P066E 2018 Chevrolet Silverado Code - Cylinder 3 Glow Plug Control Circuit Low Voltage
Quick Answer
The P066E diagnostic trouble code (DTC) specifically relates to the Cylinder 3 Glow Plug Control Circuit Low Voltage in a 2018 Chevrolet Silverado. Common causes include Faulty glow plug in cylinder 3, Wiring issues or a poor connection in the glow plug control circuit, A malfunctioning glow plug control module. 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
- P066E 2018 Chevrolet Silverado indicates Cylinder 3 Glow Plug Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty glow plug in cylinder 3, Wiring issues or a poor connection in the glow plug control circuit, A malfunctioning glow plug control module.
- 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.
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Code P066E 2018 Chevrolet Silverado Description
The P066E diagnostic trouble code (DTC) specifically relates to the Cylinder 3 Glow Plug Control Circuit Low Voltage in a 2018 Chevrolet Silverado. Glow plugs are essential components in diesel engines, especially during cold starts, as they heat up the combustion chamber to facilitate easier ignition of the fuel. In this case, the control circuit for the glow plug in cylinder 3 is experiencing low voltage, which can lead to issues with starting the engine, reduced performance, and potential long-term damage if not addressed promptly.
Common Causes of P066E 2018 Chevrolet Silverado
- Faulty glow plug in cylinder 3.
- Wiring issues or a poor connection in the glow plug control circuit.
- A malfunctioning glow plug control module.
- Corrosion or damage to the electrical connections.
- Issues with the vehicle's battery or charging system affecting voltage delivery.
Symptoms of P066E 2018 Chevrolet Silverado
- Difficulty starting the engine, especially in cold weather.
- Rough idling or misfiring.
- Decreased fuel efficiency.
- Check engine light illuminated on the dashboard.
- Reduced engine performance.
How to Fix P066E 2018 Chevrolet Silverado
- Begin by diagnosing the specific cause of the low voltage issue, which may involve testing the glow plug, checking the wiring and connections, and inspecting the glow plug control module.
- Replace the faulty glow plug in cylinder 3 if necessary.
- Repair or replace any damaged wiring or connections in the glow plug control circuit.
- Test the vehicle to ensure that the glow plug is receiving the correct voltage and that the issue has been resolved.
- Clear the DTC and reset the vehicle's computer to ensure the code does not reappear.
Cost to Fix P066E 2018 Chevrolet Silverado
The typical repair costs for addressing a Cylinder 3 Glow Plug Control Circuit Low Voltage issue can vary depending on the specific cause of the problem and the extent of the repairs needed. In general, replacing a glow plug can cost between $50 and $150 per plug, while addressing wiring or control module issues may increase the total cost. Labor rates at auto repair shops can range from $80 to $150 per hour, so the total repair bill may vary based on the location, vehicle make and model, and the expertise of the technician. It's advisable to consult with a trusted mechanic to get a more accurate estimate based on the specific circumstances.
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