Engine-CodesGMC – P0011 2018 GMC Sierra

P0011 2018 GMC Sierra Code - Intake Camshaft Position System Performance

Quick Answer

The P0011 diagnostic trouble code (DTC) for a 2018 GMC Sierra indicates an issue with the Intake Camshaft Position System Performance. Common causes include Camshaft Position Sensor Failure: A faulty camshaft position sensor can lead to incorrect readings and trigger the P0011 code, Timing Chain/Belt Issues: Problems with the timing chain or belt can affect the camshaft's timing, causing performance issues, VVT Solenoid Malfunction: A malfunctioning variable valve timing solenoid can disrupt the camshaft's operation. 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
P0011 2018 GMC Sierra indicates Intake Camshaft Position System Performance.
Common causes
Common causes include Camshaft Position Sensor Failure: A faulty camshaft position sensor can lead to incorrect readings and trigger the P0011 code, Timing Chain/Belt Issues: Problems with the timing chain or belt can affect the camshaft's timing, causing performance issues, VVT Solenoid Malfunction: A malfunctioning variable valve timing solenoid can disrupt the camshaft's operation.
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 12, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0011 2018 GMC Sierra Description

The P0011 diagnostic trouble code (DTC) for a 2018 GMC Sierra indicates an issue with the Intake Camshaft Position System Performance. This code is specifically related to the intake camshaft on the engine and its position in relation to the crankshaft. The camshaft plays a crucial role in controlling the opening and closing of the intake valves, which affects the engine's air intake and combustion process.

OBDII Code P0011 2018 GMC Sierra - Intake Camshaft Position System Performance
P0011 2018 GMC Sierra Code - Intake Camshaft Position System Performance

Common Causes of P0011 2018 GMC Sierra

  1. Camshaft Position Sensor Failure: A faulty camshaft position sensor can lead to incorrect readings and trigger the P0011 code.
  2. Timing Chain/Belt Issues: Problems with the timing chain or belt can affect the camshaft's timing, causing performance issues.
  3. VVT Solenoid Malfunction: A malfunctioning variable valve timing solenoid can disrupt the camshaft's operation.
  4. Camshaft Phaser Problems: Issues with the camshaft phaser, which controls camshaft timing, can lead to the P0011 code.

Symptoms of P0011 2018 GMC Sierra

  1. Check Engine Light: The most obvious symptom of this code is the illumination of the check engine light on the dashboard.
  2. Poor Fuel Economy: A decrease in fuel efficiency due to improper air-fuel mixture caused by the camshaft position issue.
  3. Engine Misfires: Misfires can occur as a result of incorrect camshaft position, leading to a rough running engine.
  4. Rough Idling: The engine may idle erratically or inconsistently due to timing issues with the camshaft.
  5. Loss of Power: The vehicle may experience a decrease in power output, especially during acceleration.

How to Fix P0011 2018 GMC Sierra

  1. Diagnose: Use a scan tool to confirm the P0011 code and perform additional tests to pinpoint the exact cause of the issue.
  2. Replace Camshaft Position Sensor: If the sensor is faulty, replace it with a new one to ensure accurate readings.
  3. Check Timing Components: Inspect the timing chain or belt for wear or damage and replace if necessary.
  4. Replace VVT Solenoid: If the variable valve timing solenoid is malfunctioning, replace it to restore proper operation.
  5. Repair or Replace Camshaft Phaser: If the camshaft phaser is the culprit, repair or replace it to address the timing issues.

Cost to Fix P0011 2018 GMC Sierra

The cost of repairing the Intake Camshaft Position System Performance issue can vary depending on the specific cause of the problem and the labor rates in your area. Typically, parts for this repair can range from $100 to $500, with labor costs adding another $200 to $500. Overall, you can expect to pay anywhere from $300 to $1000 for this repair. It's important to get a detailed estimate from a trusted mechanic to understand the total cost for your specific situation.

Need more information about the P0011 2018 GMC Sierra code?

Need more information on how to fix the P0011 2018 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0011 2018 GMC Sierra code diagnosed by a professional: Find a repair shop in your area

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.

Frequently Asked Questions about P0011 2018 GMC Sierra Code

No Frequently Asked Questions about P0011 2018 GMC Sierra Code found.

Discuss the causes and fixes for P0011 2018 GMC Sierra OBDII Code

Code P0011 2018 GMC Sierra comments

No comments found for this page.