P0231 High Powertrain

Fuel Pump Secondary Circuit Low

Common Causes

Short to ground in fuel pump circuit
Failed fuel pump
Damaged wiring harness

Common Symptoms

No Start No Fuel Pressure / Fuel System Failure

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Quick Info

Code P0231
System Powertrain
Severity High

Disclaimer

This information is for diagnostic guidance only. Always verify repairs with a qualified technician before performing safety-critical work.

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