P0353 GMC Code - Ignition Coil 3 Control Circuit
Quick Answer
The P0353 diagnostic trouble code (DTC) for GMC vehicles indicates an issue with the ignition coil 3 control circuit. Common causes include Faulty ignition coil: The ignition coil itself may be defective and need to be replaced, Damaged wiring: Wiring connecting the ignition coil to the PCM or other components may be damaged, causing a poor connection, Loose connection: A loose or corroded connection between the ignition coil and its control circuit can trigger this code. 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
- P0353 GMC indicates Ignition Coil 3 Control Circuit.
- Common causes
- Common causes include Faulty ignition coil: The ignition coil itself may be defective and need to be replaced, Damaged wiring: Wiring connecting the ignition coil to the PCM or other components may be damaged, causing a poor connection, Loose connection: A loose or corroded connection between the ignition coil and its control circuit can trigger this code.
- 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.
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Code P0353 GMC Description
The P0353 diagnostic trouble code (DTC) for GMC vehicles indicates an issue with the ignition coil 3 control circuit. The ignition coil is a crucial component of the ignition system, responsible for converting the low voltage from the battery into the high voltage needed to create a spark in the spark plugs. Ignition coil 3 is specifically responsible for providing the spark for the third cylinder in the engine.
Common Causes of P0353 GMC
- Faulty ignition coil: The ignition coil itself may be defective and need to be replaced.
- Damaged wiring: Wiring connecting the ignition coil to the PCM or other components may be damaged, causing a poor connection.
- Loose connection: A loose or corroded connection between the ignition coil and its control circuit can trigger this code.
- PCM failure: A malfunctioning PCM can also lead to issues with the ignition coil control circuit.
Symptoms of P0353 GMC
- Engine misfires: A common symptom of a faulty ignition coil control circuit is engine misfires, where the engine hesitates or jerks during acceleration.
- Rough idling: The engine may idle roughly or inconsistently, causing vibrations and instability.
- Decreased fuel efficiency: A malfunctioning ignition coil can lead to incomplete combustion, resulting in decreased fuel efficiency.
- Illuminated check engine light: The check engine light may come on to indicate a problem with the ignition coil control circuit.
- Stalling: In severe cases, the engine may stall unexpectedly, especially during acceleration or at idle.
How to Fix P0353 GMC
- Diagnose the issue: Use a scan tool to read the DTC and pinpoint the exact cause of the problem.
- Inspect wiring and connections: Check the wiring harness for any damage or corrosion, and ensure all connections are tight.
- Test the ignition coil: Test the ignition coil to determine if it is functioning properly.
- Replace faulty components: Replace the ignition coil, wiring, or any other components that are causing the issue.
- Clear the code: Once the repairs are completed, clear the DTC and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0353 GMC
The typical repair costs for addressing the P0353 code can vary depending on the extent of the issue and the specific components that need to be replaced. On average, the cost of replacing an ignition coil can range from $100 to $300, while the cost of labor can range from $50 to $150 per hour. Additional costs for diagnostic testing, wiring repairs, or other necessary parts may also apply. It is recommended to consult with a trusted mechanic or auto repair shop for a more accurate cost estimate based on the specific circumstances of the vehicle.
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Information for Specific GMC Models
- P0353 2014 GMC Sierra — Ignition Coil 3 Control Circuit
- P0353 2015 GMC Sierra — Ignition Coil 3 Control Circuit
- P0353 2016 GMC Sierra — Ignition Coil 3 Control Circuit
- P0353 2017 GMC Sierra — Ignition Coil 3 Control Circuit
- P0353 2018 GMC Sierra — Ignition Coil 3 Control Circuit
Frequently Asked Questions about P0353 GMC Code
1. What does the OBDII code P0353 mean on a GMC vehicle?
P0353 indicates an issue with the ignition coil "C" (Ignition Coil 3) control circuit, which may involve a malfunction in the coil itself, the wiring, or the engine control module (ECM).
2. What are the common symptoms of code P0353 in a GMC?
Symptoms include rough engine idle, misfires, reduced fuel efficiency, hesitation during acceleration, and the Check Engine Light being illuminated.
3. What causes the P0353 code on a GMC?
Common causes include a faulty ignition coil, damaged or corroded wiring/connectors, an issue with the ECM, or a malfunctioning spark plug.
4. Can I drive my GMC with a P0353 code?
Driving with a P0353 code is not recommended, as it can lead to further engine damage, decreased performance, and increased emissions.
5. How do I diagnose the P0353 code on my GMC?
Begin by inspecting the ignition coil, wiring, and connectors for damage or corrosion. You can also swap the suspected coil with another cylinder and check if the code follows the coil.
6. How do I fix the P0353 code on a GMC?
Repairs may involve replacing the faulty ignition coil, repairing damaged wiring or connectors, or in rare cases, reprogramming or replacing the ECM.
7. Can a bad spark plug cause the P0353 code?
Yes, a malfunctioning spark plug can cause the ignition coil to work improperly, triggering the P0353 code.
8. How much does it cost to fix the P0353 code on a GMC?
Repair costs vary but typically range from $100 to $300 for parts and labor, depending on whether the issue is with the ignition coil, wiring, or other components.
9. Will clearing the P0353 code fix the problem on my GMC?
Clearing the code will reset the Check Engine Light, but it won’t fix the underlying issue. The problem will likely return until the root cause is addressed.
10. How can I prevent the P0353 code from occurring again on my GMC?
Regular maintenance, such as inspecting ignition components, replacing spark plugs at recommended intervals, and addressing wiring issues promptly, can help prevent this code.
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