C0410high severityChassis
ACC Radar Module Internal Fault
on 2020 Ford Focus 2.0L I4 · FWD
What this code means
Internal failure within the adaptive cruise control radar module.
Symptoms
- ACC disabled
- Forward collision system down
- All radar-dependent features inactive
- Warning lights for multiple driver assist systems
Common causes
- Radar module internal component failure
- Module overheating
- Software corruption
- Voltage spike damage
Diagnostic steps
- Check module power supply
- Inspect for overheating signs
- Attempt module reset
- Check for software updates
- Test with known-good module if available
Repair notes
Replace ACC radar module. Requires alignment calibration after installation.
Other Chassis codes on this vehicle
C0021
LF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0025
LF Wheel Speed Sensor Circuit Intermittent
C0026
RF Wheel Speed Sensor Circuit Intermittent
C0027
LR Wheel Speed Sensor Circuit Intermittent
C0028
RR Wheel Speed Sensor Circuit Intermittent
C0035
Left Front Wheel Speed Sensor Circuit
C0036
Left Front Wheel Speed Signal Erratic