P0355 Lexus Code - Ignition Coil 5 Primary/Secondary Circuit
Quick Answer
The P0355 code for Lexus vehicles specifically refers to an issue with the ignition coil 5 primary/secondary circuit. Common causes include Faulty ignition coil for cylinder 5, Damaged or corroded wiring or connectors, Issues with the ECM. 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
- P0355 Lexus indicates Ignition Coil 5 Primary/Secondary Circuit.
- Common causes
- Common causes include Faulty ignition coil for cylinder 5, Damaged or corroded wiring or connectors, Issues with the ECM.
- 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 P0355 Lexus Description
The P0355 code for Lexus vehicles specifically refers to an issue with the ignition coil 5 primary/secondary circuit. The ignition coil is a crucial component of the vehicle's ignition system, responsible for converting the low voltage from the battery into the high voltage needed to ignite the fuel-air mixture in the engine cylinders. In this case, the code indicates that there is a problem with the electrical circuit associated with the ignition coil for cylinder 5.
Common Causes of P0355 Lexus
- Faulty ignition coil for cylinder 5
- Damaged or corroded wiring or connectors
- Issues with the ECM
- Electrical system malfunctions
- Extreme weather conditions affecting the ignition system
Symptoms of P0355 Lexus
- Rough idling or engine misfires
- Loss of power or acceleration
- Difficulty starting the engine
- Illumination of the Check Engine Light
- Poor fuel efficiency
How to Fix P0355 Lexus
- Perform a visual inspection of the ignition coil, wiring, and connectors to identify any visible damage or corrosion.
- Use a multimeter to test the resistance of the ignition coil and check for continuity in the wiring.
- Replace the faulty ignition coil if it fails the resistance test.
- Repair or replace any damaged wiring or connectors.
- Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0355 Lexus
The cost of repairing the P0355 code for a Lexus vehicle can vary depending on the specific model and year, as well as the labor rates in your area. On average, the cost of replacing an ignition coil can range from $100 to $300, including parts and labor. Additional costs may be incurred if there are other underlying issues causing the code to be triggered. It's recommended to consult with a professional mechanic to get an accurate estimate based on your vehicle's specific circumstances.
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