Engine-CodesGMC – P0335 2015 GMC Sierra

P0335 2015 GMC Sierra Code - Crankshaft Position Sensor Circuit

Quick Answer

The P0335 code for a 2015 GMC Sierra indicates a problem with the crankshaft position sensor circuit. Common causes include Faulty crankshaft position sensor, Damaged sensor wiring harness, Poor connection between sensor and ECU. 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
P0335 2015 GMC Sierra indicates Crankshaft Position Sensor Circuit.
Common causes
Common causes include Faulty crankshaft position sensor, Damaged sensor wiring harness, Poor connection between sensor and ECU.
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 P0335 2015 GMC Sierra Description

The P0335 code for a 2015 GMC Sierra indicates a problem with the crankshaft position sensor circuit. The crankshaft position sensor is a vital component in the engine management system, as it monitors the position and rotational speed of the crankshaft. This information is crucial for the engine control unit (ECU) to determine the ignition timing and fuel injection timing.

OBDII Code P0335 2015 GMC Sierra - Crankshaft Position Sensor Circuit
P0335 2015 GMC Sierra Code - Crankshaft Position Sensor Circuit

Common Causes of P0335 2015 GMC Sierra

  1. Faulty crankshaft position sensor
  2. Damaged sensor wiring harness
  3. Poor connection between sensor and ECU
  4. Corrosion or debris affecting sensor performance
  5. ECU malfunction affecting sensor readings

Symptoms of P0335 2015 GMC Sierra

  1. Engine misfires
  2. Difficulty starting the engine
  3. Stalling while driving
  4. Decreased fuel efficiency
  5. Lack of power during acceleration

How to Fix P0335 2015 GMC Sierra

  1. Begin by locating the crankshaft position sensor on the engine block.
  2. Inspect the sensor wiring harness for any signs of damage or corrosion.
  3. Check the connection between the sensor and the ECU for any loose or faulty connections.
  4. If the sensor is faulty, replace it with a new one following manufacturer guidelines.
  5. Clear the diagnostic trouble code from the ECU memory and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0335 2015 GMC Sierra

The typical repair costs for addressing a P0335 code on a 2015 GMC Sierra can range from $100 to $300, depending on the specific cause of the issue and the cost of parts. This estimate includes both parts and labor. However, it's important to note that actual costs can vary based on factors such as location, vehicle make and model, and engine type. Additionally, diagnostic time and labor rates at auto repair shops can range from $80 to $150 per hour, with rates potentially higher at dealerships or in metropolitan areas. It's recommended to obtain local quotes for a more accurate cost estimate.

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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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