Code
C0561
ABS
ABS system voltage out of range
The ABS module sees voltage outside the expected range.
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Most likely causes
- Weak battery
- Charging system fault
- Bad ground
Symptoms you may notice
- ABS light
- Intermittent ABS function
Checks to run
- Test battery and charging
- Check ABS module grounds
Tools you may need
Multimeter
Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.