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2019 JEEP CHEROKEE
3.2L V6•AWD•AUTOMATIC•gas
11 active safety recalls on this vehicle — view recalls
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Repairs0Labor983Torque6821Fluid17DTC2344Battery2Maintenance0Recalls11
P0231high severityPowertrain

Fuel Pump Secondary Circuit Low

on 2019 Jeep Cherokee 3.2L V6 · AWD

What this code means

Low voltage in the fuel pump secondary (output) circuit.

Symptoms

  • Engine stalling
  • No start
  • Loss of power at high RPM

Common causes

  • Fuel pump failing
  • Corroded connector
  • High resistance wiring
  • Weak battery during cranking

Diagnostic steps

  1. Test voltage at pump connector
  2. Check connector
  3. Measure current draw

Repair notes

Replace fuel pump or repair wiring.

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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