P0354 Code - Ignition Coil 4 Control Circuit
Quick Answer
The P0354 code indicates a problem with the ignition coil 4 control circuit in the vehicle's engine. Common causes include Faulty ignition coil, Wiring issues or loose connections in the ignition coil circuit, Corrosion or damage to the ignition coil connector. 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
- P0354 indicates Ignition Coil 4 Control Circuit.
- Common causes
- Common causes include Faulty ignition coil, Wiring issues or loose connections in the ignition coil circuit, Corrosion or damage to the ignition coil connector.
- 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 P0354 Description
The P0354 code indicates a problem with the ignition coil 4 control circuit in the vehicle's engine. The ignition coil is responsible for converting the low voltage from the battery into the high voltage needed to spark the spark plugs, which ignites the fuel-air mixture in the engine cylinders. When the control circuit for ignition coil 4 malfunctions, it can lead to misfiring, poor engine performance, and even stalling of the vehicle.
Common Causes of P0354
- Faulty ignition coil
- Wiring issues or loose connections in the ignition coil circuit
- Corrosion or damage to the ignition coil connector
- Issues with the engine control module (ECM) or powertrain control module (PCM)
- Environmental factors such as extreme temperatures affecting the ignition coil
Symptoms of P0354
- Engine misfires or runs rough
- Decreased fuel efficiency
- Difficulty starting the engine
- Check Engine Light illuminated
- Vehicle stalling or hesitating
How to Fix P0354
- Diagnose the issue by using a scan tool to identify the specific problem with ignition coil 4.
- Inspect the ignition coil, wiring, and connectors for any signs of damage or corrosion.
- Test the ignition coil using a multimeter to check for proper resistance and voltage output.
- Replace the faulty ignition coil if necessary, ensuring it is installed correctly and securely.
- Clear the diagnostic trouble codes from the vehicle's ECM/PCM and test drive the vehicle to confirm the issue has been resolved.
Cost to Fix P0354
The typical repair costs for addressing the P0354 code can range from $100 to $300, including parts and labor. However, it's important to note that actual costs can vary depending on the vehicle make and model, the location of the repair shop, and the specific diagnosis and repair required. Additionally, labor rates at auto repair shops can fluctuate, with rates typically ranging between $80 and $150 per hour. It's recommended to check with local shops for a more accurate estimate.
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Code P0354 Information for Specific Makes
- P0354 Acura — No. 4 Cylinder Ignition Coil Circuit Malfunction
- P0354 Audi — Ignition Coil 4 Primary/Secondary Circuit
- P0354 BMW — Ignition Coil Cylinder 4
- P0354 Buick — Ignition Coil 4 Control Circuit
- P0354 Cadillac — Ignition Coil 4 Control Circuit
- P0354 Chevrolet — Ignition Coil 4 Control Circuit
- P0354 Chrysler — Ignition Coil 4 Circuit
- P0354 Dodge — Ignition Coil 4 Circuit
- P0354 Ford — Ignition Coil 'D' Primary/Secondary Circuit
- P0354 GMC — Ignition Coil 4 Control Circuit
- P0354 Honda — No. 4 Cylinder Ignition Coil Circuit Malfunction
- P0354 Hyundai — Ignition Coil 'D' Primary/Secondary Circuit
- P0354 Isuzu — Ignition Coil 4 Control Circuit
- P0354 Jaguar — Ignition Coil 'D' Primary/Secondary Circuit
- P0354 Jeep — Ignition Coil 4 Circuit
- P0354 KIA — Ignition Coil 4 Primary/Secondary Circuit
- P0354 Lexus — Ignition Coil 4 Primary/Secondary Circuit
- P0354 Lincoln — Ignition Coil 4 Control Circuit
- P0354 Mazda — Ignition Coil Primary Circuit Fault Cylinder 4
- P0354 Mercedes-Benz — Ignition Coil 4 Primary/Secondary Circuit Malfunction
- P0354 MINI — Ignition Coil Cylinder 4
- P0354 Pontiac — Ignition Coil 4 Control Circuit
- P0354 Saturn — Ignition Coil 4 Control Circuit
- P0354 Scion — Ignition Coil 4 Primary/Secondary Circuit
- P0354 Toyota — Ignition Coil 4 Primary/Secondary Circuit
- P0354 Volkswagen — Ignition Coil 4 Primary/Secondary Circuit
Frequently Asked Questions about P0354 Code
No Frequently Asked Questions about P0354 Code found.
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