P2303 2016 Chevrolet Silverado Code - Ignition Coil 2 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 2, Ignition Coil 2 harness is open or shorted, Ignition Coil 2 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
- P2303 2016 Chevrolet Silverado indicates Ignition Coil 2 Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty Ignition Coil 2, Ignition Coil 2 harness is open or shorted, Ignition Coil 2 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 P2303 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC P2303 2016 Chevrolet Silverado?
- Faulty Ignition Coil 2
- Ignition Coil 2 harness is open or shorted
- Ignition Coil 2 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P2303 2016 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 P2303 2016 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 P2303 2016 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P2303 on a 2016 Chevrolet Silverado?
The common symptoms of OBDII code P2303 (Ignition Coil 2 Control Circuit Low Voltage) on a 2016 Chevrolet Silverado may include engine misfires, rough idling, loss of power, and illuminated Check Engine Light.
2. What are the possible causes of OBDII code P2303 on a 2016 Chevrolet Silverado?
Possible causes of OBDII code P2303 on a 2016 Chevrolet Silverado include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, a defective engine control module (ECM), or a poor electrical connection.
3. How can I diagnose OBDII code P2303 on my 2016 Chevrolet Silverado?
To diagnose OBDII code P2303 on a 2016 Chevrolet Silverado, you can use a scan tool to retrieve the code, inspect the ignition coil and its wiring for any visible damage, perform a continuity test on the circuit, and check the ECM for proper operation.
4. Is it safe to drive my 2016 Chevrolet Silverado with OBDII code P2303 active?
It is not recommended to drive your 2016 Chevrolet Silverado with OBDII code P2303 active, as it can lead to engine performance issues and potential damage. It is advisable to address the issue promptly to prevent further problems.
5. Can I repair OBDII code P2303 on my 2016 Chevrolet Silverado myself?
Depending on your level of automotive knowledge and experience, you may be able to repair OBDII code P2303 on your 2016 Chevrolet Silverado yourself by replacing the faulty ignition coil, repairing damaged wiring or connectors, or addressing any other identified issues in the circuit.
6. How much does it cost to fix OBDII code P2303 on a 2016 Chevrolet Silverado?
The cost to fix OBDII code P2303 on a 2016 Chevrolet Silverado can vary depending on the underlying cause of the issue, the cost of parts, and labor rates. It is recommended to obtain quotes from reputable mechanics or repair shops for an accurate estimate.
7. Can a bad ignition coil cause OBDII code P2303 on a 2016 Chevrolet Silverado?
Yes, a bad ignition coil can cause OBDII code P2303 (Ignition Coil 2 Control Circuit Low Voltage) on a 2016 Chevrolet Silverado. If the ignition coil is faulty, it may not be delivering the proper voltage to the corresponding cylinder, triggering the code.
8. How do I reset OBDII code P2303 on my 2016 Chevrolet Silverado?
To reset OBDII code P2303 on a 2016 Chevrolet Silverado, you can use a scan tool to clear the code after addressing the underlying issue. Simply clearing the code without fixing the problem may result in the code reappearing.
9. Can a loose electrical connection cause OBDII code P2303 on a 2016 Chevrolet Silverado?
Yes, a loose electrical connection in the ignition coil circuit can cause OBDII code P2303 on a 2016 Chevrolet Silverado. It is important to check all wiring and connectors for secure connections when diagnosing this code.
10. Will OBDII code P2303 on a 2016 Chevrolet Silverado affect fuel efficiency?
OBDII code P2303 (Ignition Coil 2 Control Circuit Low Voltage) on a 2016 Chevrolet Silverado can potentially affect fuel efficiency if left unresolved. Engine misfires and performance issues associated with this code can lead to increased fuel consumption.
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