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C0309 Chassis

Outlet Valve Rear Right Performance

The rear right outlet solenoid valve does not respond hydraulically as expected.

Affected components

  • Abs solenoid valve rr
  • Abs hydraulic block

Common causes

  • High likelihood: Valve stuck
  • Medium likelihood: Coil resistance drift

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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