Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001GZ0S
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 - 09/2022]
Title: CRUISE CONTROL: FRONT RADAR SENSOR SYSTEM (for HV Model): DIAGNOSTIC TROUBLE CODE CHART; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]

DIAGNOSTIC TROUBLE CODE CHART

Front Radar Sensor System

DTC No.

Detection Item

Link

C1A1100

Front Radar Sensor Optical Axis Misalignment Malfunction

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; CRUISE CONTROL: FRONT RADAR SENSOR SYSTEM (for HV Model): C1A1100; Front Radar Sensor Optical Axis Misalignment Malfunction

C1A8C46

Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; CRUISE CONTROL: FRONT RADAR SENSOR SYSTEM (for HV Model): C1A8C46,C1A8D1C,C1A9000,C1A9100; Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure

C1A8D1C

Power Supply Circuit in Front Radar Sensor Circuit Voltage Out of Range

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; CRUISE CONTROL: FRONT RADAR SENSOR SYSTEM (for HV Model): C1A8C46,C1A8D1C,C1A9000,C1A9100; Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure

C1A9000

Malfunction of Millimeter-wave Circuit in Front Radar Sensor

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; CRUISE CONTROL: FRONT RADAR SENSOR SYSTEM (for HV Model): C1A8C46,C1A8D1C,C1A9000,C1A9100; Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure

C1A9100

Malfunction of Acceleration Sensor in Front Radar Sensor

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; CRUISE CONTROL: FRONT RADAR SENSOR SYSTEM (for HV Model): C1A8C46,C1A8D1C,C1A9000,C1A9100; Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure

U010487

Lost Communication with Cruise Control Module Missing Message

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; CRUISE CONTROL: FRONT RADAR SENSOR SYSTEM (for HV Model): U010487; Lost Communication with Cruise Control Module Missing Message

U030557

Software Incompatibility with Cruise Control Module Invalid/Incompatible Software Component

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; CRUISE CONTROL: FRONT RADAR SENSOR SYSTEM (for HV Model): U030557; Software Incompatibility with Cruise Control Module Invalid/Incompatible Software Component