P135A Chevrolet Code - Ignition Coil Supply Voltage Circuit Bank 1
Quick Answer
The P135A diagnostic trouble code for Chevrolet vehicles indicates a problem with the Ignition Coil Supply Voltage Circuit in Bank 1. Common causes include Faulty ignition coil, Loose or corroded electrical connections, Blown fuse in the ignition system. 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
- P135A Chevrolet indicates Ignition Coil Supply Voltage Circuit Bank 1.
- Common causes
- Common causes include Faulty ignition coil, Loose or corroded electrical connections, Blown fuse in the ignition system.
- 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 P135A Chevrolet Description
The P135A diagnostic trouble code for Chevrolet vehicles indicates a problem with the Ignition Coil Supply Voltage Circuit in Bank 1. This means that there is an issue with the electrical supply to the ignition coil in one of the engine banks. The ignition coil is responsible for converting the low voltage from the battery into the high voltage needed to create a spark for the spark plugs. If the ignition coil supply voltage is compromised, it can lead to misfires, rough idling, poor acceleration, and even engine stalling. Ignoring this issue can cause further damage to the ignition system and affect the overall performance of the vehicle.
Common Causes of P135A Chevrolet
- Faulty ignition coil
- Loose or corroded electrical connections
- Blown fuse in the ignition system
- Wiring issues in the ignition coil circuit
- Defective Engine Control Module (ECM)
Symptoms of P135A Chevrolet
- Engine misfires
- Rough idling
- Poor acceleration
- Engine stalling
- Check Engine Light illuminated
How to Fix P135A Chevrolet
- Diagnose the issue with a scan tool to pinpoint the exact cause of the problem.
- Inspect the ignition coil and its connections for any signs of damage or corrosion.
- Test the ignition coil with a multimeter to check for proper resistance.
- Replace the faulty ignition coil if needed.
- Clear the trouble code and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P135A Chevrolet
The cost to repair the Ignition Coil Supply Voltage Circuit Bank 1 issue can vary depending on the exact cause of the problem and the location. On average, the cost for parts such as a new ignition coil can range from $50 to $200. Labor costs can range from $100 to $300, depending on the shop's hourly rate and the complexity of the repair. It's advisable to get a few quotes from different auto repair shops to get a more accurate estimate for your specific vehicle.
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Information for Specific Chevrolet Models
- P135A 2014 Chevrolet Silverado — Ignition Coil Supply Voltage Circuit Bank 1
- P135A 2015 Chevrolet Silverado — Ignition Coil Supply Voltage Circuit Bank 1
- P135A 2016 Chevrolet Silverado — Ignition Coil Supply Voltage Circuit Bank 1
- P135A 2017 Chevrolet Silverado — Ignition Coil Supply Voltage Circuit Bank 1
- P135A 2018 Chevrolet Silverado — Ignition Coil Supply Voltage Circuit Bank 1
Frequently Asked Questions about P135A Chevrolet Code
1. What are common symptoms of OBDII code P135A in a Chevrolet related to the Ignition Coil Supply Voltage Circuit Bank 1?
- Common symptoms include engine misfires, rough idling, lack of power, and illuminated Check Engine Light.
2. What are the possible causes of OBDII code P135A in a Chevrolet related to the Ignition Coil Supply Voltage Circuit Bank 1?
- Possible causes include a faulty ignition coil, damaged wiring or connectors, a defective powertrain control module (PCM), or a weak battery.
3. How can I diagnose the issue causing OBDII code P135A in a Chevrolet related to the Ignition Coil Supply Voltage Circuit Bank 1?
- You can diagnose the issue by using a scan tool to read the trouble codes, performing a visual inspection of the ignition coil and its connections, and testing the voltage supply to the coil.
4. Can I still drive my Chevrolet with OBDII code P135A related to the Ignition Coil Supply Voltage Circuit Bank 1?
- It is not recommended to drive your vehicle with this code as it can lead to further engine damage and reduced performance.
5. How can I repair OBDII code P135A in a Chevrolet related to the Ignition Coil Supply Voltage Circuit Bank 1?
- Repair steps may include replacing the faulty ignition coil, repairing damaged wiring or connectors, resetting the PCM, and ensuring a strong electrical connection.
6. Is it possible to clear OBDII code P135A in a Chevrolet related to the Ignition Coil Supply Voltage Circuit Bank 1 without fixing the issue?
- While you can clear the code temporarily, it is important to address the underlying problem to prevent further issues down the road.
7. How much does it typically cost to repair OBDII code P135A in a Chevrolet related to the Ignition Coil Supply Voltage Circuit Bank 1?
- The cost can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.
8. Are there any preventive measures to avoid OBDII code P135A in a Chevrolet related to the Ignition Coil Supply Voltage Circuit Bank 1?
- Regularly inspecting and maintaining your ignition system, ensuring proper battery health, and addressing any warning signs promptly can help prevent this issue.
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