P2301 2017 Chevrolet Silverado 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 Chevrolet Silverado 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 Chevrolet Silverado Description
What are the Possible Causes of the DTC P2301 2017 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 P2301 2017 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 P2301 2017 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.
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Frequently Asked Questions about P2301 2017 Chevrolet Silverado Code
1. What does the OBDII code P2301 mean on a 2017 Chevrolet Silverado?
P2301 indicates a high voltage issue in the control circuit for Ignition Coil 1, which can disrupt the ignition process.
2. What are the common symptoms of P2301 in a 2017 Chevrolet Silverado?
Symptoms include engine misfires, rough idling, reduced fuel efficiency, hesitation during acceleration, and the check engine light turning on.
3. What causes the P2301 code to appear on a 2017 Chevrolet Silverado?
Common causes include a faulty ignition coil, damaged wiring or connectors in the coil circuit, a malfunctioning Powertrain Control Module (PCM), or issues with the spark plug.
4. Can you drive a 2017 Chevrolet Silverado with the P2301 code?
Driving with this code is not recommended, as it can lead to engine damage, reduced performance, and increased fuel consumption.
5. How do you diagnose the P2301 code on a 2017 Chevrolet Silverado?
Diagnosis involves checking the ignition coil and its wiring for damage, inspecting the spark plug, and testing the control circuit voltage using a multimeter.
6. How do you fix the P2301 code on a 2017 Chevrolet Silverado?
Repairs may include replacing the faulty ignition coil, repairing damaged wiring or connectors, replacing the spark plug, or in rare cases, reprogramming or replacing the PCM.
7. Can a bad spark plug cause the P2301 code on a 2017 Chevrolet Silverado?
Yes, a damaged or worn spark plug can cause high voltage issues in the ignition coil circuit, potentially triggering the P2301 code.
8. How much does it cost to fix the P2301 code on a 2017 Chevrolet Silverado?
Repair costs can vary but typically range from $150 to $400, depending on the parts that need replacement and labor charges.
9. Does clearing the code fix the P2301 problem on a 2017 Chevrolet Silverado?
Clearing the code will temporarily turn off the check engine light, but the underlying issue must be resolved to prevent the code from returning.
10. Can a faulty PCM cause the P2301 code on a 2017 Chevrolet Silverado?
Yes, although it’s less common, a malfunctioning PCM can fail to properly control the ignition coil circuit, leading to the P2301 code.
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