AutoCodes – GMC – P2316 2014 GMC Sierra

P2316 2014 GMC Sierra Code - Ignition Coil 6 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 6, Ignition Coil 6 harness is open or shorted, Ignition Coil 6 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: P2316 2014 GMC Sierra indicates Ignition Coil 6 Control Circuit High Voltage.
Common causes: Common causes include Faulty Ignition Coil 6, Ignition Coil 6 harness is open or shorted, Ignition Coil 6 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.

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Code Popularity 231

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 Mar 25, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2316 2014 GMC Sierra 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 P2316 2014 GMC Sierra - Ignition Coil 6 Control Circuit High Voltage - AutoCodes.com — P2316 2014 GMC Sierra Code - Ignition Coil 6 Control Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P2316 2014 GMC Sierra?

Faulty Ignition Coil 6
Ignition Coil 6 harness is open or shorted
Ignition Coil 6 circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P2316 2014 GMC Sierra?

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 P2316 2014 GMC Sierra 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 P2316 2014 GMC Sierra code?

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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 P2316 2014 GMC Sierra Code

1. What does the OBDII code P2316 mean for a 2014 GMC Sierra?

P2316 indicates a high voltage issue in the ignition coil 6 control circuit, which is responsible for managing the operation of the sixth cylinder's ignition coil.

2. What are the common symptoms of P2316 in a 2014 GMC Sierra?

The common symptoms include engine misfires, rough idling, decreased fuel efficiency, reduced power, and an illuminated check engine light.

3. What causes the P2316 code to appear in a GMC Sierra?

Typical causes include a faulty ignition coil, damaged wiring or connectors in the coil 6 circuit, a malfunctioning powertrain control module (PCM), or corrosion at electrical connections.

4. Can driving with the P2316 code damage my 2014 GMC Sierra?

Yes, driving with this code can lead to further engine damage if misfires persist, potentially harming the catalytic converter or other engine components.

5. How do I diagnose the P2316 code in my GMC Sierra?

Start by inspecting the ignition coil and its wiring for damage or corrosion. Use a multimeter to test the coil's resistance and check for proper voltage at the connector. A scan tool can also confirm misfire data and related codes.

6. How do I fix the P2316 code on a 2014 GMC Sierra?

Repairs may include replacing the faulty ignition coil, repairing or replacing damaged wiring, cleaning corroded connectors, or, in rare cases, reprogramming or replacing the PCM.

7. How much does it cost to repair the P2316 code on a GMC Sierra?

The cost can vary, but replacing an ignition coil typically ranges from $50 to $150 for parts, plus labor costs if done at a shop. Wiring repairs may add additional expenses.

8. Can a bad spark plug cause the P2316 code?

While unlikely, a bad spark plug can indirectly contribute to ignition problems, so itâ€™s a good idea to inspect and replace spark plugs as needed during diagnostics.

9. Will resetting the check engine light fix the P2316 code?

Resetting the light without addressing the underlying issue will not fix the problem. The code will likely reappear until the fault in the ignition coil 6 circuit is resolved.

10. Is the P2316 code specific to GMC vehicles?

No, P2316 is a generic OBDII code that can appear on various vehicles, but its specific diagnosis and repair steps may vary depending on the make and model.