Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001AOQI
Model Year Start: 2019 Model: Avalon Prod Date Range: [04/2018 - 08/2021]
Title: PRE-COLLISION: PRE-COLLISION SYSTEM (for Gasoline Model): C1A64; Brake Control Signal Mismatch; 2019 - 2021 MY Avalon [04/2018 - 08/2021]

DTC

C1A64

Brake Control Signal Mismatch

DESCRIPTION

The skid control ECU (brake actuator assembly) sends signals to the driving support ECU assembly according to the brake control status. If the driving support ECU assembly receives an electronically controlled brake system malfunction signal from the skid control ECU (brake actuator assembly), it will store DTC C1A64.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1A64

Brake Control Signal Mismatch

While the engine switch is on (IG), the driving support ECU assembly receives an electronically controlled brake system malfunction signal from the skid control ECU (brake actuator assembly) continuously for 0.5 seconds or more.

Electronically controlled brake system

CAUTION / NOTICE / HINT

NOTICE:

The pre-collision system uses the CAN communication system. First, confirm that there are no malfunctions in the CAN communication system. Refer to How to Proceed with Troubleshooting.

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

PROCEDURE

1.

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM

HINT:

If DTC C1A64 is output by the pre-collision system, perform troubleshooting for the electronically controlled brake system.

Click here 2019 - 2021 MY Avalon [04/2018 - 08/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

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