P2318 Chevrolet 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 Chevrolet 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 Chevrolet Description
What are the Possible Causes of the DTC P2318 Chevrolet?
- 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 Chevrolet?
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 Chevrolet 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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Information for Specific Chevrolet Models
- P2318 2014 Chevrolet Silverado — Ignition Coil 7 Control Circuit Low Voltage
- P2318 2015 Chevrolet Silverado — Ignition Coil 7 Control Circuit Low Voltage
- P2318 2016 Chevrolet Silverado — Ignition Coil 7 Control Circuit Low Voltage
- P2318 2017 Chevrolet Silverado — Ignition Coil 7 Control Circuit Low Voltage
- P2318 2018 Chevrolet Silverado — Ignition Coil 7 Control Circuit Low Voltage
Frequently Asked Questions about P2318 Chevrolet Code
1. What are the common symptoms of OBDII code P2318 in a Chevrolet related to Ignition Coil 7 Control Circuit Low Voltage?
- Common symptoms include rough engine idling, misfires, loss of power, and illuminated Check Engine Light.
2. What are the possible causes of OBDII code P2318 in a Chevrolet related to Ignition Coil 7 Control Circuit Low Voltage?
- Potential causes may include a faulty ignition coil, damaged wiring or connectors, a failing ignition control module, or issues with the engine's computer.
3. How can I diagnose the source of OBDII code P2318 in my Chevrolet?
- You can diagnose the issue by performing a visual inspection of the ignition coil and related components, checking the wiring and connectors for damage, and using a multimeter to test for continuity and voltage.
4. Can I still drive my Chevrolet with OBDII code P2318 related to Ignition Coil 7 Control Circuit Low Voltage?
- It is not recommended to drive the vehicle with this code present, as it can lead to further damage to the engine and potentially unsafe driving conditions.
5. How can I repair OBDII code P2318 in a Chevrolet related to Ignition Coil 7 Control Circuit Low Voltage?
- Repair options include replacing the faulty ignition coil, repairing or replacing damaged wiring or connectors, testing and potentially replacing the ignition control module, and clearing the code with a diagnostic tool.
6. Is it possible to reset OBDII code P2318 in a Chevrolet related to Ignition Coil 7 Control Circuit Low Voltage without fixing the issue?
- While you can clear the code temporarily with a diagnostic tool, the underlying issue causing the code will still need to be addressed to prevent it from reoccurring.
7. How much does it cost to repair OBDII code P2318 in a Chevrolet related to Ignition Coil 7 Control Circuit Low Voltage?
- The cost of repairs can vary depending on the specific cause of the issue and the labor rates in your area. It is recommended to get a diagnostic from a qualified mechanic for an accurate estimate.
8. Will OBDII code P2318 in a Chevrolet related to Ignition Coil 7 Control Circuit Low Voltage affect fuel efficiency?
- Yes, this code can lead to decreased fuel efficiency due to the engine not running optimally and potentially misfiring.
9. Can a DIY enthusiast fix OBDII code P2318 in a Chevrolet related to Ignition Coil 7 Control Circuit Low Voltage?
- Depending on your skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair this issue themselves. However, if you are not experienced with automotive repairs, it is recommended to seek professional help.
10. How long does it take to repair OBDII code P2318 in a Chevrolet related to Ignition Coil 7 Control Circuit Low Voltage?
- The repair time can vary depending on the specific cause of the issue, the availability of parts, and the experience of the mechanic. In general, it can take anywhere from a few hours to a full day to complete the repair.
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