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C0046 Chassis

Right Front Wheel Speed Sensor Circuit Intermittent

Intermittent open or short on the right front wheel speed sensor circuit. Wheel-speed signals feed ABS, ESC, traction control, transmission and odometer — a single dropped signal disables all of these safety functions until repaired.

Affected components

  • Wheel speed sensor fr
  • Sensor wiring

Common causes

  • High likelihood: Connector unseated
  • Medium likelihood: Wire chafe on bracket
  • Low likelihood: Connector with intermittent contact under vibration

Possible symptoms

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

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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