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 normal VSC operation resumes.
PROCEDURE
(a) Clear the DTCs. Click here Chassis > ABS/VSC/TRAC > Clear DTCs(b) Turn the power switch off. (c) Turn the power switch on (READY). (d) Perform a road test. (e) Check if the same DTC is output. Click here Chassis > ABS/VSC/TRAC > Trouble Codes
(a) Clear the DTCs. Click here Chassis > ABS/VSC/TRAC > Clear DTCs
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Electronically Controlled Brake System(for Gasoline Model): Dtc Check / Clear
DTC CHECK / CLEAR DTC CHECK/CLEAR (When Using TECHSTREAM) (a) Check for DTCs. (1) Turn the engine switch off. (2) Connect the Techstream to the DLC3. (3) Turn the engine switch on (IG). (4) Turn the Techstream on. (5) Read the DTCs following the prompts on the Techstream. Enter the following menus: ...