ABS and brakes codes
Wheel speed and anti-lock brake codes. Pick your code for what it means, whether you can drive, common causes and what the repair usually costs.
| Code | What it means | Drive? | Typical, Boston |
|---|---|---|---|
| C0031 | Left front wheel speed sensor signal fault | Short trips | $120 to $360 |
| C0035 | Left front wheel speed sensor signal fault | Short trips | $120 to $360 |
| C0040 | Right front wheel speed sensor signal fault | Short trips | $120 to $360 |
| C0045 | Left rear wheel speed sensor signal fault | Short trips | $120 to $360 |
| C0110 | ABS pump motor circuit fault | Short trips | $550 to $1,775 |
| C0161 | ABS or traction brake switch circuit fault | Short trips | $60 to $290 |
| C0265 | ABS motor relay circuit fault | Short trips | $550 to $1,775 |
| C0300 | Rear wheel speed sensor signal fault | Short trips | $120 to $360 |
| C0561 | ABS system disabled or module fault | Short trips | $550 to $1,775 |
| C1201 | Engine control fault shown on ABS side | Short trips | $60 to $290 |
Typical range, estimate, for the most common repair for each code. Prices updated October 2026. Not a repair shop, estimates only.