P0352 2018 GMC Sierra Code - Ignition Coil 2 Control Circuit
Quick Answer
The P0352 diagnostic trouble code (DTC) for a 2018 GMC Sierra indicates a problem with the ignition coil 2 control circuit. Common causes include Faulty ignition coil, Wiring issues in the ignition coil circuit, Faulty ignition coil control module. 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
- P0352 2018 GMC Sierra indicates Ignition Coil 2 Control Circuit.
- Common causes
- Common causes include Faulty ignition coil, Wiring issues in the ignition coil circuit, Faulty ignition coil control module.
- 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 P0352 2018 GMC Sierra Description
The P0352 diagnostic trouble code (DTC) for a 2018 GMC Sierra indicates a problem with the ignition coil 2 control circuit. The ignition coil is a crucial component of the vehicle's ignition system responsible for converting low voltage power from the battery into high voltage power needed to ignite the fuel-air mixture in the engine cylinders. In this case, the control circuit for ignition coil 2 is not functioning properly, which can lead to misfiring, rough idling, and overall performance issues in the vehicle.
Common Causes of P0352 2018 GMC Sierra
- Faulty ignition coil
- Wiring issues in the ignition coil circuit
- Faulty ignition coil control module
- Corrosion or poor connection in the control circuit
- Engine overheating causing damage to ignition components
Symptoms of P0352 2018 GMC Sierra
- Engine misfires or hesitations
- Rough idling or stalling
- Decreased fuel efficiency
- Illuminated check engine light
- Engine vibration or lack of power
How to Fix P0352 2018 GMC Sierra
- Begin by diagnosing the exact cause of the issue using a scan tool to read the DTC and pinpoint the problem.
- Inspect the ignition coil 2 control circuit for any visible signs of damage, corrosion, or loose connections.
- Test the ignition coil and control module using a multimeter to determine if they are functioning within specifications.
- Replace the faulty ignition coil, control module, or repair any damaged wiring as needed.
- Clear the DTC from the vehicle's memory using the scan tool and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0352 2018 GMC Sierra
The typical repair costs for addressing a P0352 code on a 2018 GMC Sierra can range from $150 to $300, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate. Keep in mind that rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive prices.
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