P135A 2016 GMC Sierra Code - Ignition Coil Supply Voltage Circuit Bank 1
Quick Answer
The diagnostic trouble code P135A for a 2016 GMC Sierra relates to the Ignition Coil Supply Voltage Circuit Bank 1. Common causes include Faulty wiring or connections in the ignition coil circuit, Defective ignition coil in Bank 1, Blown fuse related to 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 2016 GMC Sierra indicates Ignition Coil Supply Voltage Circuit Bank 1.
- Common causes
- Common causes include Faulty wiring or connections in the ignition coil circuit, Defective ignition coil in Bank 1, Blown fuse related to 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 2016 GMC Sierra Description
The diagnostic trouble code P135A for a 2016 GMC Sierra relates to the Ignition Coil Supply Voltage Circuit Bank 1. This code indicates a problem with the electrical circuit that supplies power to the ignition coil in Bank 1 of the engine. The ignition coil is a crucial component of the ignition system that converts the low voltage from the battery into the high voltage needed to create a spark at the spark plugs, igniting the air-fuel mixture in the combustion chambers.
Common Causes of P135A 2016 GMC Sierra
- Faulty wiring or connections in the ignition coil circuit
- Defective ignition coil in Bank 1
- Blown fuse related to the ignition system
- Malfunctioning engine control module (ECM)
- Electrical short circuits in the ignition coil supply voltage circuit
Symptoms of P135A 2016 GMC Sierra
- Engine misfires
- Rough idling or stalling
- Decreased fuel efficiency
- Illumination of the Check Engine Light
- Engine hesitation or lack of power
How to Fix P135A 2016 GMC Sierra
- Perform a thorough inspection of the ignition coil supply voltage circuit in Bank 1 to identify any faulty wiring or connections.
- Test the ignition coil in Bank 1 to determine if it is functioning correctly or needs replacement.
- Check and replace any blown fuses related to the ignition system.
- Inspect the engine control module (ECM) for any signs of damage or malfunction and replace if necessary.
- Clear the diagnostic trouble codes, reset the ECM, and test drive the vehicle to ensure that the issue has been successfully resolved.
Cost to Fix P135A 2016 GMC Sierra
The typical repair costs for addressing the Ignition Coil Supply Voltage Circuit Bank 1 issue can vary depending on the specific cause of the problem and the cost of parts and labor in your area. On average, you can expect to pay between $200 and $500 for 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 obtain quotes from multiple shops to get a more accurate estimate for your particular situation.
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Frequently Asked Questions about P135A 2016 GMC Sierra Code
1. What are common symptoms of OBDII code P135A in a 2016 GMC Sierra related to the Ignition Coil Supply Voltage Circuit Bank 1?
The common symptoms include engine misfires, rough idling, loss of power, and illuminated Check Engine Light.
2. What are the possible causes of OBDII code P135A in a 2016 GMC Sierra indicating an issue with the Ignition Coil Supply Voltage Circuit Bank 1?
Possible causes include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, or a problem with the engine control module.
3. How can I diagnose the root cause of OBDII code P135A in my 2016 GMC Sierra associated with the Ignition Coil Supply Voltage Circuit Bank 1?
You can use a multimeter to test the voltage at the ignition coil connector, inspect the wiring for any signs of damage, and perform a continuity check on the circuit components.
4. Is it safe to continue driving my 2016 GMC Sierra with OBDII code P135A related to the Ignition Coil Supply Voltage Circuit Bank 1?
It is not recommended to drive the vehicle with this code as it can lead to further damage to the ignition system and potentially cause more severe issues over time.
5. Can I repair OBDII code P135A in my 2016 GMC Sierra associated with the Ignition Coil Supply Voltage Circuit Bank 1 myself?
If you have experience with automotive electrical systems, you may be able to repair this code yourself by replacing the faulty ignition coil, repairing damaged wiring, or addressing any issues with connectors.
6. Are there any specific tools required to fix OBDII code P135A in a 2016 GMC Sierra related to the Ignition Coil Supply Voltage Circuit Bank 1?
You may need a multimeter to perform voltage and continuity tests, as well as basic hand tools to access and replace the ignition coil and inspect the wiring.
7. Will resetting the Check Engine Light make OBDII code P135A disappear in my 2016 GMC Sierra linked to the Ignition Coil Supply Voltage Circuit Bank 1?
Simply resetting the Check Engine Light will not fix the underlying issue causing the code. It is important to diagnose and address the root cause of the problem.
8. How much does it typically cost to repair OBDII code P135A in a 2016 GMC Sierra related to the Ignition Coil Supply Voltage Circuit Bank 1 at a repair shop?
The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.
9. Can a failing battery cause OBDII code P135A to appear in a 2016 GMC Sierra due to issues with the Ignition Coil Supply Voltage Circuit Bank 1?
A failing battery can potentially cause voltage fluctuations that affect the ignition system, leading to the appearance of code P135A. It is advisable to check and ensure the battery is in good condition.
10. How urgent is it to address OBDII code P135A in a 2016 GMC Sierra concerning the Ignition Coil Supply Voltage Circuit Bank 1?
It is recommended to address this code promptly to prevent further damage to the ignition system and ensure the vehicle operates properly.
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