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P2319 Buick Code - Ignition Coil 7 Control Circuit High Voltage

Quick Answer

The P2319 Buick diagnostic trouble code (DTC) refers to the ignition coil 7 control circuit having high voltage. Common causes include Faulty ignition coil, Short in the wiring harness, Engine control module (ECM) malfunction. 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 Buick indicates Ignition Coil 7 Control Circuit High Voltage.
Common causes
Common causes include Faulty ignition coil, Short in the wiring harness, Engine control module (ECM) malfunction.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P2319 Buick Description

The P2319 Buick diagnostic trouble code (DTC) refers to the ignition coil 7 control circuit having high voltage. Ignition coils are essential components in the ignition system of a vehicle, responsible for converting the low voltage from the battery into the high voltage needed to ignite the fuel-air mixture in the engine cylinders. In this case, the control circuit for ignition coil 7 is experiencing abnormally high voltage levels, which can lead to various issues with the vehicle's performance.

OBDII Code P2319 Buick - Ignition Coil 7 Control Circuit High Voltage
P2319 Buick Code - Ignition Coil 7 Control Circuit High Voltage

Common Causes of P2319 Buick

  1. Faulty ignition coil
  2. Short in the wiring harness
  3. Engine control module (ECM) malfunction
  4. Faulty spark plug
  5. Electrical issues in the control circuit

Symptoms of P2319 Buick

  1. Engine misfires
  2. Rough idling
  3. Stalling
  4. Decreased fuel efficiency
  5. Check Engine Light illuminated

How to Fix P2319 Buick

  1. Begin by diagnosing the specific cause of the high voltage in the ignition coil 7 control circuit using a diagnostic scanner.
  2. Test the ignition coil to determine if it is functioning properly or needs replacement.
  3. Inspect the wiring harness for any shorts or damage and repair as necessary.
  4. Check the engine control module (ECM) for any faults and reprogram or replace if needed.
  5. Replace the spark plug if it is found to be faulty.

Cost to Fix P2319 Buick

The cost estimate for repairing the ignition coil 7 control circuit high voltage issue can vary depending on the specific cause of the problem and the labor rates in your area. On average, the repair could cost between $100 to $300 for parts and labor. However, it is advisable to contact local auto repair shops for a more accurate estimate based on your vehicle make and model, as well as the extent of the repair needed. Keep in mind that rates at dealerships or in metropolitan areas may be higher, while independent shops may offer more affordable prices.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2319 Buick Code

1. What does the OBDII code P2319 mean on a Buick?

P2319 indicates an issue with the ignition coil 7 control circuit, specifically a high voltage condition that affects the vehicle's ignition system.

2. What are the symptoms of the P2319 code in a Buick?

Symptoms may include engine misfires, rough idling, reduced engine performance, poor fuel economy, and the Check Engine Light turning on.

3. What causes the P2319 code to appear on a Buick?

Common causes include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, a defective powertrain control module (PCM), or excessive resistance in the circuit.

4. Can I drive my Buick with the P2319 code?

Driving with the P2319 code is not recommended, as it can cause further engine damage due to misfires and may lead to unsafe driving conditions.

5. How is the P2319 code diagnosed in a Buick?

Diagnosis involves using a scan tool to confirm the code, inspecting the ignition coil 7 wiring and connectors, testing the ignition coil for proper operation, and checking the PCM for faults.

6. How do you fix the P2319 code on a Buick?

Repairs may include replacing the faulty ignition coil, repairing or replacing damaged wiring or connectors, or reprogramming/repairing the PCM if necessary.

7. How much does it cost to fix the P2319 code on a Buick?

Repair costs vary but may range from $100 to $300 for ignition coil replacement, with additional costs if wiring or PCM repairs are needed.

8. Can a bad spark plug cause the P2319 code in a Buick?

While rare, a malfunctioning spark plug can contribute to ignition coil issues, so it’s worth inspecting and replacing spark plugs if necessary.

9. Does the P2319 code always mean the ignition coil is bad?

No, the code could also be triggered by wiring issues, poor electrical connections, or a faulty PCM.

10. How do I prevent the P2319 code from reoccurring in my Buick?

Regular maintenance, inspecting ignition components, and addressing engine issues promptly can help prevent the P2319 code from recurring.

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