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C0565 Chassis

ABS Control Module System Voltage High

ABS control module system voltage above the safe operating range.

Affected components

  • Abs module
  • Charging system

Common causes

  • High likelihood: Alternator regulator failed

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
  • Reduced-power or limp mode may occur

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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