C0410
Adaptive Cruise Control Sensor Circuit Malfunction
The adaptive cruise control module has detected a fault in its forward-looking radar or lidar sensor circuit. ACC and forward collision warning are unavailable while the fault is active.
- Check engine light: Not always
- Emissions related: No
- Repair difficulty: medium
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Common causes
Ordered by how often each turns out to be the cause.
- Radar sensor blocked by snow, ice or dirtCommon
- Sensor misaligned after front-end impactPossible
- Radar/lidar sensor failedPossible
Parts involved
- Acc Radar Sensor
- Acc Module
- Sensor Wiring
C0410 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.