Engine-CodesGMC – P0336 2014 GMC Sierra

P0336 2014 GMC Sierra Code - Crankshaft Position Sensor Performance

Quick Answer

The P0336 diagnostic trouble code indicates that there is a performance issue with the crankshaft position sensor in a 2014 GMC Sierra. Common causes include Faulty crankshaft position sensor, Damaged wiring or connectors related to the sensor, Engine timing belt or chain 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
P0336 2014 GMC Sierra indicates Crankshaft Position Sensor Performance.
Common causes
Common causes include Faulty crankshaft position sensor, Damaged wiring or connectors related to the sensor, Engine timing belt or chain 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 Aug 18, 2024
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Code P0336 2014 GMC Sierra Description

The P0336 diagnostic trouble code indicates that there is a performance issue with the crankshaft position sensor in a 2014 GMC Sierra. The crankshaft position sensor is a vital component of the vehicle's engine management system, as it detects the position of the crankshaft and sends signals to the engine control module (ECM) to determine ignition timing and fuel injection. When the sensor fails or malfunctions, it can lead to a variety of performance issues and potentially cause the vehicle to stall or not start at all.

OBDII Code P0336 2014 GMC Sierra - Crankshaft Position Sensor Performance
P0336 2014 GMC Sierra Code - Crankshaft Position Sensor Performance

Common Causes of P0336 2014 GMC Sierra

  1. Faulty crankshaft position sensor
  2. Damaged wiring or connectors related to the sensor
  3. Engine timing belt or chain issues
  4. ECM software or hardware problems
  5. Engine mechanical problems affecting the crankshaft

Symptoms of P0336 2014 GMC Sierra

  1. Engine misfires or runs rough
  2. Difficulty starting the engine
  3. Reduced fuel efficiency
  4. Engine stalling
  5. Illumination of the check engine light

How to Fix P0336 2014 GMC Sierra

  1. Diagnose the issue by using a scan tool to confirm the P0336 code and check the sensor's signals.
  2. Inspect the wiring and connectors for any damage or corrosion, repairing or replacing as necessary.
  3. Test the sensor's resistance and voltage output to determine if it is faulty.
  4. Replace the crankshaft position sensor if it fails testing, ensuring proper installation and alignment.
  5. Clear the trouble code and perform a test drive to confirm that the issue has been resolved.

Cost to Fix P0336 2014 GMC Sierra

The typical repair costs for addressing a P0336 code can vary depending on the extent of the issue and the specific parts needed for repair. In general, replacing a crankshaft position sensor can range from $100 to $250, including parts and labor. Additional costs may apply if there are other underlying issues that need to be addressed. It is recommended to consult with a trusted auto repair shop to obtain an accurate estimate based on the specific circumstances of the vehicle.

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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.

Frequently Asked Questions about P0336 2014 GMC Sierra Code

What does the OBDII code P0336 mean on a 2014 GMC Sierra?

Code P0336 indicates an issue with the crankshaft position sensor's performance or circuit, which monitors the crankshaft's position and rotational speed.

What are the symptoms of code P0336 on a 2014 GMC Sierra?

Symptoms may include difficulty starting the engine, rough idling, engine stalling, misfires, reduced power, or the Check Engine Light being illuminated.

What causes the P0336 code on a 2014 GMC Sierra?

Common causes include a faulty crankshaft position sensor, damaged wiring or connectors, a misaligned or damaged reluctor ring, or issues with the engine’s timing.

Can I drive my 2014 GMC Sierra with a P0336 code?

Driving with a P0336 code is not recommended as it may lead to engine stalling, poor performance, or further damage to the vehicle's components.

How do I diagnose the P0336 code on my 2014 GMC Sierra?

Use an OBDII scanner to confirm the code, inspect the crankshaft position sensor and its wiring for damage, and check the reluctor ring for alignment or wear.

How do I fix the P0336 code on a 2014 GMC Sierra?

Common fixes include replacing the crankshaft position sensor, repairing or replacing damaged wiring or connectors, or addressing issues with the reluctor ring.

What tools are needed to repair a P0336 code on a 2014 GMC Sierra?

You may need an OBDII scanner, multimeter, basic hand tools, and potentially a replacement crankshaft position sensor.

How much does it cost to repair a P0336 code on a 2014 GMC Sierra?

Costs vary but typically range from $100 to $300, depending on whether the crankshaft position sensor or wiring needs replacement.

Can a failing crankshaft position sensor cause other problems?

Yes, a failing sensor can lead to engine misfires, poor fuel economy, increased emissions, or even complete engine failure if not addressed.

Is it necessary to reprogram the ECM after replacing the crankshaft position sensor?

In some cases, a relearn procedure may be required to synchronize the new sensor with the engine control module. Check the repair manual or consult a professional mechanic.

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