DTC C1A8C-46: Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure; DTC C1A8D-1C: Power Supply Circuit in Front Radar Sensor Circuit Voltage Out of Range; DTC C1A90-00: Malfunction of Millimeter-wave Circuit in Front Radar Sensor; DTC C1A91-00: Malfunction of Acceleration Sensor in Front Radar Sensor [09/2020 - ]: Description
When an internal malfunction is detected in the millimeter wave radar sensor assembly, a DTC is stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1A8C-46 | Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure | When the ignition switch is ON, the millimeter wave radar sensor assembly detects an internal memory malfunction | Millimeter wave radar sensor assembly |
| C1A8D-1C | Power Supply Circuit in Front Radar Sensor Circuit Voltage Out of Range | When the ignition switch is ON, the millimeter wave radar sensor assembly detects a power source circuit malfunction | Millimeter wave radar sensor assembly |
| C1A90-00 | Malfunction of Millimeter-wave Circuit in Front Radar Sensor | When the ignition switch is ON, the millimeter wave radar sensor assembly detects an internal millimeter wave circuit malfunction | Millimeter wave radar sensor assembly |
| C1A91-00 | Malfunction of Acceleration Sensor in Front Radar Sensor | When the ignition switch is ON, the millimeter wave radar sensor assembly detects an internal acceleration sensor malfunction | Millimeter wave radar sensor assembly |