P06C5 2018 Chevrolet Silverado Code - Cylinder 1 Glow Plug Incorrect
Quick Answer
n the diesel engine, air alone is compressed in the cylinder. Common causes include Faulty cylinder #1 glow plug, Cylinder #1 glow plug harness is open or shorted, Cylinder #1 glow plug 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
- P06C5 2018 Chevrolet Silverado indicates Cylinder 1 Glow Plug Incorrect.
- Common causes
- Common causes include Faulty cylinder #1 glow plug, Cylinder #1 glow plug harness is open or shorted, Cylinder #1 glow plug 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 P06C5 2018 Chevrolet Silverado Description
Control of the glow plugs is accomplished by the glow plug control module. The nominal voltage for the glow plugs is 5.4 volts. When the ignition is turned On, the glow plug control module applies 7.2 V for 2.2 s, then 5.7 V for 0.8 s, and then 5.4 V until 1200°C (2192°F) is reached. The maximum voltage of the system is 10 V. While the engine is running the voltage will vary between 4.7 - 10 V when in closed loop control to maintain a glow plug temperature that ranges from 1150° - 1180°C (2102° - 2156°F). The temperature and the power consumption are controlled between the Engine Control Module (ECM) and the glow plug control module within a wide range to suit the engine's pre-heating requirements. Each glow plug is energized individually. This capability yields more optimum heat times for the glow plugs, thus pre - glow times can be kept to a minimum for a short wait to crank times and maximum glow plug durability. A Diagnostic Trouble Code (DTC) will be set if the Glow Plug resistance is not within a calibrated range.
What are the Possible Causes of the DTC P06C5 2018 Chevrolet Silverado?
- Faulty cylinder #1 glow plug
- Cylinder #1 glow plug harness is open or shorted
- Cylinder #1 glow plug circuit poor electrical connection
- Faulty Glow Plug Control Module
How to Fix the DTC P06C5 2018 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 P06C5 2018 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 P06C5 2018 Chevrolet Silverado Code
1. What does the OBDII code P06C5 mean on a 2018 Chevrolet Silverado?
P06C5 indicates "Cylinder 1 Glow Plug Incorrect," meaning there is a problem with the glow plug system in cylinder 1, such as an incorrect value or malfunction.
2. What are the symptoms of code P06C5 in a 2018 Chevrolet Silverado?
Common symptoms include difficulty starting the engine, especially in cold weather, rough idling, reduced fuel efficiency, or the check engine light illuminating.
3. What causes the P06C5 code on a 2018 Chevrolet Silverado?
Causes may include a faulty glow plug, damaged wiring or connectors in the glow plug circuit, a malfunctioning glow plug control module, or an ECM (engine control module) issue.
4. Can I still drive my 2018 Chevrolet Silverado with a P06C5 code?
You can drive the vehicle, but it may experience hard starting or reduced performance, especially in cold temperatures, and prolonged driving without repairs could lead to additional engine issues.
5. How do I diagnose the P06C5 code on my 2018 Chevrolet Silverado?
Diagnosis involves inspecting the glow plug and its wiring for damage, testing the glow plug's resistance with a multimeter, and checking the glow plug control module for proper operation.
6. How do I fix the P06C5 code on a 2018 Chevrolet Silverado?
Fixes include replacing the faulty glow plug, repairing or replacing damaged wiring or connectors, or replacing the glow plug control module if necessary.
7. How much does it cost to repair the P06C5 code on a 2018 Chevrolet Silverado?
Repair costs vary but typically range from $100 to $300 for parts and labor, depending on whether the glow plug, wiring, or control module needs replacement.
8. Can a bad glow plug cause engine damage in a 2018 Chevrolet Silverado?
A bad glow plug alone may not cause immediate engine damage, but ignoring the issue could lead to harder starts and additional strain on the engine, potentially causing more significant issues over time.
9. What tools are needed to troubleshoot the P06C5 code on a 2018 Chevrolet Silverado?
Tools required include an OBDII scanner, a multimeter for testing electrical resistance, and basic hand tools for accessing and replacing components.
10. Does the P06C5 code only occur in cold weather?
While the P06C5 code is more likely to cause noticeable symptoms in cold weather due to the glow plug's role in aiding cold starts, the code can be triggered at any time if a fault is detected.
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