P135B 2016 Chevrolet Silverado Code - Ignition Coil Supply Voltage Circuit Bank 2
Quick Answer
The P135B diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado refers to an issue with the Ignition Coil Supply Voltage Circuit on Bank 2. Common causes include Faulty ignition coil, Damaged wiring or connectors, Malfunctioning ignition control module. 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
- P135B 2016 Chevrolet Silverado indicates Ignition Coil Supply Voltage Circuit Bank 2.
- Common causes
- Common causes include Faulty ignition coil, Damaged wiring or connectors, Malfunctioning ignition control module.
- 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 P135B 2016 Chevrolet Silverado Description
The P135B diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado refers to an issue with the Ignition Coil Supply Voltage Circuit on Bank 2. This code indicates that there is a problem with the voltage supply to the ignition coil on the second bank of cylinders in the vehicle's engine. The ignition coil is a crucial component in the ignition system, responsible for converting the low voltage from the battery into the high voltage needed to create a spark in the spark plugs. This spark is essential for igniting the air-fuel mixture in the combustion chamber, allowing the engine to run smoothly.
Common Causes of P135B 2016 Chevrolet Silverado
- Faulty ignition coil
- Damaged wiring or connectors
- Malfunctioning ignition control module
- Issues with the vehicle's power supply
Symptoms of P135B 2016 Chevrolet Silverado
- Engine misfires
- Rough idling
- Decreased power and fuel efficiency
- Difficulty starting the engine
How to Fix P135B 2016 Chevrolet Silverado
- Begin by conducting a thorough inspection of the ignition coil on Bank 2, checking for any visible signs of damage or wear.
- Test the voltage supply to the ignition coil using a multimeter to determine if it is within the manufacturer's specified range.
- Inspect the wiring and connectors associated with the ignition coil for any signs of corrosion, fraying, or loose connections.
- If necessary, replace the faulty ignition coil, repair any damaged wiring or connectors, and reset the vehicle's engine control module to clear the code.
Cost to Fix P135B 2016 Chevrolet Silverado
The typical repair costs for addressing the Ignition Coil Supply Voltage Circuit on Bank 2 issue can range from $150 to $400, depending on the specific components that need to be replaced and the labor involved. It's important to note that the actual cost may vary based on factors such as the location of the repair shop, the make and model of the vehicle, and the type of engine. Additionally, diagnosis time and labor rates can vary, with most auto repair shops charging between $80 and $150 per hour. It's recommended to obtain quotes from local shops to get a more accurate estimate for this repair.
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Frequently Asked Questions about P135B 2016 Chevrolet Silverado Code
1. What does the OBDII code P135B mean for a 2016 Chevrolet Silverado?
The P135B code indicates an issue with the ignition coil supply voltage circuit on Bank 2, which can affect engine performance.
2. What are common symptoms of the P135B code on a 2016 Chevrolet Silverado?
Symptoms may include engine misfires, poor acceleration, rough idling, reduced fuel efficiency, and the Check Engine Light turning on.
3. What causes the P135B code to appear on my 2016 Silverado?
Common causes include a faulty ignition coil, damaged wiring or connectors in the circuit, a bad ignition control module, or issues with the powertrain control module (PCM).
4. How can I diagnose the P135B code on my Silverado?
Start by inspecting the ignition coil and its wiring on Bank 2 for damage. Then use a multimeter to check for proper voltage supply and continuity in the circuit.
5. Can I drive my 2016 Silverado with the P135B code?
It’s not recommended to drive with this code active, as it can lead to engine misfires and potential damage to other components, like the catalytic converter.
6. How do I fix the P135B code on my 2016 Chevrolet Silverado?
Repairs may include replacing a faulty ignition coil, repairing damaged wires or connectors, or reprogramming or replacing the PCM if necessary.
7. Which side of the engine does Bank 2 refer to on a 2016 Silverado?
Bank 2 refers to the side of the engine opposite Bank 1, typically the side without cylinder 1. Consult your vehicle's manual for specific layout details.
8. How much does it cost to repair the P135B code?
Repair costs vary but may range from $100 to $400, depending on whether the issue involves replacing an ignition coil, repairing wiring, or addressing PCM problems.
9. Can a weak battery cause the P135B code on my Silverado?
Yes, a weak or failing battery can contribute to voltage supply issues that trigger the P135B code. Make sure to check the battery and charging system.
10. Will clearing the code fix the P135B issue permanently?
Clearing the code will reset the Check Engine Light, but the underlying problem must be resolved to prevent the code from returning.
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