P135B 2016 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 2016 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 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC P135B 2016 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 2016 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 2016 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 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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