P2301 2016 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 2016 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 2016 GMC Sierra Description
What are the Possible Causes of the DTC P2301 2016 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 2016 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 2016 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 P2301 2016 GMC Sierra code?
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Frequently Asked Questions about P2301 2016 GMC Sierra Code
What does the OBDII code P2301 mean for a 2016 GMC Sierra?
P2301 indicates a high voltage issue in the ignition coil 1 control circuit, which may affect engine performance.
What are the symptoms of code P2301 in a 2016 GMC Sierra?
Common symptoms include engine misfires, rough idling, reduced fuel efficiency, and possibly the Check Engine Light turning on.
What causes the P2301 code in a 2016 GMC Sierra?
Possible causes include a faulty ignition coil, damaged wiring or connectors in the ignition circuit, or issues with the powertrain control module (PCM).
Can I drive my 2016 GMC Sierra with the P2301 code?
Driving with this code is not recommended as it can lead to engine misfires and potential damage to the catalytic converter.
How do I diagnose the P2301 code on a 2016 GMC Sierra?
Start by inspecting the ignition coil, wiring, and connectors for damage. Use a multimeter to check for proper voltage and continuity in the control circuit.
How can I fix the P2301 code on my 2016 GMC Sierra?
Repairs may include replacing the ignition coil, repairing damaged wiring or connectors, or reprogramming or replacing the PCM if necessary.
What tools do I need to troubleshoot the P2301 code on a 2016 GMC Sierra?
You’ll need an OBDII scanner, a multimeter, and possibly wiring diagrams for the ignition coil circuit.
How much does it cost to fix the P2301 code on a 2016 GMC Sierra?
Repair costs can vary, but replacing an ignition coil typically costs $100-$300 including labor, while wiring repairs or PCM replacement may cost more.
Can a bad ignition coil cause the P2301 code on a 2016 GMC Sierra?
Yes, a faulty ignition coil is a common cause of this code, as it can create a high voltage issue in the control circuit.
How can I prevent the P2301 code from occurring on my 2016 GMC Sierra?
Regular maintenance, including inspecting ignition components and addressing wiring issues promptly, can help prevent this code.
Discuss the causes and fixes for P2301 2016 GMC Sierra OBDII Code
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