Engine-CodesGMC – P01D6 2014 GMC Sierra

P01D6 2014 GMC Sierra Code - Cylinder 6 Injection Timing Advanced

Quick Answer

The diagnostic trouble code P01D6 for a 2014 GMC Sierra indicates that there is an issue with the injection timing on cylinder 6 of the engine. Common causes include Faulty fuel injector, Engine control module (ECM) malfunction, Camshaft or crankshaft position sensor issues. 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
P01D6 2014 GMC Sierra indicates Cylinder 6 Injection Timing Advanced.
Common causes
Common causes include Faulty fuel injector, Engine control module (ECM) malfunction, Camshaft or crankshaft position sensor issues.
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.
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code P01D6 2014 GMC Sierra Description

The diagnostic trouble code P01D6 for a 2014 GMC Sierra indicates that there is an issue with the injection timing on cylinder 6 of the engine. Injection timing refers to the precise moment when fuel is injected into the combustion chamber. When the injection timing is advanced, it means that the fuel is being injected earlier than it should be, which can lead to a variety of performance issues.

OBDII Code P01D6 2014 GMC Sierra - Cylinder 6 Injection Timing Advanced
P01D6 2014 GMC Sierra Code - Cylinder 6 Injection Timing Advanced

Common Causes of P01D6 2014 GMC Sierra

  1. Faulty fuel injector
  2. Engine control module (ECM) malfunction
  3. Camshaft or crankshaft position sensor issues
  4. Timing chain or belt problems
  5. Wiring or connection issues

Symptoms of P01D6 2014 GMC Sierra

  1. Rough idling
  2. Decreased fuel efficiency
  3. Loss of power
  4. Engine misfires
  5. Increased emissions

How to Fix P01D6 2014 GMC Sierra

  1. Diagnose the specific cause of the advanced injection timing on cylinder 6 using a scan tool to pinpoint the exact issue.
  2. Inspect the fuel injector on cylinder 6 for any signs of damage or clogging and replace if necessary.
  3. Check the ECM for any fault codes or malfunctions and reprogram or replace as needed.
  4. Inspect the camshaft and crankshaft position sensors for proper operation and replace if faulty.
  5. Verify the timing chain or belt for proper alignment and tension, replacing if necessary.

Cost to Fix P01D6 2014 GMC Sierra

The typical repair costs for addressing a cylinder 6 injection timing advanced issue on a 2014 GMC Sierra can vary depending on the specific cause of the problem. In general, the cost of parts such as a fuel injector, ECM, sensors, or timing components can range from $200 to $800. Labor costs at auto repair shops typically range from $80 to $150 per hour. Therefore, the total repair cost could range from $300 to $1500 or more, depending on the extent of the repairs needed. It's recommended to obtain a detailed estimate from a qualified mechanic to get an accurate cost assessment based on your specific vehicle and location.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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