P135B 2014 Chevrolet Silverado Code - Ignition Coil Supply Voltage Circuit Bank 2
Quick Answer
The diagnostic trouble code P135B for a 2014 Chevrolet Silverado refers to an issue with the Ignition Coil Supply Voltage Circuit in Bank 2. Common causes include Faulty ignition coil, Damaged wiring or connectors in the ignition coil circuit, 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 2014 Chevrolet Silverado indicates Ignition Coil Supply Voltage Circuit Bank 2.
- Common causes
- Common causes include Faulty ignition coil, Damaged wiring or connectors in the ignition coil circuit, 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P135B 2014 Chevrolet Silverado Description
The diagnostic trouble code P135B for a 2014 Chevrolet Silverado refers to an issue with the Ignition Coil Supply Voltage Circuit in Bank 2. This code indicates that there is a problem with the voltage supply to the ignition coil in the second bank of cylinders in the engine. The ignition coil is responsible for converting the low voltage from the battery into the high voltage needed to create a spark in the spark plugs, which ignites the air-fuel mixture in the combustion chamber.
Common Causes of P135B 2014 Chevrolet Silverado
- Faulty ignition coil
- Damaged wiring or connectors in the ignition coil circuit
- Malfunctioning ignition control module
- Issues with the power supply to the ignition coil
- Electrical system issues
Symptoms of P135B 2014 Chevrolet Silverado
- Engine misfires
- Rough idling
- Decreased fuel efficiency
- Loss of power during acceleration
- Illumination of the check engine light
How to Fix P135B 2014 Chevrolet Silverado
- Begin by diagnosing the specific cause of the issue using a diagnostic scanner to pinpoint the exact source of the problem.
- Inspect the ignition coil, wiring, and connectors for any signs of damage or wear.
- Test the ignition coil's resistance and check for proper voltage supply to ensure it is functioning correctly.
- Replace the faulty ignition coil, repair any damaged wiring or connectors, and address any other identified issues in the ignition coil circuit.
- Clear the diagnostic trouble codes, reset the vehicle's computer, and test drive the vehicle to ensure the problem has been resolved.
Cost to Fix P135B 2014 Chevrolet Silverado
The typical repair costs for addressing the Ignition Coil Supply Voltage Circuit issue in a 2014 Chevrolet Silverado can range from $150 to $400, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Most auto repair shops charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships, while independent shops may offer lower rates. It is recommended to inquire about local rates for a more accurate estimate.
Need more information about the P135B 2014 Chevrolet Silverado code?
Need more information on how to fix the P135B 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P135B 2014 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P135B 2014 Chevrolet Silverado Code
1. What does the OBDII code P135B mean on a 2014 Chevrolet Silverado?
P135B indicates an issue with the ignition coil supply voltage circuit on Bank 2, typically signaling a problem with power delivery to the ignition coils.
2. What are the symptoms of code P135B in a 2014 Chevrolet Silverado?
Common symptoms include engine misfires, rough idling, reduced power, difficulty starting, or the check engine light being illuminated.
3. What causes the P135B code to trigger on a Chevy Silverado?
Causes may include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, a blown fuse, or a malfunctioning powertrain control module (PCM).
4. How can you diagnose the P135B code on a 2014 Chevrolet Silverado?
Diagnosis involves inspecting the ignition coil and its wiring, checking for blown fuses, testing the voltage supply to the coil, and using a scan tool to monitor live data.
5. Can a faulty ignition coil cause the P135B code?
Yes, a faulty ignition coil on Bank 2 can trigger the P135B code by failing to receive or distribute the proper voltage.
6. Is it safe to drive a 2014 Chevrolet Silverado with the P135B code?
Driving with this code is not recommended, as it can lead to further engine damage, reduced performance, and increased emissions.
7. What repairs are needed to fix code P135B in a Chevy Silverado?
Repairs may include replacing the faulty ignition coil, repairing or replacing damaged wiring or connectors, replacing a blown fuse, or, in rare cases, replacing or reprogramming the PCM.
8. Can a blown fuse cause the P135B code on a 2014 Silverado?
Yes, a blown fuse in the ignition coil circuit can disrupt the power supply, triggering the P135B code.
9. How much does it cost to fix the P135B code on a 2014 Chevrolet Silverado?
The repair cost can vary widely depending on the issue. Replacing an ignition coil typically costs $150–$300, while wiring repairs or PCM replacement may cost more.
10. Can a weak battery cause the P135B code to appear?
While unlikely, a weak or failing battery can contribute to voltage issues, potentially affecting the ignition coil circuit and triggering the code.
Discuss the causes and fixes for P135B 2014 Chevrolet Silverado OBDII Code
Code P135B 2014 Chevrolet Silverado comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.