P1007 2018 GMC Sierra Code - Fuel Pump Driver Control Module Ignition On/Start Switch Circuit High Voltage
Quick Answer
The P1007 code for a 2018 GMC Sierra indicates a problem with the Fuel Pump Driver Control Module Ignition On/Start Switch Circuit High Voltage. Common causes include Faulty fuel pump driver control module, Damaged ignition switch, Wiring issues or corrosion in the electrical connections. 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
- P1007 2018 GMC Sierra indicates Fuel Pump Driver Control Module Ignition On/Start Switch Circuit High Voltage.
- Common causes
- Common causes include Faulty fuel pump driver control module, Damaged ignition switch, Wiring issues or corrosion in the electrical connections.
- 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.
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Code P1007 2018 GMC Sierra Description
The P1007 code for a 2018 GMC Sierra indicates a problem with the Fuel Pump Driver Control Module Ignition On/Start Switch Circuit High Voltage. The fuel pump driver control module is responsible for regulating the fuel pump's operation, ensuring the proper fuel pressure is delivered to the engine for optimal performance. When the ignition on/start switch circuit registers a high voltage, it means that there is an issue with the electrical connection or signal between the fuel pump driver control module and the ignition switch.
Common Causes of P1007 2018 GMC Sierra
- Faulty fuel pump driver control module
- Damaged ignition switch
- Wiring issues or corrosion in the electrical connections
- Short circuit in the ignition on/start switch circuit
- Electrical system malfunction
Symptoms of P1007 2018 GMC Sierra
- Engine misfires or hesitation during acceleration
- Difficulty starting the vehicle
- Engine stalling or shutting off unexpectedly
- Reduced fuel efficiency
- Check engine light illuminated on the dashboard
How to Fix P1007 2018 GMC Sierra
- Diagnose the specific cause of the high voltage in the ignition on/start switch circuit using a diagnostic scanner to pinpoint the issue accurately.
- Inspect the fuel pump driver control module, ignition switch, and wiring for any visible damage or corrosion.
- Test the fuel pump driver control module and ignition switch for proper functioning using a multimeter to measure voltage and continuity.
- Repair or replace any faulty components, such as the fuel pump driver control module, ignition switch, or damaged wiring.
- Clear the diagnostic trouble codes from the vehicle's computer and perform a test drive to ensure the issue has been resolved.
Cost to Fix P1007 2018 GMC Sierra
The typical repair costs for addressing a P1007 code on a 2018 GMC Sierra can vary depending on the specific cause of the issue. Generally, the cost of replacing a fuel pump driver control module can range from $200 to $500, including parts and labor. Additional costs may be incurred if other components such as the ignition switch or wiring need to be replaced. It is recommended to consult with a professional mechanic or auto repair shop for an accurate estimate based on the specific diagnosis and repair required. Keep in mind that labor rates can vary between different locations and service providers.
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Frequently Asked Questions about P1007 2018 GMC Sierra Code
1. What does the OBDII code P1007 mean on a 2018 GMC Sierra?
P1007 indicates a high voltage issue in the Fuel Pump Driver Control Module (FPCM) Ignition On/Start Switch circuit.
2. What are the common symptoms of the P1007 code?
Symptoms may include engine stalling, difficulty starting, reduced fuel efficiency, or the Check Engine Light illuminating.
3. What causes the P1007 code to appear?
Common causes include a faulty Fuel Pump Driver Control Module, damaged wiring or connectors, a malfunctioning ignition switch, or a short circuit in the system.
4. Can I drive my 2018 GMC Sierra with the P1007 code active?
Driving is not recommended as it could lead to further damage or cause the engine to stall unexpectedly.
5. How is the P1007 code diagnosed?
A mechanic will use a scan tool to confirm the code, inspect the FPCM wiring and connectors, and test the ignition switch and associated circuits.
6. What repairs are typically needed to fix the P1007 code?
Repairs may include replacing the Fuel Pump Driver Control Module, repairing or replacing damaged wiring, or replacing a faulty ignition switch.
7. How much does it cost to fix the P1007 code on a 2018 GMC Sierra?
Repair costs vary but can range from $150 to $600, depending on whether parts like the FPCM or ignition switch need replacement.
8. Can a software issue cause the P1007 code?
While rare, a software glitch in the vehicle's control module can cause this code and may require a software update.
9. How can I prevent the P1007 code from recurring?
Regular maintenance, inspecting electrical connections for corrosion or damage, and addressing warning signs like difficulty starting can help prevent this issue.
10. Does the P1007 code always mean the Fuel Pump Driver Control Module is bad?
No, the issue could also stem from wiring, connectors, or other components in the ignition switch circuit, so thorough diagnostics are essential.
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