P2319 2014 GMC Sierra Code - Ignition Coil 7 Control Circuit High Voltage
Quick Answer
The P2319 diagnostic trouble code (DTC) for a 2014 GMC Sierra indicates a problem with the ignition coil 7 control circuit exhibiting high voltage. Common causes include Faulty ignition coil, Damaged or corroded wiring/connectors related to the ignition coil, Issues with the 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
- P2319 2014 GMC Sierra indicates Ignition Coil 7 Control Circuit High Voltage.
- Common causes
- Common causes include Faulty ignition coil, Damaged or corroded wiring/connectors related to the ignition coil, Issues with the 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 P2319 2014 GMC Sierra Description
The P2319 diagnostic trouble code (DTC) for a 2014 GMC Sierra indicates a problem with the ignition coil 7 control circuit exhibiting high voltage. The ignition coil is a crucial component responsible for converting the low voltage from the battery into the high voltage needed to spark the spark plugs. In this case, the high voltage being detected by the control circuit could lead to issues with the ignition system's proper functioning.
Common Causes of P2319 2014 GMC Sierra
- Faulty ignition coil
- Damaged or corroded wiring/connectors related to the ignition coil
- Issues with the engine control module (ECM)
- Malfunctioning spark plugs
- Electrical system problems
Symptoms of P2319 2014 GMC Sierra
- Misfires or hesitation during acceleration
- Rough idling or shaking when the vehicle is stationary
- Decreased fuel efficiency
- Engine stalling or difficulty starting
- Illumination of the check engine light
How to Fix P2319 2014 GMC Sierra
- Begin by diagnosing the specific cause of the high voltage in the ignition coil 7 control circuit using a diagnostic scanner and multimeter.
- Inspect the ignition coil, wiring, and connectors for any signs of damage, corrosion, or loose connections.
- Test the spark plugs to ensure they are functioning correctly and replace them if necessary.
- If the issue lies with the ECM, consider reprogramming or replacing the module.
- Clear the DTC from the vehicle's memory, test drive the vehicle to confirm the issue has been resolved, and ensure the check engine light remains off.
Cost to Fix P2319 2014 GMC Sierra
The typical repair costs for addressing the P2319 code on a 2014 GMC Sierra can vary depending on the specific cause of the issue. Generally, replacing an ignition coil can cost between $100 to $250, while diagnostic and labor costs can range from $80 to $150 per hour. Total repair costs could fall between $200 to $500, but it's advisable to check with local auto repair shops for more accurate estimates.
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Frequently Asked Questions about P2319 2014 GMC Sierra Code
1. What does the OBDII code P2319 mean on a 2014 GMC Sierra?
P2319 indicates an issue with the ignition coil 7 control circuit, specifically detecting a high voltage condition.
2. What are the common symptoms of the P2319 code on a 2014 GMC Sierra?
Symptoms include engine misfires, rough idling, reduced engine performance, and the check engine light illuminating.
3. What causes the P2319 code to appear?
Common causes include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, or a malfunctioning powertrain control module (PCM).
4. Can I drive my 2014 GMC Sierra with the P2319 code active?
It’s not recommended to drive with this code active, as it can lead to further engine damage and reduced performance.
5. How do I diagnose the P2319 code on my 2014 GMC Sierra?
Diagnosis involves checking the ignition coil 7 for damage, inspecting wiring and connectors for corrosion or breaks, and testing the voltage at the coil.
6. How do I fix the P2319 code on a 2014 GMC Sierra?
Repairs may include replacing the ignition coil, repairing or replacing damaged wiring or connectors, and in rare cases, reprogramming or replacing the PCM.
7. How much does it cost to repair the P2319 code on a 2014 GMC Sierra?
The cost varies but typically ranges from $150 to $300 for parts and labor, depending on the specific repair needed.
8. Can a bad spark plug cause the P2319 code on a 2014 GMC Sierra?
While unlikely, a faulty spark plug could indirectly cause ignition coil issues, so it’s worth checking during diagnosis.
9. Is the PCM often the problem with the P2319 code on a 2014 GMC Sierra?
The PCM is rarely the cause, but if all other components test fine, it may require reprogramming or replacement.
10. What tools do I need to troubleshoot the P2319 code on a 2014 GMC Sierra?
You’ll need an OBDII scanner, a multimeter to test voltage, and basic hand tools to inspect and replace components.
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