P0335 GMC Code - Crankshaft Position Sensor Circuit
Quick Answer
The crankshaft position sensor is an internally magnetic biased digital output integrated circuit sensing device. Common causes include Faulty Crankshaft Position Sensor, Crankshaft Position Sensor harness is open or shorted, Crankshaft Position Sensor circuit poor electrical connection. 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 GMC indicates Crankshaft Position Sensor Circuit.
- Common causes
- Common causes include Faulty Crankshaft Position Sensor, Crankshaft Position Sensor harness is open or shorted, Crankshaft Position Sensor circuit poor electrical connection.
- 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.
Code P0335 GMC Description
The ECM also has a dedicated replicated crankshaft position sensor signal output circuit that may be used as an input signal to other modules for monitoring engine RPM.
The Diagnostic Trouble Code (DTC) will be set when no signal is sent from the Crankshaft Position Sensor to the ECM for greater than 1s.
What are the Possible Causes of the DTC P0335 GMC?
- Faulty Crankshaft Position Sensor
- Crankshaft Position Sensor harness is open or shorted
- Crankshaft Position Sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0335 GMC?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0335 GMC code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P0335 GMC code?
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Need Help with the Code?
Get the P0335 GMC code diagnosed by a professional: Find a repair shop in your area
Information for Specific GMC Models
- P0335 2014 GMC Sierra — Crankshaft Position Sensor Circuit
- P0335 2015 GMC Sierra — Crankshaft Position Sensor Circuit
- P0335 2016 GMC Sierra — Crankshaft Position Sensor Circuit
- P0335 2017 GMC Sierra — Crankshaft Position Sensor Circuit
- P0335 2018 GMC Sierra — Crankshaft Position Sensor Circuit
Frequently Asked Questions about P0335 GMC Code
1. What are the common symptoms of OBDII code P0335 in a GMC vehicle?
- Common symptoms include engine misfires, rough idling, stalling, difficulty starting the engine, and a decrease in fuel efficiency.
2. What does OBDII code P0335 indicate in a GMC vehicle?
- OBDII code P0335 indicates a problem with the crankshaft position sensor circuit in the vehicle.
3. What are the possible causes of OBDII code P0335 in a GMC vehicle?
- Possible causes include a faulty crankshaft position sensor, damaged sensor wiring, sensor connector issues, or a malfunctioning engine control module (ECM).
4. How can I diagnose the cause of OBDII code P0335 in my GMC vehicle?
- Diagnosing the issue involves checking the crankshaft position sensor for proper operation, inspecting the sensor wiring for damage, and testing the sensor circuit for continuity.
5. Can a faulty crankshaft position sensor be repaired, or does it need to be replaced?
- In most cases, a faulty crankshaft position sensor will need to be replaced rather than repaired to resolve OBDII code P0335.
6. Are there any tips for repairing OBDII code P0335 in a GMC vehicle?
- Ensure the sensor wiring is securely connected, use a multimeter to test the sensor's resistance, and consider consulting a professional mechanic for accurate diagnosis and repair.
7. How urgent is it to address OBDII code P0335 in a GMC vehicle?
- While the vehicle may still be operable with this code, it is important to address it promptly to prevent potential engine performance issues and further damage.
8. Can OBDII code P0335 cause permanent damage to the engine if left unresolved?
- Ignoring OBDII code P0335 can potentially lead to engine misfires, poor performance, and other issues that may cause damage over time if not addressed.
9. Is it safe to continue driving my GMC vehicle with OBDII code P0335 present?
- It is generally not recommended to drive the vehicle with OBDII code P0335 present, as it can lead to performance issues and potentially unsafe driving conditions.
10. How much does it typically cost to repair OBDII code P0335 in a GMC vehicle?
- The cost of repairing OBDII code P0335 can vary depending on the specific issue, but it may range from $100 to $300 for parts and labor.
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