Engine-Codes.com
Engine-Codes – GMC – P2618 2016 GMC Sierra

P2618 2016 GMC Sierra Code - Crankshaft Position Signal Output Circuit Low Voltage

Quick Answer

The diagnostic trouble code P2618 for a 2016 GMC Sierra refers to a "Crankshaft Position Signal Output Circuit Low Voltage." This code indicates that the engine control module (ECM) has detected a low voltage signal from the crankshaft position sensor. Common causes include Faulty crankshaft position sensor, Damaged wiring or connectors in the crankshaft position sensor circuit, Malfunctioning ECM. 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
P2618 2016 GMC Sierra indicates Crankshaft Position Signal Output Circuit Low Voltage.
Common causes
Common causes include Faulty crankshaft position sensor, Damaged wiring or connectors in the crankshaft position sensor circuit, Malfunctioning ECM.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 17, 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 P2618 2016 GMC Sierra Description

The diagnostic trouble code P2618 for a 2016 GMC Sierra refers to a "Crankshaft Position Signal Output Circuit Low Voltage." This code indicates that the engine control module (ECM) has detected a low voltage signal from the crankshaft position sensor. The crankshaft position sensor is a vital component in the engine management system, as it provides the ECM with information about the position and speed of the crankshaft. This information is crucial for proper fuel injection timing, ignition timing, and overall engine performance.

OBDII Code P2618 2016 GMC Sierra - Crankshaft Position Signal Output Circuit Low Voltage
P2618 2016 GMC Sierra Code - Crankshaft Position Signal Output Circuit Low Voltage

Common Causes of P2618 2016 GMC Sierra

  1. Faulty crankshaft position sensor
  2. Damaged wiring or connectors in the crankshaft position sensor circuit
  3. Malfunctioning ECM
  4. Poor electrical connection
  5. Engine overheating

Symptoms of P2618 2016 GMC Sierra

  1. Engine misfires
  2. Rough idling
  3. Reduced engine performance
  4. Stalling
  5. Difficulty starting the vehicle

How to Fix P2618 2016 GMC Sierra

  1. Begin by conducting a thorough inspection of the crankshaft position sensor, wiring, and connectors for any visible damage or corrosion.
  2. Test the crankshaft position sensor using a multimeter to check for proper voltage output.
  3. If the sensor is faulty, replace it with a new one following the manufacturer's guidelines.
  4. Check and repair any damaged wiring or connectors in the crankshaft position sensor circuit.
  5. Clear the diagnostic trouble codes from the ECM and perform a test drive to ensure the issue has been resolved.

Cost to Fix P2618 2016 GMC Sierra

The typical repair costs for addressing the P2618 code on a 2016 GMC Sierra can vary depending on the specific cause of the issue. In general, replacing a faulty crankshaft position sensor can cost between $100 and $300, including parts and labor. However, if additional repairs or diagnostic work are needed, the total cost may increase. It is advisable to consult with a qualified mechanic or auto repair shop to obtain a more accurate estimate based on the specific circumstances of the vehicle. Keep in mind that labor rates can vary between different locations, shops, and vehicle types.

Need more information about the P2618 2016 GMC Sierra code?

Need more information on how to fix the P2618 2016 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2618 2016 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 P2618 2016 GMC Sierra Code

1. What are common symptoms of OBDII code P2618 in a 2016 GMC Sierra?

The common symptoms of OBDII code P2618 in a 2016 GMC Sierra include engine stalling, rough idling, and difficulty starting the vehicle.

2. What can cause the OBDII code P2618 in a 2016 GMC Sierra?

The P2618 code in a 2016 GMC Sierra is typically caused by issues such as a faulty crankshaft position sensor, damaged wiring or connectors in the crankshaft position signal circuit, or a malfunctioning powertrain control module (PCM).

3. How serious is the OBDII code P2618 in a 2016 GMC Sierra?

The P2618 code should be addressed promptly to prevent potential engine performance issues or further damage. Ignoring this code may lead to engine misfires, poor fuel efficiency, or even engine failure in extreme cases.

4. Can I drive my 2016 GMC Sierra with the OBDII code P2618?

It is not recommended to drive your 2016 GMC Sierra with the P2618 code present, as it may cause engine performance issues and potentially lead to further damage. It is best to have the issue diagnosed and repaired before driving the vehicle.

5. How can I diagnose and repair the OBDII code P2618 in my 2016 GMC Sierra?

To diagnose and repair the P2618 code in your 2016 GMC Sierra, you should start by inspecting the crankshaft position sensor, checking the wiring and connectors for any damage, and testing the PCM for proper functioning. Once the issue is identified, you can replace the faulty components or repair any damaged wiring.

6. Will resetting the OBDII code P2618 in my 2016 GMC Sierra fix the issue?

Simply resetting the code without addressing the underlying problem will not fix the issue. It is important to diagnose the root cause of the P2618 code and perform the necessary repairs to prevent the code from reoccurring.

7. How much does it cost to repair the OBDII code P2618 in a 2016 GMC Sierra?

The cost of repairing the P2618 code in a 2016 GMC Sierra can vary depending on the specific cause of the issue, the parts needed for repair, and labor costs. It is recommended to consult a professional mechanic for an accurate estimate.

8. Can a DIY enthusiast fix the OBDII code P2618 in a 2016 GMC Sierra?

While some DIY enthusiasts may have the skills to diagnose and repair the P2618 code in a 2016 GMC Sierra, it is recommended to seek professional help, especially if you are not experienced in diagnosing and repairing automotive electrical issues.

9. How long does it take to repair the OBDII code P2618 in a 2016 GMC Sierra?

The time required to repair the P2618 code in a 2016 GMC Sierra can vary depending on the complexity of the issue and the availability of parts. In general, it may take a few hours to a full day to diagnose and repair the problem.

10. Can the OBDII code P2618 in a 2016 GMC Sierra cause permanent damage if not addressed?

If left unaddressed, the P2618 code in a 2016 GMC Sierra can potentially cause permanent damage to the engine or other related components. It is crucial to address the issue promptly to prevent further damage and costly repairs.

Discuss the causes and fixes for P2618 2016 GMC Sierra OBDII Code

Submit a New Comment

Code P2618 2016 GMC Sierra comments

No comments found for this page.