P2316 2018 GMC Sierra Code - Ignition Coil 6 Control Circuit High Voltage
Quick Answer
The diagnostic trouble code P2316 for a 2018 GMC Sierra indicates an issue with the ignition coil 6 control circuit experiencing high voltage. Common causes include Faulty ignition coil, Damaged wiring or connectors in the ignition coil circuit, Malfunctioning engine control module (ECM). 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
- P2316 2018 GMC Sierra indicates Ignition Coil 6 Control Circuit High Voltage.
- Common causes
- Common causes include Faulty ignition coil, Damaged wiring or connectors in the ignition coil circuit, Malfunctioning engine control module (ECM).
- 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 P2316 2018 GMC Sierra Description
The diagnostic trouble code P2316 for a 2018 GMC Sierra indicates an issue with the ignition coil 6 control circuit experiencing high voltage. The ignition coil plays a crucial role in the ignition system of the vehicle, as it is responsible for converting the low voltage from the battery into the high voltage needed to create a spark in the spark plugs. When the control circuit of ignition coil 6 detects high voltage, it can lead to various performance issues in the vehicle.
Common Causes of P2316 2018 GMC Sierra
- Faulty ignition coil
- Damaged wiring or connectors in the ignition coil circuit
- Malfunctioning engine control module (ECM)
- Short circuit in the ignition coil control circuit
- Malfunctioning ignition coil driver within the ECM
Symptoms of P2316 2018 GMC Sierra
- Engine misfires
- Rough idling
- Hesitation during acceleration
- Reduced fuel efficiency
- Stalling
How to Fix P2316 2018 GMC Sierra
- Diagnose the specific cause of the high voltage in the ignition coil 6 control circuit using a scan tool to pinpoint the issue.
- Inspect the ignition coil, wiring, and connectors for any visible damage or wear. Replace any damaged components.
- Test the ignition coil using a multimeter to ensure it is functioning properly. Replace the ignition coil if necessary.
- Check the engine control module (ECM) for any signs of malfunction. If the ECM is faulty, it may need to be repaired or replaced.
- Clear the diagnostic trouble code from the vehicle's computer after completing the repairs and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P2316 2018 GMC Sierra
The typical repair costs for addressing the ignition coil 6 control circuit high voltage issue can vary depending on the specific cause of the problem and the cost of parts and labor. On average, the cost of replacing an ignition coil can range from $100 to $300, while the cost of diagnosing and repairing wiring or ECM issues can vary. Overall, the total repair cost for this issue could range from $150 to $500 or more. It's important to note that labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.
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Frequently Asked Questions about P2316 2018 GMC Sierra Code
1. What does the OBDII code P2316 mean for a 2018 GMC Sierra?
P2316 indicates a high voltage issue in the ignition coil 6 control circuit, which may affect engine performance.
2. What are the symptoms of the P2316 code in a 2018 GMC Sierra?
Common symptoms include engine misfires, rough idling, reduced power, poor fuel economy, and the Check Engine Light turning on.
3. What causes the P2316 code in a 2018 GMC Sierra?
Possible causes include a faulty ignition coil, damaged wiring or connectors in the coil 6 circuit, a malfunctioning powertrain control module (PCM), or a bad spark plug.
4. Can I drive my 2018 GMC Sierra with a P2316 code?
Driving with a P2316 code can lead to further engine damage and decreased fuel efficiency. It’s best to address the issue promptly.
5. How do I diagnose the P2316 code on a 2018 GMC Sierra?
Start by inspecting the ignition coil 6, its wiring, and connectors for damage. Use a multimeter to check for proper voltage and continuity, and scan for related codes.
6. How is the P2316 code fixed on a 2018 GMC Sierra?
Repairs may include replacing the ignition coil, repairing or replacing damaged wiring, cleaning or replacing spark plugs, or reprogramming the PCM if necessary.
7. How much does it cost to repair a P2316 code in a 2018 GMC Sierra?
Repair costs can vary, but replacing an ignition coil typically costs $100–$300, depending on labor rates and parts pricing.
8. Can a bad spark plug cause the P2316 code in a 2018 GMC Sierra?
Yes, a bad spark plug can cause issues in the ignition coil circuit and trigger the P2316 code.
9. What tools are needed to diagnose a P2316 code on a 2018 GMC Sierra?
You’ll need an OBDII scanner, a multimeter, and basic tools for inspecting and replacing components like the ignition coil or spark plug.
10. Can a faulty PCM cause the P2316 code in a 2018 GMC Sierra?
While less common, a malfunctioning PCM can cause the P2316 code if it fails to properly control the ignition coil circuit.
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