Chevy S10 C0040: Meaning, Causes, + Likely Fix
C0040 is a chassis trouble code that occurs in the Chevy S10. GM designated C0040 to indicate an issue with the right front wheel speed sensor. Replacing your S10’s right front wheel speed sensor is the most common repair for C0040, but it’s not the only one. Wiring harness issues are common with this code. … Read more