Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001HG97
Model Year Start: 2019 Model: RAV4 Prod Date Range: [02/2019 - 12/2021]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): C1440; Steering Angle Sensor Unusual Bank Angle Detected; 2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021]

DTC

C1440

Steering Angle Sensor Unusual Bank Angle Detected

DESCRIPTION

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

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

DTC No.

Detection Item

INF Code

DTC Detection Condition

Trouble Area

Note

C1440

Steering Angle Sensor Unusual Bank Angle Detected

-

Driving at a steep bank angle.

Yaw rate and acceleration sensor (Airbag ECU assembly)

-

PROCEDURE

1.

CHECK DTC

(a) Clear the DTCs.

Click here 2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DTC CHECK / CLEAR

Chassis > ABS/VSC/TRAC > Clear DTCs

(b) Turn the ignition switch off.

(c) Perform a road test.

(d) Check if the same DTC is output.

Click here 2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DTC CHECK / CLEAR

Chassis > ABS/VSC/TRAC > Trouble Codes

Result

Proceed to

DTC C1440 is output.

A

DTC C1440 is not output.

B

Yaw rate and acceleration sensor DTCs are output.

C

B

END

C

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS 2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART 2020 MY RAV4 RAV4 HV [10/2019 - 06/2020]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART 2020 MY RAV4 RAV4 HV [06/2020 - 08/2020]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART

A

2.

CLEAR DTC

(a) Clear the DTCs.

Click here 2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DTC CHECK / CLEAR

Chassis > ABS/VSC/TRAC > Clear DTCs

HINT:

  • If the skid control ECU (brake booster with master cylinder assembly) determines that the vehicle is being driven at a steep bank angle, the skid control ECU (brake booster with master cylinder assembly) stores DTC C1440 while VSC operation is temporarily disabled.
  • This is not a malfunction if the system and sensor circuits are normal and if normal VSC operation resumes.
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END