AutoCodes – Cadillac – P2319 Cadillac

P2319 Cadillac Code - Ignition Coil 7 Control Circuit High 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: P2319 Cadillac indicates Ignition Coil 7 Control Circuit High 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 293

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 31, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P2319 Cadillac Description

The ignition system on this engine uses ignition coils with integrated power transistors. The Engine Control Module (ECM) controls the spark event for each cylinder through individual ignition coil control circuits. When the ECM commands the ignition control circuit On, electrical current flows through the primary winding of the ignition coil, creating a magnetic field. When a spark event is requested, the ECM commands the ignition control circuit Off, interrupting current flow through the primary winding. The collapsing magnetic field created by the primary winding induces a high voltage in the secondary winding, which is connected to the spark plugs. The Diagnostic Trouble Code (DTC) will be set when the control circuit commanded by the ECM state does not match the actual state.

OBDII Code P2319 Cadillac - Ignition Coil 7 Control Circuit High Voltage - AutoCodes.com — P2319 Cadillac Code - Ignition Coil 7 Control Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P2319 Cadillac?

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 P2319 Cadillac?

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 P2319 Cadillac 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 P2319 Cadillac code?

Need more information on how to fix the P2319 Cadillac code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2319 Cadillac code diagnosed by a professional: Find a repair shop in your area

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 Cadillac Code

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

P2319 indicates an issue with the ignition coil 7 control circuit, specifically a high voltage condition detected by the engine control module (ECM).

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

Typical symptoms include engine misfires, rough idling, decreased engine performance, poor fuel economy, and possibly an illuminated Check Engine Light.

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

Common causes include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, a malfunctioning ECM, or issues with the spark plug for cylinder 7.

4. Can I drive my Cadillac with a P2319 code?

Driving with a P2319 code is not recommended, as it can lead to engine misfires and potential damage to the catalytic converter.

5. How do I diagnose the P2319 code on my Cadillac?

Begin by inspecting the ignition coil 7 and its wiring for damage or corrosion. Use a multimeter to check the circuit for proper voltage and continuity. A scan tool can also help confirm the fault.

6. How do I fix a P2319 code on a Cadillac?

Repairs may involve replacing the ignition coil, repairing or replacing damaged wiring or connectors, replacing the spark plug for cylinder 7, or, in rare cases, reprogramming or replacing the ECM.

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

Repair costs vary but typically range from $100 to $300 for parts and labor, depending on whether the ignition coil or wiring needs replacement.

8. Can a bad spark plug cause the P2319 code on a Cadillac?

Yes, a faulty spark plug for cylinder 7 can cause ignition coil issues that trigger the P2319 code.

9. How do I prevent the P2319 code from recurring?

Regular maintenance, including replacing spark plugs and ignition coils as recommended, and inspecting wiring for damage, can help prevent the code from recurring.

10. Will clearing the P2319 code fix the problem?

Clearing the code will turn off the Check Engine Light temporarily, but it wonâ€™t resolve the underlying issue. Proper diagnosis and repair are necessary to fix the problem.