P2301 2017 GMC Sierra Code - Ignition Coil 1 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 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
- P2301 2017 GMC Sierra indicates Ignition Coil 1 Control Circuit High Voltage.
- 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 P2301 2017 GMC Sierra Description
What are the Possible Causes of the DTC P2301 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 P2301 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 P2301 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.
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Frequently Asked Questions about P2301 2017 GMC Sierra Code
What does the OBDII code P2301 mean for a 2017 GMC Sierra?
P2301 indicates a problem with the Ignition Coil 1 Control Circuit, specifically high voltage detected, which can affect engine performance.
What are common symptoms of code P2301 in a 2017 GMC Sierra?
Symptoms may include engine misfires, rough idle, reduced power, poor fuel economy, and the Check Engine Light illuminating.
What causes the P2301 code in a 2017 GMC Sierra?
Common causes include a faulty ignition coil, damaged wiring or connectors in the control circuit, or issues with the Powertrain Control Module (PCM).
Can I drive my 2017 GMC Sierra with code P2301 active?
Driving with this code is not recommended, as it can lead to engine misfires, reduced performance, and potential damage to other components like the catalytic converter.
How do I diagnose code P2301 on a 2017 GMC Sierra?
Start by inspecting the ignition coil, wiring, and connectors for damage, corrosion, or loose connections. If no issues are found, test the coil and check PCM signals using a multimeter or scan tool.
How do I fix the P2301 code on a 2017 GMC Sierra?
Repairs may involve replacing the ignition coil, repairing damaged wiring or connectors, or reprogramming/replacing the PCM if necessary.
What tools are needed to fix P2301 on a 2017 GMC Sierra?
You’ll need a multimeter, scan tool, basic hand tools, and possibly wiring repair materials to diagnose and repair the issue.
How much does it cost to repair code P2301 on a 2017 GMC Sierra?
Repair costs vary but typically range from $150 to $400 depending on whether the ignition coil, wiring, or PCM needs replacement.
Can a bad ignition coil cause the P2301 code on a 2017 GMC Sierra?
Yes, a faulty ignition coil can cause high voltage in the control circuit, triggering the P2301 code.
How can I prevent code P2301 from reoccurring in my 2017 GMC Sierra?
Regular maintenance, including checking ignition components and wiring for wear or damage, can help prevent this code from reappearing.
Discuss the causes and fixes for P2301 2017 GMC Sierra OBDII Code
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