P135A 2016 GMC Sierra Code - Ignition Coil Supply Voltage Circuit Bank 1
Quick Answer
The ignition system uses an individual ignition coil for each cylinder. Common causes include Blown Ignition Coil Fuse, Ignition Coil Fuse harness is open or shorted, Ignition Coil Fuse circuit poor electrical connection. 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 Blown Ignition Coil Fuse, Ignition Coil Fuse harness is open or shorted, Ignition Coil Fuse circuit poor electrical connection.
- 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.
Code P135A 2016 GMC Sierra Description
What are the Possible Causes of the DTC P135A 2016 GMC Sierra?
- Blown Ignition Coil Fuse
- Ignition Coil Fuse harness is open or shorted
- Ignition Coil Fuse circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P135A 2016 GMC Sierra?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P135A 2016 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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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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