P0230 on Acura
Fuel Pump Primary Circuit Malfunction
P0230 on Acura vehicles indicates fuel pump primary circuit malfunction. Au7o has documented this code across 1 Acura model — most commonly on MDX. P0230 means the engine computer detected a fault in the fuel pump primary circuit — the control side that switches the fuel pump (or its relay) on and off. The PCM energizes this circuit to run the electric fuel pump that delivers fuel to the engine; if it sees voltage that is too high, too low, or out of expected range, it sets this code. Because the pump may not run correctly, the engine can crank without starting, stall, lose power, or hesitate. This is a circuit/control fault rather than a direct measurement of fuel pressure.
Common Causes of P0230
- •Faulty fuel pump relay
- •Damaged wiring or connectors in the fuel pump control circuit
- •Corroded or loose ground/power connection
- •Failed fuel pump or fuel pump driver module
- •Blown fuse or fusible link
- •Open or short in the primary control wiring
- •Faulty PCM driver output (rare)
P0230 on Acura by Model
Acura MDX(1 issue)
- Fuel Pump Impeller Deformation Causing Stall (NHTSA Recall 23V-858)2018-2020
Certain 2018-2020 MDX (J35Y5 3.5L V6) and MDX Sport Hybrid (3.0L V6 hybrid) units were built with low-density, improperly molded in-tank fuel pump impellers. Surface cracking from production solvent absorption causes the impeller to swell and seize against the pump body, leading to no-start or stall while driving. Honda issued NHTSA recall 23V-858 covering ~2.5 million Honda/Acura vehicles.
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What does P0230 mean on Acura?▼
P0230 stands for "Fuel Pump Primary Circuit Malfunction." P0230 means the engine computer detected a fault in the fuel pump primary circuit — the control side that switches the fuel pump (or its relay) on and off. The PCM energizes this circuit to run the electric fuel pump that delivers fuel to the engine; if it sees voltage that is too high, too low, or out of expected range, it sets this code. Because the pump may not run correctly, the engine can crank without starting, stall, lose power, or hesitate. This is a circuit/control fault rather than a direct measurement of fuel pressure. On Acura specifically, this code is documented across 1 model.
What causes P0230 on Acura vehicles?▼
Common causes on Acura: Faulty fuel pump relay, Damaged wiring or connectors in the fuel pump control circuit, Corroded or loose ground/power connection, Failed fuel pump or fuel pump driver module, Blown fuse or fusible link. Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P0230 on a Acura?▼
Repair costs vary widely depending on the root cause and specific Acura model.
Which Acura models have P0230 documented?▼
Au7o has documented P0230 on 1 Acura model: MDX.