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2012 TOYOTA AVALON

3.5L V6FWDAUTOMATICgas
4 active safety recalls on this vehicle — view recalls
Repairs0Labor469Torque2476Fluid6DTC921Battery1Maintenance0Recalls4
P0230high severityPowertrain

Fuel Pump Primary Circuit Malfunction

on 2012 Toyota Avalon 3.5L V6 · FWD

What this code means

Malfunction in the fuel pump primary (relay/power supply) circuit.

Symptoms

  • Check Engine Light
  • No start condition
  • Engine stalling
  • Intermittent power loss

Common causes

  • Faulty fuel pump relay
  • Wiring damage
  • Fuel pump failure
  • Blown fuse
  • Inertia switch tripped

Diagnostic steps

  1. Check fuel pump fuse
  2. Test fuel pump relay
  3. Listen for fuel pump prime
  4. Test voltage at fuel pump connector
  5. Check inertia switch (Ford)

Repair notes

Check fuse and relay first. Replace fuel pump if no voltage issue found.

Other Powertrain codes on this vehicle

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