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P0335 Mazda Code - Crankshaft Position Sensor Circuit Malfunction

Quick Answer

The P0335 diagnostic trouble code (DTC) for Mazda vehicles indicates a malfunction in the crankshaft position sensor circuit. Common causes include Faulty crankshaft position sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or debris affecting sensor operation. 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 Mazda indicates Crankshaft Position Sensor Circuit Malfunction.
Common causes
Common causes include Faulty crankshaft position sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or debris affecting sensor operation.
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 06, 2024
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Code P0335 Mazda Description

The P0335 diagnostic trouble code (DTC) for Mazda vehicles indicates a malfunction in the crankshaft position sensor circuit. The crankshaft position sensor is a crucial component of the engine management system as it monitors the position and rotational speed of the crankshaft. This information is essential for the engine control unit (ECU) to accurately adjust ignition timing and fuel injection timing. When the crankshaft position sensor circuit malfunctions, it can lead to various issues affecting the vehicle's performance.

OBDII Code P0335 Mazda - Crankshaft Position Sensor Circuit Malfunction
P0335 Mazda Code - Crankshaft Position Sensor Circuit Malfunction

Common Causes of P0335 Mazda

  1. Faulty crankshaft position sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Corrosion or debris affecting sensor operation
  4. Incorrect sensor installation or alignment
  5. ECU software issues

Symptoms of P0335 Mazda

  1. Engine misfires
  2. Rough idling or stalling
  3. Decreased fuel efficiency
  4. Difficulty starting the engine
  5. Illumination of the check engine light

How to Fix P0335 Mazda

  1. Diagnose the issue by using a scan tool to confirm the P0335 DTC and test the crankshaft position sensor's functionality.
  2. Inspect the sensor, wiring, and connectors for any damage, corrosion, or loose connections. Replace or repair any faulty components.
  3. Clear the DTC and reset the ECU to see if the issue persists.
  4. If the problem continues, consider replacing the crankshaft position sensor with a new, OEM-quality part.
  5. After replacing the sensor, retest the system to ensure proper functionality and clear the DTC.

Cost to Fix P0335 Mazda

The typical repair costs for addressing a P0335 code in a Mazda vehicle can range from $100 to $300, depending on the specific diagnosis and repair required. This estimate includes the cost of a new crankshaft position sensor, any necessary wiring repairs, and labor charges. However, it is essential to note that actual repair costs can vary based on factors such as the vehicle's make and model, the location of the repair shop, and the technician's hourly rates. It is advisable to consult with a reputable auto repair shop for a more accurate cost estimate tailored to your specific situation.

What does this mean?

Tech Notes for P0335 Mazda

Sometimes and in some models, low battery voltage or a weak starter can trigger a Crankshaft Position Sensor code. Before replacing any parts, recharge or replaced battery.

When is the Code Detected?

The crankshaft position sensor (POS) signal is not detected by the Electronic Control Module (ECM) during the first few seconds of engine cranking

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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 P0335 Mazda Code

1. What are common symptoms of OBDII code P0335 in a Mazda?

- Common symptoms include engine misfires, rough idling, stalling, difficulty starting the engine, and a decrease in overall performance.

2. What causes the OBDII code P0335 in a Mazda?

- The most common cause of P0335 in a Mazda is a faulty crankshaft position sensor, wiring issues related to the sensor, or a problem with the sensor's circuit.

3. How can I diagnose the OBDII code P0335 in my Mazda?

- Diagnosis involves using an OBDII scanner to retrieve the code, testing the crankshaft position sensor, inspecting the sensor's wiring and connectors, and checking for any related issues in the circuit.

4. 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, as it is a critical component for engine operation.

5. Are there any DIY tips for repairing the OBDII code P0335 in a Mazda?

- DIY tips include checking the sensor's wiring for any damage, ensuring proper sensor alignment, and following the manufacturer's guidelines for sensor replacement.

6. Will driving with the OBDII code P0335 in a Mazda cause further damage?

- Continuing to drive with P0335 can lead to more severe engine issues, such as potential damage to the catalytic converter or other engine components.

7. How much does it typically cost to repair the OBDII code P0335 in a Mazda?

- The cost of repairing P0335 can vary depending on the specific issue, but it may range from $100 to $300 for parts and labor.

8. Can a crankshaft position sensor malfunction cause other OBDII codes to appear in a Mazda?

- Yes, a malfunctioning crankshaft position sensor can trigger other related codes, such as P0336 (Crankshaft Position Sensor 'A' Circuit Range/Performance) or P0337 (Crankshaft Position Sensor 'A' Circuit Low Input).

9. Is it safe to drive my Mazda with the OBDII code P0335 if the engine seems to be running fine?

- It is not recommended to drive with P0335 even if the engine appears to be running fine, as the issue can worsen over time and potentially lead to more significant problems.

10. Can a mechanic reset the OBDII code P0335 in my Mazda without addressing the underlying issue?

- A mechanic can clear the code, but it will likely reappear if the root cause, such as a faulty crankshaft position sensor, is not properly diagnosed and repaired.

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