P2318 2014 GMC Sierra Code - Ignition Coil 7 Control Circuit Low Voltage
Quick Answer
The ignition system on this engine uses ignition coils with integrated power transistors. Common causes include Faulty Ignition Coil 7, Ignition Coil 7 harness is open or shorted, Ignition Coil 7 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
- P2318 2014 GMC Sierra indicates Ignition Coil 7 Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty Ignition Coil 7, Ignition Coil 7 harness is open or shorted, Ignition Coil 7 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 P2318 2014 GMC Sierra Description
What are the Possible Causes of the DTC P2318 2014 GMC Sierra?
- Faulty Ignition Coil 7
- Ignition Coil 7 harness is open or shorted
- Ignition Coil 7 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P2318 2014 GMC Sierra?
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 P2318 2014 GMC Sierra 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.
Need more information about the P2318 2014 GMC Sierra code?
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Frequently Asked Questions about P2318 2014 GMC Sierra Code
1. What are the common symptoms of OBDII code P2318 in a 2014 GMC Sierra?
Symptoms may include rough idling, engine misfires, decreased fuel efficiency, and illuminated Check Engine light.
2. What does the OBDII code P2318, Ignition Coil 7 Control Circuit Low Voltage, mean for a 2014 GMC Sierra?
This code indicates that there is a low voltage condition in the control circuit of ignition coil 7 in the vehicle's engine.
3. What are the possible causes of OBDII code P2318 in a 2014 GMC Sierra?
Potential causes may include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, or issues with the engine control module (ECM).
4. How can I diagnose the Ignition Coil 7 Control Circuit Low Voltage issue in a 2014 GMC Sierra?
Diagnosis typically involves inspecting the ignition coil, checking the wiring and connectors for damage, testing the ignition coil control circuit, and scanning the ECM for related fault codes.
5. Can I still drive my 2014 GMC Sierra with OBDII code P2318 present?
It is not recommended to drive the vehicle with this code present, as it can lead to engine performance issues and potential damage if left unresolved.
6. Is it safe to reset the OBDII code P2318 in my 2014 GMC Sierra with a diagnostic tool?
Resetting the code without addressing the underlying issue is not recommended, as the problem may persist and cause further issues down the line.
7. How can I repair OBDII code P2318 in my 2014 GMC Sierra?
Repair options may include replacing the faulty ignition coil, repairing damaged wiring or connectors, and clearing the code from the ECM after the issue is resolved.
8. Can a DIY enthusiast fix OBDII code P2318 in a 2014 GMC Sierra?
Depending on your skill level and access to tools, DIY repair of this code may be possible, but it is recommended to consult a professional mechanic for accurate diagnosis and repair.
9. What is the typical cost to repair OBDII code P2318 in a 2014 GMC Sierra?
The cost of repair can vary depending on the root cause of the issue, but it may involve expenses for parts, labor, and diagnostic services from a mechanic.
10. How urgent is it to address OBDII code P2318 in a 2014 GMC Sierra?
It is advisable to address this code promptly to prevent potential engine damage and ensure optimal performance of your vehicle.
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