P135A 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC P135A 2015 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 P135A 2015 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 P135A 2015 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 P135A 2015 Chevrolet Silverado Code
1. What does the OBDII code P135A mean on a 2015 Chevrolet Silverado?
P135A indicates an issue with the ignition coil supply voltage circuit on Bank 1, which may affect engine performance.
2. What are the common symptoms of code P135A in a 2015 Chevrolet Silverado?
Symptoms include rough idling, misfires, reduced engine power, poor fuel economy, and the Check Engine Light being illuminated.
3. What causes the P135A code to appear on a 2015 Chevrolet Silverado?
Common causes include faulty ignition coils, damaged wiring or connectors in the ignition coil circuit, or a failed powertrain control module (PCM).
4. How do I diagnose the P135A code on my 2015 Chevrolet Silverado?
Start by inspecting the ignition coil wiring and connectors for damage or corrosion, test the ignition coil on Bank 1, and check for proper voltage supply using a multimeter.
5. Can I drive my 2015 Chevrolet Silverado with the P135A code?
Driving with this code is not recommended, as it can lead to engine misfires, reduced performance, and potential damage to other components like the catalytic converter.
6. How do I fix the P135A code on a 2015 Chevrolet Silverado?
Repairs may include replacing the faulty ignition coil, repairing damaged wiring or connectors, or reprogramming or replacing the PCM if necessary.
7. How much does it cost to repair the P135A code on a 2015 Chevrolet Silverado?
Repair costs vary but typically range from $100 to $300 for ignition coil replacement, with additional costs for wiring repairs or PCM replacement if needed.
8. Can a weak battery cause the P135A code in a 2015 Chevrolet Silverado?
Yes, a weak or failing battery can cause voltage irregularities that might trigger this code.
9. What tools are needed to troubleshoot the P135A code on a 2015 Chevrolet Silverado?
You’ll need an OBDII scanner, a multimeter, and potentially wiring diagrams for the ignition coil circuit.
10. Is P135A a common issue for the 2015 Chevrolet Silverado?
While not extremely common, ignition coil-related issues can occur due to wear and tear or electrical problems, especially as the vehicle ages.
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