P135A 2016 Chevrolet Silverado Code - Ignition Coil Supply Voltage Circuit Bank 1
Quick Answer
The P135A code for a 2016 Chevrolet Silverado refers to an issue with the ignition coil supply voltage circuit in bank 1 of the engine. Common causes include The P135A code could be triggered by several potential causes such as:, Faulty ignition coil, Open or short in the ignition coil circuit. 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 Chevrolet Silverado indicates Ignition Coil Supply Voltage Circuit Bank 1.
- Common causes
- Common causes include The P135A code could be triggered by several potential causes such as:, Faulty ignition coil, Open or short in the ignition coil circuit.
- 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 Chevrolet Silverado Description
The P135A code for a 2016 Chevrolet Silverado refers to an issue with the ignition coil supply voltage circuit in bank 1 of the engine. The ignition coil plays a crucial role in the vehicle's ignition system by transforming the battery's low voltage into the thousands of volts necessary to create an electric spark in the spark plugs to ignite the fuel.
Common Causes of P135A 2016 Chevrolet Silverado
The P135A code could be triggered by several potential causes such as:
- Faulty ignition coil
- Open or short in the ignition coil circuit
- Bad connection or wiring in the ignition coil circuit
- Faulty Engine Control Module (ECM)
- Damaged or corroded connectors
Symptoms of P135A 2016 Chevrolet Silverado
Symptoms associated with this code could include:
- Check engine light is on
- Engine misfires
- Poor fuel economy
- Rough idle or acceleration
- Decreased engine performance
How to Fix P135A 2016 Chevrolet Silverado
The repair process for this issue could involve the following steps:
- A full diagnostic scan to confirm the P135A code.
- Inspection of the ignition coil and its circuit for any noticeable damage or wear.
- Testing the ignition coil with a multimeter to verify if it is malfunctioning.
- Checking and repairing any bad connections or wiring within the circuit.
- If necessary, replacing the faulty ignition coil, damaged connectors, or even the ECM.
Cost to Fix P135A 2016 Chevrolet Silverado
The cost to resolve a P135A code can vary greatly depending on the exact cause and the parts that need to be replaced. Generally, an ignition coil replacement can cost between $200 and $300, including parts and labor. If the ECM needs to be replaced, the cost can rise significantly, potentially exceeding $1000. Diagnostic time and labor rates can vary based on location, the specific vehicle model, and the type of engine. It's always advisable to check local rates and get multiple estimates to ensure a fair price.
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Frequently Asked Questions about P135A 2016 Chevrolet Silverado Code
1. What does the OBDII code P135A mean on a 2016 Chevrolet Silverado?
P135A indicates an issue with the ignition coil supply voltage circuit on Bank 1, which may affect the engine's ignition performance.
2. What are the symptoms of code P135A in a 2016 Chevrolet Silverado?
Common symptoms include engine misfires, rough idling, reduced power, poor fuel economy, and possible illumination of the check engine light.
3. What causes the P135A code to appear in a 2016 Chevrolet Silverado?
This code can be caused by a faulty ignition coil, damaged wiring or connectors in the ignition circuit, a blown fuse, or issues with the powertrain control module (PCM).
4. How can I diagnose the P135A code on my Silverado?
Start by inspecting the wiring and connectors for damage or corrosion, check the ignition coil for proper operation, and test the circuit's voltage supply with a multimeter.
5. Can I drive my 2016 Silverado with the P135A code?
It's not recommended to drive the vehicle with this code, as it can lead to poor engine performance, potential damage to the catalytic converter, and unsafe driving conditions.
6. How do I fix the P135A code on a 2016 Chevrolet Silverado?
Repairs may include replacing the faulty ignition coil, repairing or replacing damaged wiring or connectors, replacing a blown fuse, or reprogramming or replacing the PCM if necessary.
7. How much does it cost to repair the P135A code on a Silverado?
The cost can vary, but ignition coil replacement typically ranges from $150 to $350, while wiring repairs or PCM replacement can increase costs.
8. Can a weak battery cause the P135A code in my Silverado?
Yes, a weak or failing battery can cause voltage supply issues, potentially triggering this code.
9. Does the P135A code only affect Bank 1 on the 2016 Silverado?
Yes, this specific code relates to the ignition coil supply voltage circuit on Bank 1, which is the side of the engine with cylinder 1.
10. Is a P135A code related to other misfire or ignition issues?
Yes, it can be related to misfire codes or trouble codes indicating ignition system problems, so it’s important to check for other stored codes.
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