C0410high severityChassis
ACC Radar Module Internal Fault
on 2015 Kia Forte 1.8L 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.
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