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.
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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.
Common Causes of P0335 2015 GMC Sierra
- Faulty crankshaft position sensor
- Damaged sensor wiring harness
- Poor connection between sensor and ECU
- Corrosion or debris affecting sensor performance
- ECU malfunction affecting sensor readings
Symptoms of P0335 2015 GMC Sierra
- Engine misfires
- Difficulty starting the engine
- Stalling while driving
- Decreased fuel efficiency
- Lack of power during acceleration
How to Fix P0335 2015 GMC Sierra
- Begin by locating the crankshaft position sensor on the engine block.
- Inspect the sensor wiring harness for any signs of damage or corrosion.
- Check the connection between the sensor and the ECU for any loose or faulty connections.
- If the sensor is faulty, replace it with a new one following manufacturer guidelines.
- 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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