What is code P0231?
What is code P0231?
Fuel Pump Secondary Circuit Low
OBD-II Code P0231 is defined as a Fuel Pump Secondary Circuit Low. 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).
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.
How do I fix code p0231?
What does the you mean on a check engine light?
The letter “U” indicates network codes which are used for problems like module failures and losses of communication. Note: Only professional-grade or dealership scan tools are able to diagnose codes outside of powertrain codes. Step 3: Determine if the codes are Society of Automotive Engineers (SAE) codes or manufacturer-specific.
What is the DTC code on a check engine light?
Diagnostic trouble codes (DTC) are automotive computer codes stored by the on-board computer diagnostic system (OBD) in your vehicle. There are literally hundreds of different codes a Check Engine Light can represent.
Can a check engine light show an EVAP code?
Good news for consumers with vehicles not showing any signs of a fuel leak: even if your check engine light is on and you find an EVAP code via the OBD II reading, it might be a simple fix. In other cases, however, it might not be.
How to read Check Engine light ( OBD-II ) codes?
The scan tool will power up as soon as it has been plugged in. Step 3: Read the codes in the computer. Each scan tool will have different instructions on how to operate it, so read yours carefully. Navigate to a heading called “Read Codes” and select it. Step 4: Record the codes that display.
What does the p code mean on a check engine light?
Step 2: Determine the meaning of the letter. There are four possible letters that can be displayed in the first section. The letter “P” indicates powertrain-related codes such as those involving the engine or the transmission and their sensors. Typically, “P” codes are the only ones that will illuminate the Check Engine Light.
What does a ” 1 ” and ” 3 ” mean on a check engine light?
A “1” indicates a fuel or air metering system problem, such as an issue with the mass air flow sensor. A “2” refers to fuel or air metering injection system issues, such as a fuel injector problem. A “3” indicates an ignition-related problem, such as an engine misfire.
What does p0231 mean on a fuel pump?
P0231 is a diagnostic trouble code (DTC) for “Fuel Pump Secondary Circuit Low”. 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 are the symptoms of car code p0401?
Symptoms of Code P0401 1 Check Engine Light 2 Failed emissions test 3 Slower acceleration 4 Ignition pinging
