P0231 2015 Chevrolet Silverado Code - Fuel Pump Control Circuit Low Voltage
Quick Answer
The Engine Control Module (ECM) supplies voltage to the fuel pump driver control module when the ECM detects that the ignition is on. Common causes include Faulty Fuel Pump, Fuel Pump harness is open or shorted, Fuel Pump circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0231 2015 Chevrolet Silverado indicates Fuel Pump Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty Fuel Pump, Fuel Pump harness is open or shorted, Fuel Pump circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0231 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0231 2015 Chevrolet Silverado?
- Faulty Fuel Pump
- Fuel Pump harness is open or shorted
- Fuel Pump circuit poor electrical connection
- Faulty Fuel Pump Driver Control Module
How to Fix the DTC P0231 2015 Chevrolet Silverado?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0231 2015 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0231 2015 Chevrolet Silverado Code
1. What does the OBDII code P0231 mean on a 2015 Chevrolet Silverado?
P0231 indicates a low voltage condition in the fuel pump control circuit, which means the fuel pump may not be receiving adequate power to operate properly.
2. What are the common symptoms of code P0231 in a 2015 Chevrolet Silverado?
Symptoms may include difficulty starting the engine, stalling, reduced engine performance, and the inability of the fuel pump to deliver proper fuel pressure.
3. What causes the P0231 code to appear in a 2015 Chevrolet Silverado?
Common causes include a faulty fuel pump relay, damaged wiring or connectors in the fuel pump circuit, a failing fuel pump, or a malfunctioning Powertrain Control Module (PCM).
4. Can a bad fuel pump cause the P0231 code in a 2015 Silverado?
Yes, a failing or failing-to-operate fuel pump can trigger the P0231 code due to insufficient voltage in the control circuit.
5. How do you diagnose the P0231 code on a 2015 Chevrolet Silverado?
Diagnosis involves checking the fuel pump relay, inspecting the wiring and connectors for damage or corrosion, testing the voltage at the fuel pump, and using a scan tool to monitor live data for the fuel pump circuit.
6. Is it safe to drive a 2015 Chevrolet Silverado with the P0231 code?
Driving with this code is not recommended, as it could lead to stalling or complete engine failure, which can be dangerous.
7. How do you fix the P0231 code on a 2015 Chevrolet Silverado?
Fixes include replacing a faulty fuel pump relay, repairing damaged wiring or connectors, replacing the fuel pump if necessary, or reprogramming/replacing the PCM if it is the root cause.
8. Can a blown fuse cause the P0231 code in a 2015 Chevrolet Silverado?
Yes, a blown fuse in the fuel pump circuit can disrupt voltage and trigger the P0231 code.
9. What tools are needed to address the P0231 code in a 2015 Chevrolet Silverado?
You’ll need a multimeter to check for voltage, a scan tool to read live data and clear the code, and possibly wiring repair tools to fix damaged circuits.
10. How much does it cost to repair the P0231 code on a 2015 Chevrolet Silverado?
Repair costs vary but typically range from $100 to $500, depending on whether the issue is a simple relay replacement or a more complex repair like replacing the fuel pump or PCM.
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