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2003 LEXUS GS 430

4.3L V8RWDAUTOMATICgas
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Repairs0Labor563Torque3455Fluid7DTC734Battery0Maintenance0Recalls0
P0232high severityPowertrain

Fuel Pump Secondary Circuit High

on 2003 Lexus GS 430 4.3L V8 · RWD

What this code means

High voltage in the fuel pump secondary circuit.

Symptoms

  • Check Engine Light
  • Fuel pump running continuously

Common causes

  • Short to power
  • Relay stuck closed
  • Wiring issue

Diagnostic steps

  1. Test voltage
  2. Check relay
  3. Inspect wiring

Repair notes

Repair short or replace relay.

Other Powertrain codes on this vehicle

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