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C0664 Chassis

Left Rear Wheel Speed Sensor B Correlation

Left Rear Wheel Speed Sensor B Correlation: the value does not correlate with the related sensor or expected pattern. Wheel-speed signals feed ABS, ESC, traction control and the speedometer.

Affected components

  • Lr wss b
  • Lr wss

Common causes

  • High likelihood: Sensor or tone ring fault

Possible symptoms

  • ABS warning light on
  • ESC/stability control deactivated
  • Possible reduced brake assist
  • Speedometer may behave erratically

Diagnostic notes

  • The malfunction indicator lamp may illuminate
  • A drive cycle may be required after repair
  • Reduced-power or limp mode may occur

Related codes

Sources

Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.

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