P0230 is a diagnostic trouble code (DTC) for “Fuel Pump Primary Circuit Malfunction“. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.
What is diagnostic code P0230?
Diagnostic trouble code (DTC) P0230 stands for “Fuel Pump Primary Circuit.” This code sets when the powertrain control module (PCM) detects a signal to or from the fuel pump that does not match the expected values.
Where is fuel pump relay?
Location. Most fuel-pump relay units are located under the dashboard near the steering column. In some cases, the unit is located in the area where the steering column is mounted or near the engine’s firewall.
What does fuel pump primary circuit mean?
OBD-II Code P0230 is defined as a Fuel Pump Primary Circuit. The Fuel Pump enables the transfer of fuel from the fuel tank to the fuel injectors in the engine. The Fuel Pump is controlled by the engine computer (PCM) or the Fuel Pump Control Module (most newer vehicles).
Is there an engine code for fuel pump?
When your vehicle’s Engine Control M (ECM) records a code of P0087, it means the fuel pressure in the system is below specification. Symptoms of a P0087 diagnostic trouble code may include a misfire because of a lean fuel condition, and the vehicle might run rough or lack power on acceleration.
How do I fix code P0230?
What repairs can fix the P0230 code?
- Repairing or replacing the fuel pump fuse or fusible link, and replacing the fuel pump.
- Replacing the fuel pump relay.
- Replacing the fuel pump only.
What is a fuel pump relay control circuit?
The ECM grounds the fuel pump relay control or primary circuit, which then feeds power to the fuel pump using the power or secondary circuit. On some vehicles, turning the key on will turn the pump, on for a few seconds, to prime the system.
Where is the reset button for fuel pump?
Once the vehicle determines the systems are safe, then the vehicle allows you to restart. The fuel pump shut-off switch is located behind an access panel on the right side of the luggage compartment. The fuel pump shut-off switch has a red reset button on top of it.
How do I reset my fuel pump?
Where is the reset button on a fuel pump? Push the button on the inertial switch; it should be clearly marked as the fuel pump reset, and may be in a contrasting color to the case. You may need to turn the ignition key to the on or accessory position to energize the module and reset the switch.
What are the signs of a fuel pump relay going bad?
Bad Fuel Pump Relay Symptoms
- Check Engine Light. …
- Car Won’t Start. …
- Rough Idle & Engine Stalls. …
- Bad Fuel Pump. …
- Poor Engine Performance. …
- Silent Fuel Pump Noise. …
- Burnt Fuel Pump Relay. …
- Exhaust System Issues.
How do I fix code P0232?
What repairs can fix the P0232 code?
- Replacing the fuel pump relay if it is making a connection on the secondary side of the relay after the ignition is turned off.
- Repairing the fuel pump relay connector if shorted to power on the secondary side.
- Replacing the battery after the relay is replaced, if it will not recharge.
How do I fix the code P0200?
What repairs can fix the P0200 code?
- Fuel injector replacement.
- Fixing or replacing wiring issues.
- Repairing connection issues.
- Replacement of ECM.