DTC C1440: Steering Angle Sensor Unusual Bank Angle Detected [08/2019 - ]: Description

If the skid control ECU determines that the vehicle is being driven at a steep bank angle, the skid control ECU 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.

HINT: 

DTC C1440 and the yaw rate and acceleration sensor (air bag sensor assembly) DTC are stored when the skid control ECU determines that the vehicle is being driven at a steep bank angle and either of the following conditions is met:

• The air bag sensor assembly is installed at an angle.
• The air bag sensor assembly signal output is stuck.