P068D 2015 Chevrolet Silverado Code - Cylinder 7 Glow Plug Control Circuit High Voltage
Quick Answer
The P068D diagnostic trouble code (DTC) in a 2015 Chevrolet Silverado indicates an issue with the cylinder 7 glow plug control circuit, specifically detecting high voltage. Common causes include Faulty glow plug in cylinder 7, Damaged glow plug control module, Wiring issues such as shorts or open circuits. 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
- P068D 2015 Chevrolet Silverado indicates Cylinder 7 Glow Plug Control Circuit High Voltage.
- Common causes
- Common causes include Faulty glow plug in cylinder 7, Damaged glow plug control module, Wiring issues such as shorts or open circuits.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P068D 2015 Chevrolet Silverado Description
The P068D diagnostic trouble code (DTC) in a 2015 Chevrolet Silverado indicates an issue with the cylinder 7 glow plug control circuit, specifically detecting high voltage. Glow plugs are essential components in diesel engines, aiding in cold starting by heating the combustion chamber. When the engine control module (ECM) detects high voltage in the glow plug control circuit of cylinder 7, it signifies a malfunction that could impact the vehicle's performance.
Common Causes of P068D 2015 Chevrolet Silverado
- Faulty glow plug in cylinder 7
- Damaged glow plug control module
- Wiring issues such as shorts or open circuits
- Malfunctioning ECM
- Corrosion or poor connections in the glow plug circuit
Symptoms of P068D 2015 Chevrolet Silverado
- Hard starting or extended cranking time
- Rough idling or misfires
- Decreased fuel efficiency
- Illumination of the check engine light
- Increased emissions
How to Fix P068D 2015 Chevrolet Silverado
- Diagnose the specific cause of the high voltage in the cylinder 7 glow plug control circuit using a diagnostic scanner.
- Inspect the glow plug in cylinder 7 for proper operation and replace if necessary.
- Check the glow plug control module for any damage or malfunctions and replace if needed.
- Inspect the wiring harness for any shorts, open circuits, or corrosion, and repair or replace as necessary.
- Clear the DTC and perform a test drive to ensure the issue has been resolved.
Cost to Fix P068D 2015 Chevrolet Silverado
The typical repair costs for addressing a P068D code in a 2015 Chevrolet Silverado can vary depending on the specific cause of the issue. Replacement glow plugs can cost between $20 to $50 each, while a glow plug control module may range from $100 to $200. Labor costs can vary between $100 to $300, depending on the shop's hourly rates and the complexity of the repair. It's advisable to consult with a trusted mechanic or auto repair shop for a more accurate cost estimate based on your vehicle's specific needs.
Need more information about the P068D 2015 Chevrolet Silverado code?
Need more information on how to fix the P068D 2015 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P068D 2015 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P068D 2015 Chevrolet Silverado Code
No Frequently Asked Questions about P068D 2015 Chevrolet Silverado Code found.
Discuss the causes and fixes for P068D 2015 Chevrolet Silverado OBDII Code
Code P068D 2015 Chevrolet Silverado comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.