Back to 2016 Infiniti Q70

2016 INFINITI Q70

3.7L V6RWDAUTOMATICgas
1 active safety recall on this vehicle — view recalls
Repairs0Labor505Torque4921Fluid7DTC916Battery0Maintenance0Recalls1
P0231high severityPowertrain

Fuel Pump Secondary Circuit Low

on 2016 Infiniti Q70 3.7L V6 · RWD

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.

Other Powertrain codes on this vehicle

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