OBD Codes List

Diagnostic reference · C065D

C065D

Right Front Wheel Speed Sensor B Correlation

System
Chassis control (C code)
Lamp
ABS Light
Category
Chassis

What it means

C065D means Right Front Wheel Speed Sensor B Correlation.

Where it lives

For C065D, the part to look at first is the sensor named here.

Check these first

  • A right front wheel speed sensor B reading a different speed than the others
  • A mismatched right front wheel speed sensor B or tone ring
  • A tire size or pressure mismatch on the right front wheel
  • A damaged right front wheel speed B tone ring
  • An ABS module that cannot correlate right front wheel speed B

What to do next

  1. Read all four wheel speed sensors with a scan tool during a road test
  2. Check right front tire size and pressure against the other wheels
  3. Inspect the right front wheel speed B tone ring for damage
  4. Check the right front wheel speed sensor B for the correct part
  5. Replace the mismatched right front wheel speed sensor B or tone ring
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.