P2306 2017 Chevrolet Silverado Code - Ignition Coil 3 Control Circuit Low Voltage
Quick Answer
The ignition system on this engine uses ignition coils with integrated power transistors. Common causes include Faulty Ignition Coil 3, Ignition Coil 3 harness is open or shorted, Ignition Coil 3 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
- P2306 2017 Chevrolet Silverado indicates Ignition Coil 3 Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty Ignition Coil 3, Ignition Coil 3 harness is open or shorted, Ignition Coil 3 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 P2306 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC P2306 2017 Chevrolet Silverado?
- Faulty Ignition Coil 3
- Ignition Coil 3 harness is open or shorted
- Ignition Coil 3 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P2306 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 P2306 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 P2306 2017 Chevrolet Silverado Code
1. What does the OBDII code P2306 mean on a 2017 Chevrolet Silverado?
P2306 indicates a low voltage issue in the ignition coil 3 control circuit, which could affect engine performance.
2. What are the common symptoms of code P2306 in a 2017 Chevrolet Silverado?
Symptoms may include engine misfires, rough idling, reduced power, poor fuel economy, and possibly the check engine light illuminating.
3. What causes the P2306 code in a 2017 Chevrolet Silverado?
Common causes include a faulty ignition coil 3, damaged wiring or connectors in the ignition coil circuit, or a malfunctioning powertrain control module (PCM).
4. Can I drive my 2017 Chevrolet Silverado with a P2306 code?
Driving with a P2306 code is not recommended, as it can lead to engine misfires and potential damage to the catalytic converter over time.
5. How do I diagnose the P2306 code in a 2017 Chevrolet Silverado?
Diagnosis involves inspecting ignition coil 3, checking the wiring and connectors for damage, and testing the voltage and ground signals in the coil circuit with a multimeter.
6. How do I fix the P2306 code on a 2017 Chevrolet Silverado?
Repairs may include replacing ignition coil 3, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the PCM if necessary.
7. What tools are needed to troubleshoot the P2306 code on a 2017 Chevrolet Silverado?
You’ll need an OBDII scanner, a multimeter, and possibly wiring diagrams to test the ignition coil circuit.
8. How much does it cost to repair a P2306 code in a 2017 Chevrolet Silverado?
Costs vary but typically range from $100 to $300 for parts and labor, depending on whether the ignition coil, wiring, or PCM needs replacement.
9. Can a bad spark plug cause the P2306 code in a 2017 Chevrolet Silverado?
While unlikely, a bad spark plug could cause misfires that mimic the symptoms of P2306, so it’s worth inspecting the spark plugs during diagnosis.
10. Will clearing the P2306 code fix the problem on a 2017 Chevrolet Silverado?
Clearing the code may turn off the check engine light temporarily, but the underlying issue must be resolved to prevent the code from returning.
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