P135B 2014 Chevrolet Silverado Code - Ignition Coil Supply Voltage Circuit Bank 2
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
- P135B 2014 Chevrolet Silverado indicates Ignition Coil Supply Voltage Circuit Bank 2.
- 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 P135B 2014 Chevrolet Silverado Description
What are the Possible Causes of the DTC P135B 2014 Chevrolet Silverado?
- 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 P135B 2014 Chevrolet Silverado?
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 P135B 2014 Chevrolet Silverado 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 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.
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