P0355 2015 Chevrolet Silverado Code - Ignition Coil 5 Control Circuit
Quick Answer
The ignition system on this engine uses ignition coils with integrated power transistors. Common causes include Faulty Ignition Coil 5, Ignition Coil 5 harness is open or shorted, Ignition Coil 5 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
- P0355 2015 Chevrolet Silverado indicates Ignition Coil 5 Control Circuit.
- Common causes
- Common causes include Faulty Ignition Coil 5, Ignition Coil 5 harness is open or shorted, Ignition Coil 5 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 P0355 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0355 2015 Chevrolet Silverado?
- Faulty Ignition Coil 5
- Ignition Coil 5 harness is open or shorted
- Ignition Coil 5 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0355 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 P0355 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 P0355 2015 Chevrolet Silverado Code
1. What does the OBDII code P0355 mean on a 2015 Chevrolet Silverado?
P0355 indicates a malfunction in the ignition coil "5" control circuit, which may affect the engine's performance.
2. What are the symptoms of code P0355 in a 2015 Chevrolet Silverado?
Common symptoms include rough idling, misfires, reduced fuel efficiency, hesitation during acceleration, and an illuminated check engine light.
3. What causes the P0355 code on a 2015 Chevrolet Silverado?
The code can be caused by a faulty ignition coil, damaged wiring or connectors in the coil circuit, a bad spark plug, or a malfunctioning PCM (Powertrain Control Module).
4. Can I drive my 2015 Chevrolet Silverado with the P0355 code?
While the vehicle may still be drivable, continuing to drive with this code can cause further damage, such as catalytic converter failure, and should be addressed promptly.
5. How do I diagnose the P0355 code on my 2015 Chevrolet Silverado?
Start by inspecting the wiring and connectors for the ignition coil on cylinder 5. Then, test the coil itself for proper function and continuity, and check for PCM-related issues if needed.
6. How can I fix the P0355 code on a 2015 Chevrolet Silverado?
Repairs may include replacing the ignition coil, repairing damaged wiring or connectors, replacing the spark plug, or reprogramming/replacing the PCM if necessary.
7. How do I locate ignition coil 5 on a 2015 Chevrolet Silverado?
Ignition coil 5 is typically on the fifth cylinder, which is on the driver’s side, second cylinder from the front in the firing order.
8. How much does it cost to repair the P0355 code on a 2015 Chevrolet Silverado?
The cost depends on the issue, but replacing an ignition coil typically costs $50–$150 for the part, plus labor, while wiring repairs or PCM replacements can vary widely.
9. Could a bad spark plug cause the P0355 code on a 2015 Chevrolet Silverado?
Yes, a faulty spark plug in cylinder 5 can cause issues that trigger the P0355 code, as it may affect the ignition coil's performance.
10. Can a failing PCM cause the P0355 code on a 2015 Chevrolet Silverado?
Yes, though less common, a malfunctioning PCM can fail to properly control the ignition coil circuit for cylinder 5, leading to the P0355 code.
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