P0351 2017 GMC Sierra 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 2017 GMC Sierra 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.
Code P0351 2017 GMC Sierra Description
What are the Possible Causes of the DTC P0351 2017 GMC Sierra?
- 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 2017 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 P0351 2017 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 P0351 2017 GMC Sierra code?
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Frequently Asked Questions about P0351 2017 GMC Sierra Code
What does the OBDII code P0351 mean for a 2017 GMC Sierra?
P0351 indicates a problem with the Ignition Coil 1 Control Circuit, which may affect the proper function of the engine's ignition system.
What are common symptoms of code P0351 in a 2017 GMC Sierra?
Symptoms include a rough idle, engine misfires, reduced power, poor fuel economy, and possibly the check engine light illuminating.
What causes code P0351 to appear in a 2017 GMC Sierra?
Common causes include a faulty ignition coil, wiring issues in the coil circuit, a bad coil connector, or a malfunctioning Powertrain Control Module (PCM).
Can driving with code P0351 damage the engine?
Yes, prolonged driving with this code can cause misfires, which may lead to engine damage or catalytic converter failure.
How do you diagnose code P0351 on a 2017 GMC Sierra?
Diagnosis involves inspecting the ignition coil, testing the coil's resistance, checking the wiring and connectors for damage, and scanning the PCM for further faults.
What tools are needed to fix code P0351 on a 2017 GMC Sierra?
Tools may include an OBDII scanner, a multimeter, and basic automotive repair tools like screwdrivers and pliers.
How do you fix code P0351 on a 2017 GMC Sierra?
Repairs often involve replacing the faulty ignition coil, repairing damaged wiring or connectors, or reprogramming or replacing the PCM if necessary.
Can a bad ignition coil cause other issues in a 2017 GMC Sierra?
Yes, a bad ignition coil can lead to misfires, poor engine performance, increased emissions, and reduced fuel efficiency.
What is the cost to repair code P0351 on a 2017 GMC Sierra?
Costs vary but typically range from $100 to $300 for parts and labor, depending on whether the ignition coil or wiring needs replacement.
Should I clear the code P0351 after repairs?
Yes, once repairs are completed, clear the code with an OBDII scanner to ensure the issue is resolved and monitor for recurrence.
Discuss the causes and fixes for P0351 2017 GMC Sierra OBDII Code
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