Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the special heater in the engine for cylinder 8 is not working right. It's like a tiny oven that helps start the engine when it's cold, and it's not heating up correctly.
The P06CC code indicates that the glow plug for cylinder 8 is not functioning as expected. Glow plugs are used in diesel engines to heat the air in the cylinders to help start the engine when it's cold.
The P06CC code is triggered when the Engine Control Module (ECM) detects an incorrect operation of the glow plug in cylinder 8. This could be due to an electrical fault, a faulty glow plug, or an issue with the wiring or connectors.
• Difficulty starting the engine, especially in cold weather
• Engine misfires
• Illuminated check engine light
• Faulty glow plug in cylinder 8
• Wiring issues or poor connections
• Faulty glow plug control module
Glow Plug: A device used in diesel engines to heat the air in the cylinders to aid in starting the engine.
ECM: Engine Control Module, the computer that controls engine functions.
• Use an OBD-II scanner to confirm the code.
• Inspect the glow plug and wiring for cylinder 8.
• Test the glow plug with a multimeter for proper resistance.
• Replace the faulty glow plug.
• Repair or replace damaged wiring or connectors.
• Replace the glow plug control module if necessary.
• OBD-II scanner
• Multimeter
• Socket set
$100 - $300
Moderate
• Ford F-250
• Chevrolet Silverado 2500
• Ram 2500
• Regularly inspect glow plugs and wiring.
• Ensure proper maintenance of the electrical system.
• Use high-quality diesel fuel.
Engine Performance
• Have the vehicle inspected by a professional if you experience starting issues.
• Consider regular maintenance checks to prevent glow plug issues.
Check with your vehicle manufacturer as glow plug issues may be covered under powertrain warranty.
Glow plug issues have been common in diesel engines, especially in colder climates where starting the engine can be more challenging.
Moderate – While the vehicle may still run, it can lead to starting issues and should be addressed to prevent further engine problems.
Operating a vehicle with a malfunctioning glow plug can lead to increased emissions and potential engine damage.
• Cold engine start
• Engine at ambient temperature
The glow plug for cylinder 8 is located on the engine block, typically near the cylinder head.
Q: Can I drive with a P06CC code?
A: You may be able to drive, but it's best to get it fixed soon to avoid starting issues.
Q: How long do glow plugs last?
A: Glow plugs can last around 100,000 miles, but this can vary based on driving conditions and maintenance.
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Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.
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Fitment Required · Vehicle-fitment part
Commonly relevant for misfire, ignition-efficiency, and some drivability-related repairs.
Misfire and ignition-related faults commonly involve spark plugs as part of the repair path.
Check the correct plug type, gap, and engine application for your vehicle.
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Fitment Required · Vehicle-fitment part
Relevant when the fault points toward ignition-coil performance or cylinder-specific ignition issues.
Some ignition faults involve coil performance or cylinder-specific coil problems.
Match the coil to your engine and confirm the failed component before ordering.
View options on AmazonThese parts may be related to this fault category, but a code by itself does not confirm exact fitment or guarantee that replacing a part will solve the problem.