AutoCodes – Chevrolet – P0351 2016 Chevrolet Silverado

P0351 2016 Chevrolet Silverado Code - Ignition Coil 1 Control Circuit

Quick Answer

The ignition system on this engine uses ignition coils with integrated power transistors. Common causes include Faulty Ignition Coil 1, Ignition Coil 1 harness is open or shorted, Ignition Coil 1 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
P0351 2016 Chevrolet Silverado indicates Ignition Coil 1 Control Circuit.
Common causes
Common causes include Faulty Ignition Coil 1, Ignition Coil 1 harness is open or shorted, Ignition Coil 1 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 373
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 25, 2024
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Code P0351 2016 Chevrolet Silverado 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 P0351 2016 Chevrolet Silverado - Ignition Coil 1 Control Circuit - AutoCodes.com
P0351 2016 Chevrolet Silverado Code - Ignition Coil 1 Control Circuit

What are the Possible Causes of the DTC P0351 2016 Chevrolet Silverado?

  • Faulty Ignition Coil 1
  • Ignition Coil 1 harness is open or shorted
  • Ignition Coil 1 circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P0351 2016 Chevrolet Silverado?

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 P0351 2016 Chevrolet Silverado 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 P0351 2016 Chevrolet Silverado code?

Need more information on how to fix the P0351 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the 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 P0351 2016 Chevrolet Silverado Code

What does the OBDII code P0351 mean for a 2016 Chevrolet Silverado?

P0351 indicates a fault in the Ignition Coil 1 Control Circuit, which may involve wiring, the ignition coil itself, or the Powertrain Control Module (PCM).

What are common symptoms of code P0351 in a 2016 Silverado?

Symptoms may include engine misfires, rough idling, reduced power, poor fuel economy, and an illuminated Check Engine Light.

What causes the P0351 code to appear?

Common causes include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, or a malfunctioning PCM.

Can I drive my 2016 Silverado with code P0351?

Driving with this code is not recommended, as it can lead to engine misfires, poor performance, and potential damage to other components like the catalytic converter.

How do I diagnose the P0351 code in my Silverado?

Start by inspecting the ignition coil, wiring, and connectors for damage. Use a multimeter to test the coil and circuit continuity. A scan tool can also help identify related issues.

Does replacing the ignition coil fix the P0351 code?

If the ignition coil is determined to be faulty, replacing it often resolves the issue. However, always verify the condition of wiring and connectors before replacing parts.

What tools are needed to repair the P0351 code?

Common tools include a multimeter, OBDII scan tool, and basic hand tools like a socket set for removing the ignition coil.

Can a faulty PCM cause the P0351 code?

Yes, a malfunctioning PCM could cause the P0351 code, but this is less common. Always rule out ignition coil and wiring issues first.

How much does it cost to fix the P0351 code?

The cost varies depending on the issue. Replacing an ignition coil typically costs $50-$150 for parts, plus labor if done by a professional.

Is P0351 specific to the 2016 Chevrolet Silverado?

No, P0351 is a generic OBDII code applicable to most vehicles, but the exact diagnostic steps and repair procedures may vary by make and model.

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