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P2B69 Powertrain

Coolant Pump D Supply Voltage Circuit

Coolant pump D reports a supply voltage circuit condition. Coolant circulation through the affected loop cannot be commanded reliably.

Affected components

  • Coolant pump d
  • Wiring harness
  • Ecm

Common causes

  • High likelihood: Supply fuse blown
  • Medium likelihood: Wiring or connector fault

Diagnostic notes

  • The malfunction indicator lamp may illuminate
  • 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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